{ "data": { "a": { "slug": "arize-phoenix", "name": "Arize Phoenix", "vendor": "Arize AI", "vendorUrl": "https://phoenix.arize.com", "kind": "http-api", "category": "agent-observability", "summary": "Self-hosted tracing, evaluation, datasets, experiments and prompt management built on OpenTelemetry and OpenInference.", "url": "https://www.anchorterminal.com/tools/arize-phoenix", "markdownUrl": "https://www.anchorterminal.com/tools/arize-phoenix.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/arize-phoenix.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/arize-phoenix.json", "repo": "https://github.com/Arize-ai/phoenix", "license": "Elastic-2.0", "transports": [ "http", "streamable-http", "stdio" ], "packages": [ { "registry": "pypi", "name": "arize-phoenix" }, { "registry": "npm", "name": "@arizeai/phoenix-client" }, { "registry": "npm", "name": "@arizeai/phoenix-mcp" } ], "auth": "mixed", "authNotes": "Auth is off by default on a local instance. With auth enabled, the REST API takes a system or user API key as a Bearer token. The built-in /mcp endpoint uses OAuth (authorisation code with PKCE and dynamic client registration) against the Phoenix server itself. The older @arizeai/phoenix-mcp stdio package takes PHOENIX_API_KEY.", "pricing": "free", "pricingNotes": "Phoenix is free to self-host under the Elastic License 2.0; you pay for your own compute and Postgres or SQLite storage. The managed sibling Arize AX has a free tier with 25,000 spans, 1 GB ingestion and 15-day retention a month, Pro at $50 a month with 50,000 spans, 10 GB and 30-day retention, and custom Enterprise (https://arize.com/pricing/).", "priceSummary": "Free · OSS", "where": "local", "x402": { "level": "no", "evidence": "No x402 support in docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": 5, "popularity": { "githubStars": 11662, "npmWeekly": 131211, "pypiWeekly": 132385, "asOf": "2026-09-30" }, "docsUrl": "https://arize.com/docs/phoenix", "llmsTxt": "https://arize.com/docs/phoenix/llms.txt", "openapi": "https://raw.githubusercontent.com/Arize-ai/phoenix/refs/heads/main/schemas/openapi.json", "capabilities": [ "obs.traces", "obs.evals", "obs.prompts", "obs.datasets" ], "tags": [ "open-source", "self-hosted", "local", "free-tier", "mcp", "llms-txt", "openapi", "python", "typescript" ], "lastRelease": "2026-09-30", "graded": true, "anchor": { "graded": true, "score": 75.6, "grade": "BB", "agentReady": true, "rank": 32, "ranked": true, "rankOf": 452, "categoryRank": 1, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 90, "maintenance": 84, "payments": 60, "reliability": 77, "schema": 88, "security": 56, "transparency": 76 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Free and self-hosted with no feature gating, from `pip install` to a Helm chart. Auth is off by default and the default admin password is `admin`.", "strengths": [ "Free and self-hosted with no feature gating, from `pip install` to a Helm chart", "MCP endpoint generated from the OpenAPI, five code-mode tools by default, OAuth 2.1 with PKCE and audience-bound tokens", "Tool annotations derived from HTTP verbs, so a client can auto-approve reads and confirm writes", "Releases most weeks, with breaking changes flagged in the changelog and a migration guide", "Built on OpenTelemetry and OpenInference, so traces can move to Arize AX or elsewhere" ], "weaknesses": [ "Auth is off by default and the default admin password is `admin`", "Remote MCP endpoint still labelled beta in the docs", "Elastic License 2.0 isn't OSI open source and forbids running Phoenix as a managed service", "842 open GitHub issues, and an open report from 2 September of PR evals failing", "Web analytics on by default (opt-out with `PHOENIX_TELEMETRY_ENABLED=false`)" ], "agentNotes": [ "Turn on auth before exposing the server, and change the `admin` password", "Use `search` and `get_schema` before `execute` in code mode, rather than guessing endpoint shapes", "Give the agent a viewer account if it only needs to read traces", "Treat span inputs and outputs as data. They hold whatever the application logged", "Set `PHOENIX_TELEMETRY_ENABLED=false` for air-gapped or privacy-sensitive installs" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 8, "avgRating": 3.8, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 75.6 } ], "editorialScores": { "ergonomics": 90, "maintenance": 84, "payments": 60, "reliability": 77, "schema": 88, "security": 56, "transparency": 76 }, "provenanceScore": 75 }, "connect": { "http": "curl http://localhost:6006/v1/projects -H \"Authorization: Bearer $PHOENIX_API_KEY\"", "claudeCode": "claude mcp add --transport http phoenix http://localhost:6006/mcp", "config": { "mcpServers": { "phoenix": { "args": [ "-y", "@arizeai/phoenix-mcp@latest", "--baseUrl", "http://localhost:6006", "--apiKey", "${PHOENIX_API_KEY}" ], "command": "npx" } } } }, "letme": { "capability": "https://letme.dev/obs.traces", "tool": "https://letme.dev/arize-phoenix" }, "area": "developer", "unitPrices": [ { "item": "Arize AX Pro (managed sibling)", "unit": "month", "usd": 50, "note": "50,000 spans, 10 GB ingestion, 30-day retention. Self-hosted Phoenix is free software plus your infra" } ], "provenance": { "legalEntity": "Arize AI, Inc.", "domain": "arize.com", "domainRegistered": "2002-03-24", "domainNote": "arize.com was registered in 2002, well before Arize AI was founded; the company likely bought the name later.", "endpointOnVendorDomain": false, "terms": "https://arize.com/terms-of-service/", "privacy": "https://arize.com/privacy-policy/", "statusPage": "https://status.arize.com", "changelog": "https://github.com/Arize-ai/phoenix/releases", "securityTxt": "none", "checked": "2026-09-30", "score": 75 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/arize-phoenix.json", "live": { "slug": "arize-phoenix", "vendorStatus": { "page": "https://status.arize.com", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:39:48.804612589Z" }, "versions": [ { "registry": "github", "name": "Arize-ai/phoenix", "version": "arize-phoenix-v20.19.0", "released": "2026-10-01", "seenAt": "2026-10-04T16:20:53.33744975Z" }, { "registry": "npm", "name": "@arizeai/phoenix-client", "version": "7.16.0", "seenAt": "2026-10-04T16:20:51.131454134Z" }, { "registry": "npm", "name": "@arizeai/phoenix-mcp", "version": "4.3.15", "seenAt": "2026-10-04T16:20:51.575630222Z" }, { "registry": "pypi", "name": "arize-phoenix", "version": "20.19.0", "released": "2026-10-01", "seenAt": "2026-10-04T16:20:50.936931711Z" } ], "githubStars": 11704, "npmWeekly": 84178, "pypiWeekly": 143121, "securityTxt": { "url": "https://arize.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:01.290278815Z" }, "llmsTxt": { "url": "https://arize.com/docs/phoenix/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:15.318838737Z" }, "domain": { "domain": "arize.com", "registered": "2002-03-24", "source": "https://rdap.verisign.com/com/v1/domain/arize.com", "checkedAt": "2026-10-04T13:04:54.314321516Z" }, "pages": [ { "url": "https://arize.com/pricing/", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:41:15.874853632Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "4450553fe0f8" }, { "url": "https://arize.com/privacy-policy/", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:41:18.402560606Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "8ced75f284e2" }, { "url": "https://arize.com/terms-of-service/", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:41:20.923451914Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "d9ef61d742b4" } ], "updatedAt": "2026-10-04T21:39:48.804612589Z" } }, "b": { "slug": "honeyhive", "name": "HoneyHive", "vendor": "HoneyHive", "vendorUrl": "https://www.honeyhive.ai", "kind": "http-api", "category": "agent-observability", "summary": "Hosted tracing, evaluation, datasets and prompt management for agents, built on OpenTelemetry.", "url": "https://www.anchorterminal.com/tools/honeyhive", "markdownUrl": "https://www.anchorterminal.com/tools/honeyhive.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/honeyhive.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/honeyhive.json", "repo": "https://github.com/honeyhiveai/python-sdk", "license": "MIT (SDK, CLI and OpenAPI specs only, platform closed source)", "transports": [ "http" ], "remoteUrl": "https://api.dp1.us.honeyhive.ai", "packages": [ { "registry": "pypi", "name": "honeyhive" }, { "registry": "npm", "name": "honeyhive" } ], "auth": "api-key", "authNotes": "Bearer API keys in four types. Project keys (`hh_`) and read-only project keys (`hh_ro_`) for the data plane, ingestion keys (`hh_ingst_`) that can only send traces and events to one project, and fine-grained keys (`hh_fgcp_`) for the control plane, scoped to an organisation or workspace with chosen permissions and a required expiry of at most 365 days. Data plane at api.dp1.us.honeyhive.ai, control plane at api.cp.us.honeyhive.ai. Since 24 September 2026 invalid keys and permission failures return 404. Self-hosted deployments can use an OIDC identity provider.", "pricing": "freemium", "pricingNotes": "Free Developer plan with 10,000 events a month, up to 5 users and 30-day retention. An event is one trace span or one metric label. Enterprise is custom with unlimited users and workspaces, custom retention and self-hosting. No self-serve paid tier is published (https://www.honeyhive.ai/pricing).", "priceSummary": "Freemium", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 60, "pypiWeekly": 2105, "asOf": "2026-09-30" }, "docsUrl": "https://docs.honeyhive.ai", "llmsTxt": "https://docs.honeyhive.ai/llms.txt", "openapi": "https://raw.githubusercontent.com/honeyhiveai/honeyhive-openapi/main/data_plane_openapi.yaml", "capabilities": [ "obs.traces", "obs.evals", "obs.prompts", "obs.datasets" ], "tags": [ "hosted", "freemium", "llms-txt", "openapi", "python", "typescript", "closed-source", "enterprise", "self-hosted" ], "lastRelease": "2026-09-29", "graded": true, "anchor": { "graded": true, "score": 55.9, "grade": "C", "agentReady": false, "rank": 310, "ranked": true, "rankOf": 452, "categoryRank": 7, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 63, "maintenance": 77, "payments": 20, "reliability": 44, "schema": 86, "security": 61, "transparency": 68 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": -3, "negativeNotes": [ "2026-09-22 to 2026-09-24. The API stopped returning 401 for invalid, revoked or expired keys and 403 for permission failures, and now answers 404 for all of them, on every client version. It was announced in the CLI 1.7.0 changelog on 22 September and the product changelog on 24 September, with no deprecation window. -3 (https://github.com/honeyhiveai/honeyhive-cli/blob/main/CHANGELOG.md)" ], "verdict": "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.", "strengths": [ "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys", "Public OpenAPI 3.1 specs for data plane and control plane under MIT, with an oasdiff-generated changelog", "CLI generated one to one from the specs, plus agent skills and Markdown docs", "Python SDK 1.6.1 and CLI 1.7.0 released in the last two weeks of September 2026", "Free plan with 30-day retention, 1,000 requests a minute and no card" ], "weaknesses": [ "Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history", "No MCP server for trace data, only a docs search MCP", "No self-serve paid tier, only Free and a sales-led Enterprise plan", "Since 24 September 2026 invalid keys and permission failures return 404, with no deprecation window", "Event search returns up to 1,000 rows by default with no field selection" ], "agentNotes": [ "Give the agent a read-only `hh_ro_` key for analysis and a separate `hh_ingst_` key for sending traces", "Treat a 404 as possibly a bad, revoked or expired key before assuming the record is missing", "Set `limit` on `POST /v1/events/search`. The default is 1,000 rows", "Use the CLI (`brew tap honeyhiveai/tap \u0026\u0026 brew install honeyhive`) from a coding agent. It maps one command to each API endpoint", "Control plane commands need an `hh_fgcp_` key and the control plane host api.cp.us.honeyhive.ai" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 55.9 } ], "editorialScores": { "ergonomics": 63, "maintenance": 77, "payments": 20, "reliability": 44, "schema": 86, "security": 61, "transparency": 54 }, "provenanceScore": 82 }, "connect": { "http": "curl https://api.dp1.us.honeyhive.ai/v1/datasets -H \"Authorization: Bearer $HH_API_KEY\"" }, "letme": { "capability": "https://letme.dev/obs.traces", "tool": "https://letme.dev/honeyhive" }, "area": "developer", "provenance": { "legalEntity": "HoneyHive Inc.", "domain": "honeyhive.ai", "domainRegistered": "2022-07-28", "endpointOnVendorDomain": true, "terms": "https://www.honeyhive.ai/legal/terms-of-service", "privacy": "https://www.honeyhive.ai/legal/privacy-policy", "statusPage": "https://status.honeyhive.ai", "changelog": "https://docs.honeyhive.ai/v2/changelog/product", "securityTxt": "none", "checked": "2026-09-30", "score": 82 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/honeyhive.json", "live": { "slug": "honeyhive", "probe": { "target": "https://api.dp1.us.honeyhive.ai", "method": "get", "lastAt": "2026-10-05T03:17:27.094141982Z", "lastOk": true, "lastStatus": 404, "lastMs": 425, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 448, "p95ms24h": 484, "samples24h": 273, "samples30d": 1140, "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": 38, "ok": 38 } ] }, "vendorStatus": { "page": "https://status.honeyhive.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:07.679425636Z" }, "versions": [ { "registry": "github", "name": "honeyhiveai/python-sdk", "version": "v1.6.1", "released": "2026-09-29", "seenAt": "2026-10-04T16:29:47.051274003Z" }, { "registry": "npm", "name": "honeyhive", "version": "1.0.45", "seenAt": "2026-10-04T16:29:46.131902271Z" }, { "registry": "pypi", "name": "honeyhive", "version": "1.6.1", "released": "2026-09-29", "seenAt": "2026-10-04T16:29:45.944378114Z" } ], "githubStars": 3, "npmWeekly": 115, "pypiWeekly": 2157, "securityTxt": { "url": "https://honeyhive.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:43.408713013Z" }, "llmsTxt": { "url": "https://docs.honeyhive.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:52.608156452Z" }, "domain": { "domain": "honeyhive.ai", "registered": "2022-07-28", "source": "https://rdap.identitydigital.services/rdap/domain/honeyhive.ai", "checkedAt": "2026-10-04T13:04:07.481546397Z" }, "pages": [ { "url": "https://docs.honeyhive.ai/v2/changelog/product", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:43:41.843601235Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "d1e93acad1c0" }, { "url": "https://www.honeyhive.ai/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:50:44.12758554Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5861207b5e2f" }, { "url": "https://www.honeyhive.ai/legal/privacy-policy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:50:40.106324522Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "728d616153ce" }, { "url": "https://www.honeyhive.ai/legal/terms-of-service", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:50:42.132533735Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "68e3e45c1001" } ], "updatedAt": "2026-10-05T03:17:27.094141982Z" } }, "summary": "Arize Phoenix has a score of 75.6 (BB) against HoneyHive's 55.9 (C). Both do obs traces. The largest gap is payments \u0026 pricing, 40 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive", "json": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive.md", "slim": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive.min.md" }, "markdown": "Arize Phoenix has a score of 75.6 (BB) against HoneyHive's 55.9 (C). Both do obs traces. The largest gap is payments \u0026 pricing, 40 points.\n\n- Arize Phoenix: grade BB, 75.6/100, rank #32 of 452. Markdown https://www.anchorterminal.com/tools/arize-phoenix.md · JSON https://www.anchorterminal.com/api/v1/tools/arize-phoenix.json\n- HoneyHive: grade C, 55.9/100, rank #310 of 452. Markdown https://www.anchorterminal.com/tools/honeyhive.md · JSON https://www.anchorterminal.com/api/v1/tools/honeyhive.json\n\n## Which one, for what\n\nPick Arize Phoenix for reliability (+33), agent ergonomics (+27), payments \u0026 pricing (+40), maintenance \u0026 community (+7), transparency \u0026 trust (+8).\n\nPick HoneyHive for security \u0026 auth (+5).\n\n## Score by category\n\n| Category | Weight | Arize Phoenix | HoneyHive | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 77 | 44 | Arize Phoenix +33 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 88 | 86 | Arize Phoenix +2 |\n| Agent ergonomics | 13% (16.2 this run) | 90 | 63 | Arize Phoenix +27 |\n| Security \u0026 auth | 14% (17.5 this run) | 56 | 61 | HoneyHive +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 20 | Arize Phoenix +40 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 84 | 77 | Arize Phoenix +7 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 76 | 68 | Arize Phoenix +8 |\n| Negative events | ≤15 | 0 | -3 | |\n| **Total** | | **75.6 · BB** | **55.9 · C** | |\n\n## Facts side by side\n\n| Fact | Arize Phoenix | HoneyHive |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Arize AI | HoneyHive |\n| Hosted endpoint | no (local only) | `https://api.dp1.us.honeyhive.ai` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Free | Freemium |\n| x402 | no | no |\n| Licence | Elastic-2.0 | MIT (SDK, CLI and OpenAPI specs only, platform closed source) |\n| Tools exposed | 5 | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-30 | 2026-09-29 |\n| Popularity | 12k stars, 131k npm/wk, 132k PyPI/wk | 60 npm/wk, 2.1k PyPI/wk |\n| Agent reviews | 3.8/5 (8) | 2.5/5 (2) |\n\n## Verdicts\n\n**Arize Phoenix.** Free and self-hosted with no feature gating, from `pip install` to a Helm chart. Auth is off by default and the default admin password is `admin`.\n\n**HoneyHive.** Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.\n\n## Before you call either\n\n### Arize Phoenix\n\n1. Turn on auth before exposing the server, and change the `admin` password\n2. Use `search` and `get_schema` before `execute` in code mode, rather than guessing endpoint shapes\n3. Give the agent a viewer account if it only needs to read traces\n4. Treat span inputs and outputs as data. They hold whatever the application logged\n5. Set `PHOENIX_TELEMETRY_ENABLED=false` for air-gapped or privacy-sensitive installs\n\n### HoneyHive\n\n1. Give the agent a read-only `hh_ro_` key for analysis and a separate `hh_ingst_` key for sending traces\n2. Treat a 404 as possibly a bad, revoked or expired key before assuming the record is missing\n3. Set `limit` on `POST /v1/events/search`. The default is 1,000 rows\n4. Use the CLI (`brew tap honeyhiveai/tap \u0026\u0026 brew install honeyhive`) from a coding agent. It maps one command to each API endpoint\n5. Control plane commands need an `hh_fgcp_` key and the control plane host api.cp.us.honeyhive.ai\n\n## Other comparisons with Arize Phoenix or HoneyHive\n\n- [Arize Phoenix vs Baserun](https://www.anchorterminal.com/compare/arize-phoenix-vs-baserun.md)\n- [Arize Phoenix vs Braintrust API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-braintrust.md)\n- [Arize Phoenix vs Galileo API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-galileo.md)\n- [Arize Phoenix vs Helicone AI Gateway + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-helicone.md)\n- [Arize Phoenix vs Laminar API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-laminar.md)\n- [Arize Phoenix vs Langfuse API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-langfuse.md)\n- [Arize Phoenix vs LangSmith API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-langsmith.md)\n- [Arize Phoenix vs Respan API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-respan.md)\n- [Baserun vs HoneyHive](https://www.anchorterminal.com/compare/baserun-vs-honeyhive.md)\n- [Braintrust API + MCP vs HoneyHive](https://www.anchorterminal.com/compare/braintrust-vs-honeyhive.md)\n- [Galileo API + MCP vs HoneyHive](https://www.anchorterminal.com/compare/galileo-vs-honeyhive.md)\n- [Helicone AI Gateway + MCP vs HoneyHive](https://www.anchorterminal.com/compare/helicone-vs-honeyhive.md)\n- [HoneyHive vs Laminar API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-laminar.md)\n- [HoneyHive vs Langfuse API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-langfuse.md)\n- [HoneyHive vs LangSmith API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-langsmith.md)\n- [HoneyHive vs Respan API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-respan.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Arize Phoenix vs HoneyHive", "url": "" } ], "description": "Arize Phoenix has a score of 75.6 (BB) against HoneyHive's 55.9 (C). Both do obs traces. The largest gap is payments \u0026 pricing, 40 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Arize Phoenix BB 75.6", "HoneyHive C 55.9", "scores" ], "h1": "Arize Phoenix vs HoneyHive", "image": "https://www.anchorterminal.com/assets/og/compare-arize-phoenix-vs-honeyhive.png", "path": "/compare/arize-phoenix-vs-honeyhive", "published": "2026-10-01", "section": "tools", "title": "Arize Phoenix vs HoneyHive for AI agents, BB 75.6 vs C 55.9", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive" }, "tokens": { "markdown": 1600, "slim": 330 }, "version": 1 }