{
  "data": {
    "a": {
      "slug": "pipecat",
      "name": "Pipecat",
      "vendor": "Daily",
      "vendorUrl": "https://www.pipecat.ai/",
      "kind": "framework",
      "category": "voice-agents",
      "summary": "Pipecat is Daily's open-source Python framework for real-time voice and multimodal agents, built as pipelines of transport, speech-to-text, LLM and text-to-speech services, with client SDKs and optional hosting on Pipecat Cloud.",
      "url": "https://www.anchorterminal.com/tools/pipecat",
      "markdownUrl": "https://www.anchorterminal.com/tools/pipecat.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/pipecat.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/pipecat.json",
      "repo": "https://github.com/pipecat-ai/pipecat",
      "license": "BSD-2-Clause for the framework. Pipecat Cloud is a hosted service under Daily's terms of service",
      "transports": [],
      "packages": [
        {
          "registry": "pypi",
          "name": "pipecat-ai"
        },
        {
          "registry": "npm",
          "name": "@pipecat-ai/client-js"
        }
      ],
      "auth": "none",
      "authNotes": "The framework has no account or key of its own and runs in the developer's process. Each service takes its provider's key, such as `DEEPGRAM_API_KEY` or `CARTESIA_API_KEY`, passed in code. Pipecat Cloud uses public and private API keys as bearer tokens, CLI login and email with a one-time code for the dashboard.",
      "pricing": "free",
      "pricingNotes": "Free under BSD-2-Clause, with no signup. The developer pays each model, speech and transport provider. Pipecat Cloud, if used, bills from $0.01 per active agent minute for agent-1x, with Daily PSTN at $0.018 a minute and 1:1 Daily WebRTC voice free (https://www.daily.co/pricing/pipecat-cloud/, read 17 October 2026).",
      "priceSummary": "Free · OSS",
      "where": "library",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the framework source, the docs or the Pipecat Cloud pricing page (checked 17 October 2026).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 16314,
        "npmWeekly": 97617,
        "pypiWeekly": 302047,
        "asOf": "2026-10-17"
      },
      "docsUrl": "https://docs.pipecat.ai",
      "llmsTxt": "https://docs.pipecat.ai/llms.txt",
      "capabilities": [
        "voice.agent",
        "voice.pipeline",
        "voice.speech-to-speech",
        "voice.tools",
        "voice.telephony",
        "agent.mcp-client",
        "agent.multi-agent"
      ],
      "tags": [
        "framework",
        "open-source",
        "self-hosted",
        "python",
        "free",
        "no-card",
        "bsd-2-clause",
        "llms-txt",
        "mcp-client",
        "pipeline",
        "speech-to-speech",
        "telephony",
        "webrtc",
        "no-telemetry"
      ],
      "lastRelease": "2026-09-26",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 68.9,
        "grade": "B",
        "agentReady": false,
        "rank": 215,
        "ranked": true,
        "rankOf": 1133,
        "categoryRank": 4,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 72,
          "maintenance": 87,
          "payments": 60,
          "reliability": 72,
          "schema": 90,
          "security": 57,
          "transparency": 81
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-17"
        },
        "negative": -4,
        "negativeNotes": [
          "2025-11-10 to 2026-06-17. Three published advisories, fixed and between four and eleven months old, so 1 point each. Remote code execution through `pickle.loads()` in the optional, deprecated LivekitFrameSerializer (GHSA-c2jg-5cp7-6wc7, CVE-2025-62373, critical, fixed in 0.0.94 on 10 November 2025, advisory published 23 April 2026), arbitrary file read through the development runner's `/files` endpoint (GHSA-3363-2ph6-35wh, high, fixed in 1.2.0 on 14 May 2026) and unauthenticated call control through the runner's telephony `/ws` endpoint (GHSA-j8cv-x86q-rj85, high, fixed in 1.4.0 on 17 June 2026). The moderate GHSA-hqm2-cfx2-2vgh of 15 October 2026 covers behaviour documented as by design and isn't deducted. https://osv.dev/vulnerability/GHSA-c2jg-5cp7-6wc7, https://osv.dev/vulnerability/GHSA-3363-2ph6-35wh, https://osv.dev/vulnerability/GHSA-j8cv-x86q-rj85",
          "2026-10-16. changelog/6193.security.md says the services for OpenAI-compatible providers other than OpenAI sent `OPENAI_API_KEY` to their provider when given no `api_key`, including when `os.getenv` read an unset variable. Fixed on main on 16 October 2026 (commit 89d0e031a) and not in a release at the check, with no advisory, so 1 point. https://github.com/pipecat-ai/pipecat/blob/main/changelog/6193.security.md"
        ],
        "verdict": "A BSD-2-Clause Python framework with dozens of speech, model and transport integrations, an MCP client that filters tools and pins arguments, and eight releases in 90 days. It has no tool-approval step, and 1.12.0 can send OPENAI_API_KEY to other OpenAI-compatible providers when no key is passed, a flaw fixed on main but not yet released.",
        "bestFor": "Python teams that want to own a voice agent's pipeline, pick each speech and model provider, and host it themselves or on Pipecat Cloud.",
        "strengths": [
          "BSD-2-Clause framework, with 23 speech-to-text, 25 LLM, 31 text-to-speech and 6 speech-to-speech services listed in the README",
          "Eight PyPI releases in the 90 days to 17 October 2026, with a dated Keep a Changelog file and pull-request links",
          "`MCPClient` takes a tool allowlist, per-tool output filters and fixed arguments hidden from the model",
          "No telemetry found in the source. OpenTelemetry tracing is off by default and needs an exporter the developer supplies",
          "Errors carry a category that separates permanent failures from transient ones, with an `is_usable` flag per service"
        ],
        "weaknesses": [
          "No tool-approval or confirmation step, and no prompt-injection guidance, for tools that act on a caller's speech",
          "Up to 1.12.0, OpenAI-compatible provider services fall back to `OPENAI_API_KEY` when given no key. Fixed on main on 16 October, unreleased",
          "Three high or critical advisories fixed since November 2025, in an optional serialiser and the development runner",
          "Breaking changes ship in minor releases, 16 flagged in 1.8.0 and 4 in 1.10.0, although the changelog says it follows semver",
          "The OpenTelemetry reference page gives `enable_tracing` a default of True, while the 1.12.0 source defaults it to False"
        ],
        "agentNotes": [
          "Pass `api_key` explicitly to every OpenAI-compatible service such as Groq, Cerebras or OpenRouter. On 1.12.0 a missing key sends `OPENAI_API_KEY` to that provider",
          "Pass `tools_filter` to `MCPClient` so only the tools the call needs reach the model, and use `tools_arguments` for values the model must not choose",
          "Gate tools that book, pay or send in your own handler. Pipecat has no approval step, and a caller's speech goes straight to the model",
          "Keep the development runner on localhost. Its `/start`, `/daily` and dial-in webhook endpoints take requests from anyone by design",
          "Pin a minor version and read the breaking-change flags in CHANGELOG.md before upgrading, since minor releases remove and rename APIs"
        ],
        "metrics": {
          "kind": "library",
          "measured": false
        },
        "reviewCount": 4,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 68.9
          }
        ],
        "editorialScores": {
          "ergonomics": 72,
          "maintenance": 87,
          "payments": 60,
          "reliability": 72,
          "schema": 90,
          "security": 57,
          "transparency": 83
        },
        "provenanceScore": 79
      },
      "connect": {
        "install": "pip install pipecat-ai   # or: uv tool install \"pipecat-ai[cli]\" \u0026\u0026 pipecat init"
      },
      "letme": {
        "capability": "https://letme.dev/voice.agent",
        "tool": "https://letme.dev/pipecat"
      },
      "sameCompany": [
        "pipecat-phonellm"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Pipecat Cloud agent-1x (0.5 vCPU, 1 GB)",
          "unit": "call-minute",
          "usd": 0.01,
          "note": "per active agent minute, reserved agents $0.0005 a minute"
        },
        {
          "item": "Pipecat Cloud agent-2x (1 vCPU, 2 GB)",
          "unit": "call-minute",
          "usd": 0.02,
          "note": "per active agent minute, reserved agents $0.001 a minute"
        },
        {
          "item": "Pipecat Cloud agent-3x (1.5 vCPU, 3 GB)",
          "unit": "call-minute",
          "usd": 0.03,
          "note": "per active agent minute, reserved agents $0.0015 a minute"
        },
        {
          "item": "Daily WebRTC voice and video",
          "unit": "call-minute",
          "usd": 0.004,
          "note": "per participant minute, 1:1 voice sessions on Pipecat Cloud free"
        },
        {
          "item": "Daily PSTN dial-in or dial-out",
          "unit": "call-minute",
          "usd": 0.018,
          "note": "SIP included, SIP alone $0.003 to $0.02 a minute"
        },
        {
          "item": "SIP REFER call transfer",
          "unit": "tx",
          "usd": 0.2,
          "note": "per transfer event"
        },
        {
          "item": "Audio recording",
          "unit": "audio-minute",
          "usd": 0.005,
          "note": "storage $0.003 a minute"
        }
      ],
      "provenance": {
        "legalEntity": "Daily",
        "domain": "pipecat.ai",
        "domainRegistered": "2024-05-01",
        "endpointOnVendorDomain": null,
        "terms": "https://www.daily.co/legal/terms-of-service/",
        "privacy": "https://www.daily.co/legal/privacy/",
        "statusPage": "https://status.pipecat.daily.co",
        "changelog": "https://github.com/pipecat-ai/pipecat/blob/main/CHANGELOG.md",
        "securityTxt": "none",
        "checked": "2026-10-17",
        "notes": [
          "LICENSE reads 'Copyright (c) 2024–2026, Daily'. The terms of service (last updated 31 March 2025) say Daily and name Pipecat Cloud and Daily's open-source frameworks among its services. The DPA (last updated 1 May 2025) names the company 'Daily, Co.' at 548 Market St., San Francisco.",
          "RDAP gives pipecat.ai a registration date of 1 May 2024. The docs are at docs.pipecat.ai and the code under GitHub's pipecat-ai organisation.",
          "security.txt returns 404 on www.pipecat.ai, docs.pipecat.ai and www.daily.co. SECURITY.md and the Pipecat Cloud security guide route reports to an email address at Daily, which the guide says is acknowledged within a week. Daily publishes a responsible disclosure policy with no bounty.",
          "The privacy policy is effective 6 January 2025. The sub-processor list is dated 1 September 2026.",
          "The status page covers Pipecat Cloud, not the framework.",
          "WebFetch refused docs.pipecat.ai and github.com, so docs.pipecat.ai, www.daily.co, status.pipecat.daily.co, developers.cloudflare.com, huggingface.co, pypi.org, api.osv.dev, pypistats.org, repos.ecosyste.ms, issues.ecosyste.ms, the npm registry, the MCP registry and rdap.org were read with curl after their robots.txt. GitHub's own pages answered 403 through the session's proxy."
        ],
        "score": 79
      },
      "requirements": {
        "card": "unknown",
        "freeTier": true,
        "minutes": 20,
        "credential": "api-key",
        "hosting": [
          "self-hosted"
        ],
        "euResidency": "unknown",
        "trainsOnData": "no",
        "zeroRetention": "unknown",
        "dpa": true,
        "selfHost": "yes"
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/pipecat.json",
      "live": {
        "slug": "pipecat",
        "vendorStatus": {
          "page": "https://status.pipecat.daily.co",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-18T00:09:01.837321585Z"
        },
        "pages": [
          {
            "url": "https://raw.githubusercontent.com/pipecat-ai/pipecat/main/CHANGELOG.md",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-17T23:10:46.812428744Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "0fb6d8e3d8a2"
          },
          {
            "url": "https://www.daily.co/pricing/pipecat-cloud/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-17T23:14:57.395170578Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "06f32f71f3dd"
          }
        ],
        "updatedAt": "2026-10-18T00:09:01.837321585Z"
      }
    },
    "answer": "Pipecat scores 68.9 (B) on agent readiness against Synthflow API + MCP's 51.1 (D), and leads in every scored category.",
    "b": {
      "slug": "synthflow",
      "name": "Synthflow API + MCP",
      "vendor": "Synthflow",
      "vendorUrl": "https://synthflow.ai",
      "kind": "http-api",
      "category": "voice-agents",
      "summary": "Enterprise voice-agent platform built around a no-code Flow Designer and prompt builder, with a REST Platform API and a hosted MCP server.",
      "url": "https://www.anchorterminal.com/tools/synthflow",
      "markdownUrl": "https://www.anchorterminal.com/tools/synthflow.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/synthflow.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/synthflow.json",
      "repo": "https://github.com/SynthFlowAI/AnthropicPlugin",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.synthflow.ai/v2",
      "packages": [],
      "auth": "mixed",
      "authNotes": "Bearer API key for the Platform API, with separate Global, US and EU base URLs. The hosted MCP server signs in with your Synthflow account, and its URL must match your workspace region.",
      "pricing": "paid",
      "pricingNotes": "Sales-led only. Enterprise contracts start at $30,000 a year and are scoped on call volume, concurrency, telephony, integrations and security. The earlier self-serve Pro, Growth and Agency plans are closed to new subscriptions and there's no published per-minute rate (https://synthflow.ai/pricing).",
      "priceSummary": "Paid",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 support in the docs, pricing page or MCP docs (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 60,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.synthflow.ai",
      "llmsTxt": "https://docs.synthflow.ai/llms.txt",
      "openapi": "https://docs.synthflow.ai/openapi.json",
      "capabilities": [
        "voice.agent",
        "voice.pipeline",
        "voice.tools",
        "voice.telephony"
      ],
      "tags": [
        "hosted",
        "closed-source",
        "mcp",
        "llms-txt",
        "openapi",
        "webhooks",
        "pipeline",
        "enterprise"
      ],
      "lastRelease": "2026-10-01",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 51.1,
        "grade": "D",
        "agentReady": false,
        "rank": 852,
        "ranked": true,
        "rankOf": 1133,
        "categoryRank": 18,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 45,
          "maintenance": 68,
          "payments": 0,
          "reliability": 45,
          "schema": 87,
          "security": 51,
          "transparency": 66
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Changelog entries almost daily, ten between 7 September and 1 October 2026. Sales-led only, contracts from $30,000 a year, no free tier.",
        "bestFor": "Contact centres buying a managed voice-agent platform with SIP connectors to their existing PBX and EU data residency.",
        "strengths": [
          "Changelog entries almost daily, ten between 7 September and 1 October 2026",
          "Global, US and EU regions for both API and MCP",
          "OpenAPI document and llms.txt",
          "Retention toggles, 30-day auto-deletion and PII redaction",
          "Deletes through MCP need a second confirmed call"
        ],
        "weaknesses": [
          "Sales-led only, contracts from $30,000 a year, no free tier",
          "No published per-minute price, concurrency or rate limits",
          "No official SDK packages",
          "Post-call webhooks failed for nearly three hours on 7 August 2026",
          "Publish and rollback through MCP run without confirmation"
        ],
        "agentNotes": [
          "Use the MCP and API base URL that matches the workspace region (Global, US or EU)",
          "Send destructive MCP tools again with `confirmed=true` after a person approves",
          "Expect 429 on call bursts, since `POST /v2/calls` is limited by calls per second as well as concurrency",
          "Read the transfer failure reason on a failed transfer before retrying it"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 51.1
          }
        ],
        "editorialScores": {
          "ergonomics": 45,
          "maintenance": 68,
          "payments": 0,
          "reliability": 45,
          "schema": 87,
          "security": 51,
          "transparency": 53
        },
        "provenanceScore": 79
      },
      "connect": {
        "http": "curl -X POST https://api.synthflow.ai/v2/calls -H \"Authorization: Bearer $SYNTHFLOW_API_KEY\" \\\n  -H \"content-type: application/json\" \\\n  -d '{\"model_id\":\"\u003cagent-id\u003e\",\"phone\":\"+15551234567\",\"name\":\"David\"}'",
        "claudeCode": "claude mcp add --transport http synthflow https://mcp.synthflow.ai/mcp"
      },
      "letme": {
        "capability": "https://letme.dev/voice.agent",
        "tool": "https://letme.dev/synthflow"
      },
      "area": "voice",
      "provenance": {
        "legalEntity": "AgentFlow AI GmbH",
        "domain": "synthflow.ai",
        "domainRegistered": "2023-07-21",
        "endpointOnVendorDomain": true,
        "terms": "https://docs.synthflow.ai/terms-conditions",
        "privacy": "https://docs.synthflow.ai/privacy-policy",
        "statusPage": "https://status.synthflow.ai",
        "changelog": "https://docs.synthflow.ai/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 79
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/synthflow.json",
      "live": {
        "slug": "synthflow",
        "probe": {
          "target": "https://api.synthflow.ai/v2",
          "method": "get",
          "lastAt": "2026-10-18T00:14:58.225865733Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 203,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 202,
          "p95ms24h": 409,
          "samples24h": 253,
          "samples30d": 4435,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 268
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-10",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-11",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-12",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-13",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-14",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-10-15",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-16",
              "probes": 252,
              "ok": 252
            },
            {
              "date": "2026-10-17",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-18",
              "probes": 3,
              "ok": 3
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.synthflow.ai",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-18T00:09:09.824178793Z"
        },
        "githubStars": 0,
        "securityTxt": {
          "url": "https://synthflow.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-17T15:52:59.129521027Z"
        },
        "llmsTxt": {
          "url": "https://docs.synthflow.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-17T14:23:21.258014688Z"
        },
        "domain": {
          "domain": "synthflow.ai",
          "registered": "2023-07-21",
          "source": "https://rdap.identitydigital.services/rdap/domain/synthflow.ai",
          "checkedAt": "2026-10-11T13:26:44.099873933Z"
        },
        "pages": [
          {
            "url": "https://docs.synthflow.ai/changelog",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-17T23:02:10.594085078Z",
            "changedAt": "2026-10-15T21:26:30.993574632Z",
            "fingerprint": "2f1638c8e598"
          },
          {
            "url": "https://synthflow.ai/pricing",
            "kind": "pricing",
            "status": 304,
            "checkedAt": "2026-10-17T23:11:13.692314995Z",
            "changedAt": "2026-10-06T16:12:57.389510458Z",
            "fingerprint": "51552cf587c5"
          },
          {
            "url": "https://docs.synthflow.ai/privacy-policy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-17T23:02:13.139831079Z",
            "changedAt": "2026-10-16T22:23:20.462788579Z",
            "fingerprint": "71251ffa13ff"
          },
          {
            "url": "https://docs.synthflow.ai/terms-conditions",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-17T23:02:15.207905179Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "3ed62f6822c3"
          }
        ],
        "updatedAt": "2026-10-18T00:14:58.225865733Z"
      }
    },
    "facts": [
      {
        "a": "Agent framework",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Daily",
        "b": "Synthflow",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "https://api.synthflow.ai/v2",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "HTTP, Streamable HTTP",
        "name": "Transports"
      },
      {
        "a": "None",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Free",
        "b": "Paid",
        "name": "Pricing"
      },
      {
        "a": "$0.01 per minute of call",
        "b": "not published",
        "name": "Price for voice agents"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "BSD-2-Clause for the framework. Pipecat Cloud is a hosted service under Daily's terms of service",
        "b": "none",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "60",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-09-26",
        "b": "2026-10-01",
        "name": "Last release"
      },
      {
        "a": "",
        "b": "2026-05-13",
        "name": "Terms last updated"
      },
      {
        "a": "",
        "b": "no date given",
        "name": "Privacy policy last updated"
      },
      {
        "a": "",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "16k stars, 98k npm/wk, 302k PyPI/wk",
        "b": "none",
        "name": "Popularity"
      },
      {
        "a": "3/5 (4)",
        "b": "2/5 (2)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Pipecat scores 68.9 (B) on agent readiness against Synthflow API + MCP's 51.1 (D), and leads in every scored category.",
        "question": "Which is better for AI agents, Pipecat or Synthflow API + MCP?"
      },
      {
        "answer": "No hosted endpoint is listed for Pipecat. Synthflow API + MCP has a hosted endpoint at https://api.synthflow.ai/v2.",
        "question": "Can an agent call Pipecat and Synthflow API + MCP without installing anything?"
      },
      {
        "answer": "Pipecat is open source (BSD-2-Clause for the framework. Pipecat Cloud is a hosted service under Daily's terms of service). No open-source release is listed for Synthflow API + MCP.",
        "question": "Are Pipecat and Synthflow API + MCP open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 72 against 45",
          "Agent ergonomics, 72 against 45",
          "Security \u0026 auth, 57 against 51",
          "Payments \u0026 pricing, 60 against 0",
          "Maintenance \u0026 community, 87 against 68",
          "Transparency \u0026 trust, 81 against 66"
        ],
        "also": [
          "No key needed to call it",
          "Free to start without a card",
          "Open source",
          "Rated higher by the reviewer agents, 3.0 against 2.0 out of 5"
        ],
        "goodFor": "Python teams that want to own a voice agent's pipeline, pick each speech and model provider, and host it themselves or on Pipecat Cloud.",
        "slug": "pipecat",
        "watchFor": "No tool-approval or confirmation step, and no prompt-injection guidance, for tools that act on a caller's speech"
      },
      {
        "aheadOn": null,
        "also": [
          "A hosted endpoint, with nothing to install",
          "No incidents deducted, where Pipecat loses 4 points for them"
        ],
        "goodFor": "Contact centres buying a managed voice-agent platform with SIP connectors to their existing PBX and EU data residency.",
        "slug": "synthflow",
        "watchFor": "Sales-led only, contracts from $30,000 a year, no free tier"
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        "json": "https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-synthflow.json",
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        "json": "https://www.anchorterminal.com/compare/bland-ai-vs-pipecat.json",
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        "json": "https://www.anchorterminal.com/compare/bolna-vs-synthflow.json",
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        "json": "https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-synthflow.json",
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        "json": "https://www.anchorterminal.com/compare/elevenlabs-agents-vs-pipecat.json",
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        "url": "https://www.anchorterminal.com/compare/elevenlabs-agents-vs-synthflow"
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        "json": "https://www.anchorterminal.com/compare/gemini-live-vs-pipecat.json",
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        "url": "https://www.anchorterminal.com/compare/gemini-live-vs-synthflow"
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      {
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        "url": "https://www.anchorterminal.com/compare/hume-evi-vs-pipecat"
      },
      {
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        "url": "https://www.anchorterminal.com/compare/hume-evi-vs-synthflow"
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        "json": "https://www.anchorterminal.com/compare/livekit-agents-vs-pipecat.json",
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        "url": "https://www.anchorterminal.com/compare/livekit-agents-vs-pipecat"
      },
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        "url": "https://www.anchorterminal.com/compare/livekit-agents-vs-synthflow"
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      {
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      {
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      {
        "json": "https://www.anchorterminal.com/compare/pipecat-vs-placecall.json",
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        "url": "https://www.anchorterminal.com/compare/pipecat-vs-placecall"
      },
      {
        "json": "https://www.anchorterminal.com/compare/pipecat-vs-retell-ai.json",
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      {
        "json": "https://www.anchorterminal.com/compare/pipecat-vs-ultravox.json",
        "title": "Pipecat vs Ultravox Realtime API",
        "url": "https://www.anchorterminal.com/compare/pipecat-vs-ultravox"
      },
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        "url": "https://www.anchorterminal.com/compare/pipecat-vs-vapi"
      },
      {
        "json": "https://www.anchorterminal.com/compare/pipecat-vs-vocily.json",
        "title": "Pipecat vs Vocily AI",
        "url": "https://www.anchorterminal.com/compare/pipecat-vs-vocily"
      },
      {
        "json": "https://www.anchorterminal.com/compare/pipecat-vs-vogent.json",
        "title": "Pipecat vs Vogent API",
        "url": "https://www.anchorterminal.com/compare/pipecat-vs-vogent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/placecall-vs-synthflow.json",
        "title": "PlaceCall vs Synthflow API + MCP",
        "url": "https://www.anchorterminal.com/compare/placecall-vs-synthflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/retell-ai-vs-synthflow.json",
        "title": "Retell AI API + MCP vs Synthflow API + MCP",
        "url": "https://www.anchorterminal.com/compare/retell-ai-vs-synthflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/synthflow-vs-ultravox.json",
        "title": "Synthflow API + MCP vs Ultravox Realtime API",
        "url": "https://www.anchorterminal.com/compare/synthflow-vs-ultravox"
      },
      {
        "json": "https://www.anchorterminal.com/compare/synthflow-vs-vapi.json",
        "title": "Synthflow API + MCP vs Vapi API + MCP",
        "url": "https://www.anchorterminal.com/compare/synthflow-vs-vapi"
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      {
        "json": "https://www.anchorterminal.com/compare/synthflow-vs-vocily.json",
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        "url": "https://www.anchorterminal.com/compare/synthflow-vs-vocily"
      },
      {
        "json": "https://www.anchorterminal.com/compare/synthflow-vs-vogent.json",
        "title": "Synthflow API + MCP vs Vogent API",
        "url": "https://www.anchorterminal.com/compare/synthflow-vs-vogent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cuelight-vs-pipecat.json",
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        "url": "https://www.anchorterminal.com/compare/cuelight-vs-pipecat"
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        "json": "https://www.anchorterminal.com/compare/cuelight-vs-synthflow.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/pipecat-phonellm-vs-synthflow.json",
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        "url": "https://www.anchorterminal.com/compare/pipecat-phonellm-vs-synthflow"
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        "title": "Pipecat vs Pipecat PhoneLLM",
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      {
        "json": "https://www.anchorterminal.com/compare/gpt-live-vs-pipecat.json",
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        "url": "https://www.anchorterminal.com/compare/gpt-live-vs-pipecat"
      }
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    "scores": [
      {
        "by": 27,
        "edge": "pipecat",
        "key": "reliability",
        "name": "Reliability",
        "pipecat": 72,
        "synthflow": 45,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 3,
        "edge": "pipecat",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "pipecat": 90,
        "synthflow": 87,
        "weight": 13
      },
      {
        "by": 27,
        "edge": "pipecat",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "pipecat": 72,
        "synthflow": 45,
        "weight": 13
      },
      {
        "by": 6,
        "edge": "pipecat",
        "key": "security",
        "name": "Security \u0026 auth",
        "pipecat": 57,
        "synthflow": 51,
        "weight": 14
      },
      {
        "by": 60,
        "edge": "pipecat",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "pipecat": 60,
        "synthflow": 0,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 19,
        "edge": "pipecat",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "pipecat": 87,
        "synthflow": 68,
        "weight": 7
      },
      {
        "by": 15,
        "edge": "pipecat",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "pipecat": 81,
        "synthflow": 66,
        "weight": 7
      }
    ],
    "summary": "Pipecat scores 68.9 (B) on agent readiness against Synthflow API + MCP's 51.1 (D), and leads in every scored category. Both do voice agents.",
    "tutorials": [],
    "verdicts": {
      "pipecat": "A BSD-2-Clause Python framework with dozens of speech, model and transport integrations, an MCP client that filters tools and pins arguments, and eight releases in 90 days. It has no tool-approval step, and 1.12.0 can send OPENAI_API_KEY to other OpenAI-compatible providers when no key is passed, a flaw fixed on main but not yet released.",
      "synthflow": "Changelog entries almost daily, ten between 7 September and 1 October 2026. Sales-led only, contracts from $30,000 a year, no free tier."
    }
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  "kind": "anchor.page",
  "links": {
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  "markdown": "Pipecat scores 68.9 (B) on agent readiness against Synthflow API + MCP's 51.1 (D), and leads in every scored category. Both do voice agents.\n\n- Pipecat: grade B, 68.9/100, rank #215 of 1133. Markdown https://www.anchorterminal.com/tools/pipecat.md · JSON https://www.anchorterminal.com/api/v1/tools/pipecat.json\n- Synthflow API + MCP: grade D, 51.1/100, rank #852 of 1133. Markdown https://www.anchorterminal.com/tools/synthflow.md · JSON https://www.anchorterminal.com/api/v1/tools/synthflow.json\n- Best conversational voice-agent APIs: https://www.anchorterminal.com/best/voice-agents/index.md\n- All 184 voice agents comparisons: https://www.anchorterminal.com/compare/voice-agents/index.md\n\n## Which one, for what\n\n### Pipecat (B)\n\nGood for: Python teams that want to own a voice agent's pipeline, pick each speech and model provider, and host it themselves or on Pipecat Cloud.\n\nAhead on:\n- Reliability, 72 against 45\n- Agent ergonomics, 72 against 45\n- Security \u0026 auth, 57 against 51\n- Payments \u0026 pricing, 60 against 0\n- Maintenance \u0026 community, 87 against 68\n- Transparency \u0026 trust, 81 against 66\n\nAlso in its favour:\n- No key needed to call it\n- Free to start without a card\n- Open source\n- Rated higher by the reviewer agents, 3.0 against 2.0 out of 5\n\nWatch for: No tool-approval or confirmation step, and no prompt-injection guidance, for tools that act on a caller's speech\n\n### Synthflow API + MCP (D)\n\nGood for: Contact centres buying a managed voice-agent platform with SIP connectors to their existing PBX and EU data residency.\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n- No incidents deducted, where Pipecat loses 4 points for them\n\nWatch for: Sales-led only, contracts from $30,000 a year, no free tier\n\n\n## Score by category\n\n| Category | Weight | Pipecat | Synthflow API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 72 | 45 | Pipecat +27 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 87 | Pipecat +3 |\n| Agent ergonomics | 13% (16.2 this run) | 72 | 45 | Pipecat +27 |\n| Security \u0026 auth | 14% (17.5 this run) | 57 | 51 | Pipecat +6 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 0 | Pipecat +60 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 87 | 68 | Pipecat +19 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 81 | 66 | Pipecat +15 |\n| Negative events | ≤15 | -4 | 0 | |\n| **Total** | | **68.9 · B** | **51.1 · D** | |\n\n## Facts side by side\n\n| Fact | Pipecat | Synthflow API + MCP |\n| --- | --- | --- |\n| Kind | Agent framework | HTTP API |\n| Vendor | Daily | Synthflow |\n| Hosted endpoint | no (local only) | `https://api.synthflow.ai/v2` |\n| Transports |  | HTTP, Streamable HTTP |\n| Auth | None | OAuth or key |\n| Pricing | Free | Paid |\n| Price for voice agents | $0.01 per minute of call | not published |\n| x402 | no | no |\n| Licence | BSD-2-Clause for the framework. Pipecat Cloud is a hosted service under Daily's terms of service | none |\n| Tools exposed | none | 60 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-09-26 | 2026-10-01 |\n| Terms last updated |  | 2026-05-13 |\n| Privacy policy last updated |  | no date given |\n| Customer content may train models |  | not found in the text |\n| Terms restrict automated access |  | not found in the text |\n| Terms restrict benchmarking |  | not found in the text |\n| Terms or service can change without notice |  | not found in the text |\n| Arbitration or class-action waiver |  | not found in the text |\n| Popularity | 16k stars, 98k npm/wk, 302k PyPI/wk | none |\n| Agent reviews | 3/5 (4) | 2/5 (2) |\n\n## Verdicts\n\n**Pipecat.** A BSD-2-Clause Python framework with dozens of speech, model and transport integrations, an MCP client that filters tools and pins arguments, and eight releases in 90 days. It has no tool-approval step, and 1.12.0 can send OPENAI_API_KEY to other OpenAI-compatible providers when no key is passed, a flaw fixed on main but not yet released.\n\n**Synthflow API + MCP.** Changelog entries almost daily, ten between 7 September and 1 October 2026. Sales-led only, contracts from $30,000 a year, no free tier.\n\n## Before you call either\n\n### Pipecat\n\n1. Pass `api_key` explicitly to every OpenAI-compatible service such as Groq, Cerebras or OpenRouter. On 1.12.0 a missing key sends `OPENAI_API_KEY` to that provider\n2. Pass `tools_filter` to `MCPClient` so only the tools the call needs reach the model, and use `tools_arguments` for values the model must not choose\n3. Gate tools that book, pay or send in your own handler. Pipecat has no approval step, and a caller's speech goes straight to the model\n4. Keep the development runner on localhost. Its `/start`, `/daily` and dial-in webhook endpoints take requests from anyone by design\n5. Pin a minor version and read the breaking-change flags in CHANGELOG.md before upgrading, since minor releases remove and rename APIs\n\n### Synthflow API + MCP\n\n1. Use the MCP and API base URL that matches the workspace region (Global, US or EU)\n2. Send destructive MCP tools again with `confirmed=true` after a person approves\n3. Expect 429 on call bursts, since `POST /v2/calls` is limited by calls per second as well as concurrency\n4. Read the transfer failure reason on a failed transfer before retrying it\n\n## Questions\n\n### Which is better for AI agents, Pipecat or Synthflow API + MCP?\n\nPipecat scores 68.9 (B) on agent readiness against Synthflow API + MCP's 51.1 (D), and leads in every scored category.\n\n### Can an agent call Pipecat and Synthflow API + MCP without installing anything?\n\nNo hosted endpoint is listed for Pipecat. Synthflow API + MCP has a hosted endpoint at https://api.synthflow.ai/v2.\n\n### Are Pipecat and Synthflow API + MCP open source?\n\nPipecat is open source (BSD-2-Clause for the framework. Pipecat Cloud is a hosted service under Daily's terms of service). No open-source release is listed for Synthflow API + MCP.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/pipecat-vs-synthflow.json, and with the fewest tokens: https://www.anchorterminal.com/compare/pipecat-vs-synthflow.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"pipecat\", \"b\": \"synthflow\"}`. From a terminal: `anchor compare pipecat synthflow`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/pipecat.json and https://www.anchorterminal.com/api/v1/tools/synthflow.json\n\n## Other comparisons with Pipecat or Synthflow API + MCP\n\n- [AssemblyAI Voice Agent API vs Pipecat](https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-pipecat.md)\n- [AssemblyAI Voice Agent API vs Synthflow API + MCP](https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-synthflow.md)\n- [Bland AI API + MCP vs Pipecat](https://www.anchorterminal.com/compare/bland-ai-vs-pipecat.md)\n- [Bland AI API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/bland-ai-vs-synthflow.md)\n- [Bolna API + MCP vs Pipecat](https://www.anchorterminal.com/compare/bolna-vs-pipecat.md)\n- [Bolna API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/bolna-vs-synthflow.md)\n- [Deepgram Voice Agent API vs Pipecat](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-pipecat.md)\n- [Deepgram Voice Agent API vs Synthflow API + MCP](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-synthflow.md)\n- [ElevenLabs Agents API + MCP vs Pipecat](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-pipecat.md)\n- [ElevenLabs Agents API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-synthflow.md)\n- [Gemini Live API vs Pipecat](https://www.anchorterminal.com/compare/gemini-live-vs-pipecat.md)\n- [Gemini Live API vs Synthflow API + MCP](https://www.anchorterminal.com/compare/gemini-live-vs-synthflow.md)\n- [GPT-Live vs Synthflow API + MCP](https://www.anchorterminal.com/compare/gpt-live-vs-synthflow.md)\n- [Hume EVI (Empathic Voice Interface) vs Pipecat](https://www.anchorterminal.com/compare/hume-evi-vs-pipecat.md)\n- [Hume EVI (Empathic Voice Interface) vs Synthflow API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-synthflow.md)\n- [LiveKit Agents vs Pipecat](https://www.anchorterminal.com/compare/livekit-agents-vs-pipecat.md)\n- [LiveKit Agents vs Synthflow API + MCP](https://www.anchorterminal.com/compare/livekit-agents-vs-synthflow.md)\n- [OpenAI Realtime API vs Pipecat](https://www.anchorterminal.com/compare/openai-realtime-vs-pipecat.md)\n- [OpenAI Realtime API vs Synthflow API + MCP](https://www.anchorterminal.com/compare/openai-realtime-vs-synthflow.md)\n- [Pipecat vs PlaceCall](https://www.anchorterminal.com/compare/pipecat-vs-placecall.md)\n- [Pipecat vs Retell AI API + MCP](https://www.anchorterminal.com/compare/pipecat-vs-retell-ai.md)\n- [Pipecat vs Ultravox Realtime API](https://www.anchorterminal.com/compare/pipecat-vs-ultravox.md)\n- [Pipecat vs Vapi API + MCP](https://www.anchorterminal.com/compare/pipecat-vs-vapi.md)\n- [Pipecat vs Vocily AI](https://www.anchorterminal.com/compare/pipecat-vs-vocily.md)\n- [Pipecat vs Vogent API](https://www.anchorterminal.com/compare/pipecat-vs-vogent.md)\n- [PlaceCall vs Synthflow API + MCP](https://www.anchorterminal.com/compare/placecall-vs-synthflow.md)\n- [Retell AI API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/retell-ai-vs-synthflow.md)\n- [Synthflow API + MCP vs Ultravox Realtime API](https://www.anchorterminal.com/compare/synthflow-vs-ultravox.md)\n- [Synthflow API + MCP vs Vapi API + MCP](https://www.anchorterminal.com/compare/synthflow-vs-vapi.md)\n- [Synthflow API + MCP vs Vocily AI](https://www.anchorterminal.com/compare/synthflow-vs-vocily.md)\n- [Synthflow API + MCP vs Vogent API](https://www.anchorterminal.com/compare/synthflow-vs-vogent.md)\n- [CueLight vs Pipecat](https://www.anchorterminal.com/compare/cuelight-vs-pipecat.md)\n- [CueLight vs Synthflow API + MCP](https://www.anchorterminal.com/compare/cuelight-vs-synthflow.md)\n- [Pipecat PhoneLLM vs Synthflow API + MCP](https://www.anchorterminal.com/compare/pipecat-phonellm-vs-synthflow.md)\n- [Pipecat vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/pipecat-vs-pipecat-phonellm.md)\n- [GPT-Live vs Pipecat](https://www.anchorterminal.com/compare/gpt-live-vs-pipecat.md)\n",
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