{ "data": { "a": { "slug": "hume-evi", "name": "Hume EVI (Empathic Voice Interface)", "vendor": "Hume AI", "vendorUrl": "https://www.hume.ai", "kind": "http-api", "category": "voice-agents", "summary": "Hume's hosted voice-agent service, accessed through a WebSocket API.", "url": "https://www.anchorterminal.com/tools/hume-evi", "markdownUrl": "https://www.anchorterminal.com/tools/hume-evi.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/hume-evi.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/hume-evi.json", "repo": "https://github.com/HumeAI/hume-python-sdk", "license": "MIT (SDKs)", "transports": [ "http" ], "remoteUrl": "https://api.hume.ai/v0/evi", "packages": [ { "registry": "npm", "name": "hume" }, { "registry": "pypi", "name": "hume" }, { "registry": "npm", "name": "@humeai/voice-react" } ], "auth": "mixed", "authNotes": "`X-Hume-Api-Key` header for REST. The chat WebSocket takes `api_key` or a short-lived `access_token` in the query string. The Twilio webhook URL carries the API key as a query parameter.", "pricing": "freemium", "pricingNotes": "Free includes 5 EVI minutes a month and 1 concurrent connection. Starter $3 40 minutes, Creator $14 ($7 first month) 200 minutes, Pro $70 1,200 minutes then $0.06 a minute, Scale $200 5,000 then $0.05, Business $500 12,500 then $0.04. External LLM usage is billed on top. Free and Starter are non-commercial (https://www.hume.ai/pricing).", "priceSummary": "$14 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 or machine payment in the docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 180, "npmWeekly": 79177, "pypiWeekly": 23750, "asOf": "2026-09-30" }, "docsUrl": "https://dev.hume.ai/docs/speech-to-speech-evi/overview", "llmsTxt": "https://dev.hume.ai/llms.txt", "openapi": "https://dev.hume.ai/openapi/speech-to-speech-evi.json", "capabilities": [ "voice.agent", "voice.speech-to-speech", "voice.pipeline", "voice.tools", "voice.telephony" ], "tags": [ "hosted", "freemium", "free-tier", "closed-source", "python", "typescript", "llms-txt", "speech-to-speech", "pipeline", "streaming", "websocket", "webhooks", "enterprise", "status-page" ], "lastRelease": "2026-08-18", "graded": true, "anchor": { "graded": true, "score": 57.3, "grade": "C", "agentReady": false, "rank": 296, "ranked": true, "rankOf": 452, "categoryRank": 7, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 66, "maintenance": 65, "payments": 37, "reliability": 55, "schema": 90, "security": 27, "transparency": 67 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Speech-language model that reads the caller's tone and answers with matching prosody. One account-wide key, sent in the WebSocket and Twilio webhook URLs.", "strengths": [ "Speech-language model that reads the caller's tone and answers with matching prosody", "4 to 7 cents a minute including Hume's own model", "External LLMs or a custom endpoint for tool calling", "AsyncAPI 2.6.0 file for the EVI WebSocket and an error catalogue with a recovery step for each code", "Dated end-of-support notices for older EVI versions" ], "weaknesses": [ "One account-wide key, sent in the WebSocket and Twilio webhook URLs", "Privacy page contradicts itself on training use of EVI data", "EVI down in a majority of cases for about 6.5 hours on 11 July 2026, posted to the status page three days later", "Public changelog ends at 15 May 2026", "No HTTP 429, Retry-After or backoff guidance, only 'retry later' error codes" ], "agentNotes": [ "Create a config with a voice first, EVI 3 has no default", "Pick a Claude, GPT, Gemini or Moonshot supplemental LLM if the agent needs tools, since Hume's own model can't call them", "Mint 30-minute access tokens server-side so the API key never reaches a client URL", "Turn on 'Do not retain data' and 'Do not use for training' at app.hume.ai before sensitive calls", "Reconnect with the chat group ID before the 30-minute session cap, and on E0700 close an open chat before starting another" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 57.3 } ], "editorialScores": { "ergonomics": 66, "maintenance": 65, "payments": 37, "reliability": 55, "schema": 90, "security": 27, "transparency": 48 }, "provenanceScore": 86 }, "connect": { "http": "curl https://api.hume.ai/v0/evi/configs -H \"X-Hume-Api-Key: $HUME_API_KEY\"" }, "letme": { "capability": "https://letme.dev/voice.agent", "tool": "https://letme.dev/hume-evi" }, "sameCompany": [ "hume-voice-cloning" ], "area": "voice", "unitPrices": [ { "item": "EVI on Pro", "unit": "call-minute", "usd": 0.06, "note": "overage after 1,200 included minutes, Hume model included, external LLM extra" }, { "item": "EVI on Scale", "unit": "call-minute", "usd": 0.05, "note": "overage after 5,000 included minutes" }, { "item": "EVI on Business", "unit": "call-minute", "usd": 0.04, "note": "overage after 12,500 included minutes" }, { "item": "Creator plan", "unit": "month", "usd": 14, "note": "200 EVI minutes, 5 concurrent, $7 first month" }, { "item": "Pro plan", "unit": "month", "usd": 70, "note": "1,200 EVI minutes, 10 concurrent" } ], "provenance": { "legalEntity": "Hume AI, Inc.", "domain": "hume.ai", "domainRegistered": "2020-04-06", "endpointOnVendorDomain": true, "terms": "https://www.hume.ai/terms-of-use", "privacy": "https://www.hume.ai/privacy-policy", "statusPage": "https://status.hume.ai", "changelog": "https://dev.hume.ai/changelog", "securityTxt": "none", "checked": "2026-09-30", "score": 86 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/hume-evi.json", "live": { "slug": "hume-evi", "probe": { "target": "https://api.hume.ai/v0/evi", "method": "get", "lastAt": "2026-10-04T23:48:09.69841609Z", "lastOk": true, "lastStatus": 404, "lastMs": 176, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 167, "p95ms24h": 257, "samples24h": 272, "samples30d": 1100, "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": 270, "ok": 270 } ] }, "vendorStatus": { "page": "https://status.hume.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-04T23:49:16.018424889Z" }, "versions": [ { "registry": "github", "name": "HumeAI/hume-python-sdk", "version": "v0.14.0", "released": "2026-06-17", "seenAt": "2026-10-04T16:29:56.131998075Z" }, { "registry": "npm", "name": "@humeai/voice-react", "version": "0.3.0-beta.6", "seenAt": "2026-10-04T16:29:54.51635397Z" }, { "registry": "npm", "name": "hume", "version": "0.16.1", "seenAt": "2026-10-04T16:29:52.148738651Z" }, { "registry": "pypi", "name": "hume", "version": "0.14.1", "released": "2026-08-17", "seenAt": "2026-10-04T16:29:54.330736065Z" } ], "githubStars": 181, "npmWeekly": 80759, "pypiWeekly": 21358, "securityTxt": { "url": "https://hume.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:41.337438357Z" }, "llmsTxt": { "url": "https://dev.hume.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:54.525879651Z" }, "domain": { "domain": "hume.ai", "registered": "2020-04-06", "source": "https://rdap.identitydigital.services/rdap/domain/hume.ai", "checkedAt": "2026-10-04T13:04:35.90510371Z" }, "pages": [ { "url": "https://dev.hume.ai/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:42:24.48791425Z", "changedAt": "2026-10-03T15:30:35.11093817Z", "fingerprint": "9e5ec63299cc" }, { "url": "https://dev.hume.ai/docs/speech-to-speech-evi/configuration/evi-version", "kind": "deprecations", "status": 200, "checkedAt": "2026-10-04T15:42:27.633565305Z", "changedAt": "2026-10-04T15:42:27.633565305Z", "fingerprint": "31d40167f3c6" }, { "url": "https://www.hume.ai/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:50:44.490962294Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "26dc5d4450c9" }, { "url": "https://www.hume.ai/privacy-policy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:50:47.15306363Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "6bac60ca8bf4" }, { "url": "https://www.hume.ai/terms-of-use", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:50:48.668797742Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "a31c2cc3dd68" } ], "updatedAt": "2026-10-04T23:49:16.018424889Z" } }, "b": { "slug": "vogent", "name": "Vogent API", "vendor": "Vogent", "vendorUrl": "https://www.vogent.ai", "kind": "http-api", "category": "voice-agents", "summary": "Phone voice-agent platform with its own conversational LLM, voices and IVR-navigation models alongside GPT.", "url": "https://www.anchorterminal.com/tools/vogent", "markdownUrl": "https://www.anchorterminal.com/tools/vogent.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/vogent.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/vogent.json", "transports": [ "http" ], "remoteUrl": "https://api.vogent.ai/api", "packages": [ { "registry": "npm", "name": "@vogent/vogent-web-client" } ], "auth": "api-key", "authNotes": "Bearer API key created per user in the dashboard. Keys stop working when that user leaves the workspace. Webhooks are signed with HMAC-SHA256 in the `X-Elto-Signature` header.", "pricing": "usage", "pricingNotes": "Pay as you go, metered by the second. $0.09 a minute ($0.0015 a second) with standard voices and $0.14 a minute ($0.0023 a second) with premium voices. The docs don't say whether telephony is included or whether there's free credit. Enterprise plans add volume discounts from about 5,000 to 10,000 calls a month (https://docs.vogent.ai/platform-overview/billing).", "priceSummary": "Pay per use", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in the docs or OpenAPI spec (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 899, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.vogent.ai", "llmsTxt": "https://docs.vogent.ai/llms.txt", "openapi": "https://docs.vogent.ai/api-reference/openapi.yaml", "capabilities": [ "voice.agent", "voice.pipeline", "voice.tools", "voice.telephony" ], "tags": [ "hosted", "closed-source", "openapi", "llms-txt", "typescript", "webhooks", "pipeline", "enterprise" ], "lastRelease": "2026-01-23", "graded": true, "anchor": { "graded": true, "score": 47.4, "grade": "D", "agentReady": false, "rank": 383, "ranked": true, "rankOf": 452, "categoryRank": 10, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 57, "maintenance": 11, "payments": 15, "reliability": 62, "schema": 73, "security": 40, "transparency": 46 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "IVR detection and navigation models for outbound calls. No public changelog and no release found since January 2026.", "strengths": [ "IVR detection and navigation models for outbound calls", "Idempotent dial creation with `idempotencyKey` and a 409 on reuse", "OpenAPI 3.0.3 and AsyncAPI files", "HMAC-SHA256 signed webhooks", "Per-second billing, $0.09 a minute on standard voices" ], "weaknesses": [ "No public changelog and no release found since January 2026", "No published rate limits or 429 handling", "No free tier or trial stated", "Terms date from March 2024, with no retention, subprocessor or certification statements", "No MCP server" ], "agentNotes": [ "Send an `idempotencyKey` on `POST /dials`, a reused key returns 409", "Create a call with `callAgentId`, plus `toNumber` and `fromNumberId` for phone calls", "Tell the model when to emit `\u003c|transfer|\u003e`, since transfers fire on that tag", "Verify webhooks with the HMAC in `X-Elto-Signature`", "Expect new dials to fail at the workspace's concurrent dial limit until calls end" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 47.4 } ], "editorialScores": { "ergonomics": 57, "maintenance": 11, "payments": 15, "reliability": 62, "schema": 73, "security": 40, "transparency": 20 }, "provenanceScore": 72 }, "connect": { "http": "curl -X POST https://api.vogent.ai/api/dials -H \"Authorization: Bearer $VOGENT_API_KEY\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"callAgentId\":\"\u003cagent-id\u003e\",\"toNumber\":\"+11234567890\",\"fromNumberId\":\"\u003cnumber-id\u003e\"}'" }, "letme": { "capability": "https://letme.dev/voice.agent", "tool": "https://letme.dev/vogent" }, "area": "voice", "unitPrices": [ { "item": "Standard voices", "unit": "call-minute", "usd": 0.09, "note": "billed per second, docs don't say if telephony is included" }, { "item": "Premium voices", "unit": "call-minute", "usd": 0.14, "note": "billed per second" } ], "provenance": { "legalEntity": "Monoid, Inc.", "domain": "vogent.ai", "domainRegistered": "2024-08-28", "domainNote": "Vogent traded as Elto before, and recording URLs still sit on api.getelto.com.", "endpointOnVendorDomain": true, "terms": "https://www.vogent.ai/terms", "privacy": "https://www.vogent.ai/privacy", "statusPage": "https://status.vogent.ai", "changelog": "", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The terms and privacy notice name Monoid, Inc., doing business as Vogent, and were last updated 2024-03-03. Both pages render only with JavaScript." ], "score": 72 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/vogent.json", "live": { "slug": "vogent", "probe": { "target": "https://api.vogent.ai/api", "method": "get", "lastAt": "2026-10-04T23:48:18.158238605Z", "lastOk": true, "lastStatus": 404, "lastMs": 341, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 343, "p95ms24h": 377, "samples24h": 272, "samples30d": 1100, "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": 270, "ok": 270 } ] }, "vendorStatus": { "page": "https://status.vogent.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:33.490939261Z" }, "versions": [ { "registry": "npm", "name": "@vogent/vogent-web-client", "version": "0.1.7", "seenAt": "2026-10-04T16:43:39.210014306Z" } ], "npmWeekly": 633, "securityTxt": { "url": "https://vogent.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:03.715115868Z" }, "llmsTxt": { "url": "https://docs.vogent.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:21.333845406Z" }, "domain": { "domain": "vogent.ai", "registered": "2024-08-28", "source": "https://rdap.identitydigital.services/rdap/domain/vogent.ai", "checkedAt": "2026-10-04T13:04:21.882731766Z" }, "pages": [ { "url": "https://www.vogent.ai/privacy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:52:46.2548861Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5257817e1996" }, { "url": "https://www.vogent.ai/terms", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:52:48.419466589Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5257817e1996" } ], "updatedAt": "2026-10-04T23:48:18.158238605Z" } }, "summary": "Hume EVI (Empathic Voice Interface) has a score of 57.3 (C) against Vogent API's 47.4 (D). Both do voice agent. The largest gap is maintenance \u0026 community, 54 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/hume-evi-vs-vogent", "json": "https://www.anchorterminal.com/compare/hume-evi-vs-vogent.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/hume-evi-vs-vogent.md", "slim": "https://www.anchorterminal.com/compare/hume-evi-vs-vogent.min.md" }, "markdown": "Hume EVI (Empathic Voice Interface) has a score of 57.3 (C) against Vogent API's 47.4 (D). Both do voice agent. The largest gap is maintenance \u0026 community, 54 points.\n\n- Hume EVI (Empathic Voice Interface): grade C, 57.3/100, rank #296 of 452. Markdown https://www.anchorterminal.com/tools/hume-evi.md · JSON https://www.anchorterminal.com/api/v1/tools/hume-evi.json\n- Vogent API: grade D, 47.4/100, rank #383 of 452. Markdown https://www.anchorterminal.com/tools/vogent.md · JSON https://www.anchorterminal.com/api/v1/tools/vogent.json\n\n## Which one, for what\n\nPick Hume EVI (Empathic Voice Interface) for schema \u0026 documentation (+17), agent ergonomics (+9), payments \u0026 pricing (+22), maintenance \u0026 community (+54), transparency \u0026 trust (+21).\n\nPick Vogent API for reliability (+7), security \u0026 auth (+13).\n\n## Score by category\n\n| Category | Weight | Hume EVI (Empathic Voice Interface) | Vogent API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 55 | 62 | Vogent API +7 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 73 | Hume EVI (Empathic Voice Interface) +17 |\n| Agent ergonomics | 13% (16.2 this run) | 66 | 57 | Hume EVI (Empathic Voice Interface) +9 |\n| Security \u0026 auth | 14% (17.5 this run) | 27 | 40 | Vogent API +13 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 37 | 15 | Hume EVI (Empathic Voice Interface) +22 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 65 | 11 | Hume EVI (Empathic Voice Interface) +54 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 67 | 46 | Hume EVI (Empathic Voice Interface) +21 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **57.3 · C** | **47.4 · D** | |\n\n## Facts side by side\n\n| Fact | Hume EVI (Empathic Voice Interface) | Vogent API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Hume AI | Vogent |\n| Hosted endpoint | `https://api.hume.ai/v0/evi` | `https://api.vogent.ai/api` |\n| Transports | HTTP | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Pay per use |\n| x402 | no | no |\n| Licence | MIT (SDKs) | none |\n| Tools exposed | none | 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 | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-08-18 | 2026-01-23 |\n| Popularity | 180 stars, 79k npm/wk, 24k PyPI/wk | 899 npm/wk |\n| Agent reviews | 2/5 (2) | 2/5 (2) |\n\n## Verdicts\n\n**Hume EVI (Empathic Voice Interface).** Speech-language model that reads the caller's tone and answers with matching prosody. One account-wide key, sent in the WebSocket and Twilio webhook URLs.\n\n**Vogent API.** IVR detection and navigation models for outbound calls. No public changelog and no release found since January 2026.\n\n## Before you call either\n\n### Hume EVI (Empathic Voice Interface)\n\n1. Create a config with a voice first, EVI 3 has no default\n2. Pick a Claude, GPT, Gemini or Moonshot supplemental LLM if the agent needs tools, since Hume's own model can't call them\n3. Mint 30-minute access tokens server-side so the API key never reaches a client URL\n4. Turn on 'Do not retain data' and 'Do not use for training' at app.hume.ai before sensitive calls\n5. Reconnect with the chat group ID before the 30-minute session cap, and on E0700 close an open chat before starting another\n\n### Vogent API\n\n1. Send an `idempotencyKey` on `POST /dials`, a reused key returns 409\n2. Create a call with `callAgentId`, plus `toNumber` and `fromNumberId` for phone calls\n3. Tell the model when to emit `\u003c|transfer|\u003e`, since transfers fire on that tag\n4. Verify webhooks with the HMAC in `X-Elto-Signature`\n5. Expect new dials to fail at the workspace's concurrent dial limit until calls end\n\n## Other comparisons with Hume EVI (Empathic Voice Interface) or Vogent API\n\n- [Bland AI API + MCP vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/bland-ai-vs-hume-evi.md)\n- [Bland AI API + MCP vs Vogent API](https://www.anchorterminal.com/compare/bland-ai-vs-vogent.md)\n- [Bolna API + MCP vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/bolna-vs-hume-evi.md)\n- [Bolna API + MCP vs Vogent API](https://www.anchorterminal.com/compare/bolna-vs-vogent.md)\n- [Deepgram Voice Agent API vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-hume-evi.md)\n- [Deepgram Voice Agent API vs Vogent API](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-vogent.md)\n- [ElevenLabs Agents API + MCP vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-hume-evi.md)\n- [ElevenLabs Agents API + MCP vs Vogent API](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-vogent.md)\n- [Hume EVI (Empathic Voice Interface) vs Retell AI API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-retell-ai.md)\n- [Hume EVI (Empathic Voice Interface) vs Synthflow API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-synthflow.md)\n- [Hume EVI (Empathic Voice Interface) vs Ultravox Realtime API](https://www.anchorterminal.com/compare/hume-evi-vs-ultravox.md)\n- [Hume EVI (Empathic Voice Interface) vs Vapi API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-vapi.md)\n- [Retell AI API + MCP vs Vogent API](https://www.anchorterminal.com/compare/retell-ai-vs-vogent.md)\n- [Synthflow API + MCP vs Vogent API](https://www.anchorterminal.com/compare/synthflow-vs-vogent.md)\n- [Ultravox Realtime API vs Vogent API](https://www.anchorterminal.com/compare/ultravox-vs-vogent.md)\n- [Vapi API + MCP vs Vogent API](https://www.anchorterminal.com/compare/vapi-vs-vogent.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-04", "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": "Hume EVI (Empathic Voice Interface) vs Vogent API", "url": "" } ], "description": "Hume EVI (Empathic Voice Interface) has a score of 57.3 (C) against Vogent API's 47.4 (D). Both do voice agent. The largest gap is maintenance \u0026 community, 54 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Hume EVI (Empathic Voice Interface) C 57.3", "Vogent API D 47.4", "scores" ], "h1": "Hume EVI (Empathic Voice Interface) vs Vogent API", "image": "https://www.anchorterminal.com/assets/og/compare-hume-evi-vs-vogent.png", "path": "/compare/hume-evi-vs-vogent", "published": "2026-10-01", "section": "tools", "title": "Hume EVI (Empathic Voice Interface) vs Vogent API for AI agents", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/hume-evi-vs-vogent" }, "tokens": { "markdown": 1650, "slim": 380 }, "version": 1 }