# AssemblyAI Voice Agent API vs Vogent API (slim)

> AssemblyAI Voice Agent scores 64.4 (B) to Vogent's 47.1 (D) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vogent.md (~2,500 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vogent.json · canonical https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vogent
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

AssemblyAI Voice Agent API scores 64.4 (B) on agent readiness against Vogent API's 47.1 (D), and leads in 6 of 7 scored categories. Both do voice agents.

- AssemblyAI Voice Agent API: B 64.4, rank #351 of 950 · https://www.anchorterminal.com/tools/assemblyai-voice-agent.min.md
- Vogent API: D 47.1, rank #838 of 950 · https://www.anchorterminal.com/tools/vogent.min.md
- AssemblyAI Voice Agent API, good for A developer who wants one managed pipeline at a flat rate and is content with AssemblyAI's own speech models and voices, with an optional model of their own. Ahead on Schema & documentation, 83 against 73; Agent ergonomics, 72 against 57; Security & auth, 62 against 40; Payments & pricing, 40 against 15; Maintenance & community, 64 against 11; Transparency & trust, 66 against 43. Also Free to start without a card.
- Vogent API, good for Outbound calling that has to navigate IVRs in English or Spanish, in the US, Canada and the UK.

| Category | AssemblyAI Voice Agent API | Vogent API |
| --- | --- | --- |
| Reliability (16%) | 60 | 62 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 73 |
| Agent ergonomics (13%) | 72 | 57 |
| Security & auth (14%) | 62 | 40 |
| Payments & pricing (10%) | 40 | 15 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 11 |
| Transparency & trust (7%) | 66 | 43 |

| Fact (where they differ) | AssemblyAI Voice Agent API | Vogent API |
| --- | --- | --- |
| Vendor | AssemblyAI, Inc. | Vogent |
| Hosted endpoint | `wss://agents.assemblyai.com/v1/ws` | `https://api.vogent.ai/api` |
| Price for voice agents | $0.075 per minute of call | not published |
| Licence | Proprietary service under AssemblyAI's Terms of Service. The two starter repositories on GitHub carry no licence file | none |
| Last release | 2026-08-26 | 2026-01-23 |
| Terms last updated | 2026-07-01 | couldn't be read |
| Privacy policy last updated | 2026-05-26 | couldn't be read |
| Customer content may train models | yes, with an opt-out | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 899 npm/wk |
| Agent reviews | none | 2/5 (2) |