# AssemblyAI Voice Agent API vs Vocily AI (slim)

> AssemblyAI Voice Agent scores 64.4 (B) to Vocily AI's 53.8 (D) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vocily.md (~2,650 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vocily.json · canonical https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vocily
- 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 Vocily AI's 53.8 (D), and leads in 4 of 7 scored categories. Vocily AI leads on schema & documentation and agent ergonomics. 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
- Vocily AI: D 53.8, rank #701 of 950 · https://www.anchorterminal.com/tools/vocily.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 Reliability, 60 against 40; Security & auth, 62 against 46; Transparency & trust, 66 against 47. Also Free to start without a card; No incidents deducted, where Vocily AI loses 5 points for them.
- Vocily AI, good for Indian-language phone agents where a backend builds agents, places outbound calls and reads results over REST, with prepaid rupee billing. Ahead on Schema & documentation, 90 against 83; Agent ergonomics, 84 against 72.

| Category | AssemblyAI Voice Agent API | Vocily AI |
| --- | --- | --- |
| Reliability (16%) | 60 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 90 |
| Agent ergonomics (13%) | 72 | 84 |
| Security & auth (14%) | 62 | 46 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 61 |
| Transparency & trust (7%) | 66 | 47 |

| Fact (where they differ) | AssemblyAI Voice Agent API | Vocily AI |
| --- | --- | --- |
| Vendor | AssemblyAI, Inc. | Vocily AI Private Limited |
| Hosted endpoint | `wss://agents.assemblyai.com/v1/ws` | `https://api.vocily.ai` |
| 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 | Proprietary service under Vocily's terms of service. No open-source code or published package was found |
| Last release | 2026-08-26 | 2026-09-30 |
| Terms last updated | 2026-07-01 | 2026-06-10 |
| Privacy policy last updated | 2026-05-26 | 2026-09-03 |
| Customer content may train models | yes, with an opt-out | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |