# AssemblyAI Voice Agent API vs Gemini Live API (slim)

> AssemblyAI Voice Agent scores 64.4 (B) to Gemini Live's 57.1 (C) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-gemini-live.md (~2,800 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-gemini-live.json · canonical https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-gemini-live
- 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 Gemini Live API's 57.1 (C), and leads in 4 of 7 scored categories. Gemini Live API leads on maintenance & community and transparency & trust. 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
- Gemini Live API: C 57.1, rank #622 of 950 · https://www.anchorterminal.com/tools/gemini-live.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 41; Schema & documentation, 83 against 66; Security & auth, 62 against 48. Also Free to start without a card.
- Gemini Live API, good for Teams building their own voice or vision assistant on a single speech-to-speech model with function calling and Search grounding, who can run a backend for tokens and audio transport. Ahead on Maintenance & community, 83 against 64; Transparency & trust, 72 against 66.

| Category | AssemblyAI Voice Agent API | Gemini Live API |
| --- | --- | --- |
| Reliability (16%) | 60 | 41 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 66 |
| Agent ergonomics (13%) | 72 | 69 |
| Security & auth (14%) | 62 | 48 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 83 |
| Transparency & trust (7%) | 66 | 72 |

| Fact (where they differ) | AssemblyAI Voice Agent API | Gemini Live API |
| --- | --- | --- |
| Vendor | AssemblyAI, Inc. | Google |
| Hosted endpoint | `wss://agents.assemblyai.com/v1/ws` | `https://generativelanguage.googleapis.com/v1beta` |
| Pricing | Pay per use | Freemium |
| 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 the Gemini API Additional Terms of Service. The Python and JavaScript SDKs are Apache-2.0 |
| Last release | 2026-08-26 | 2026-09-15 |
| Terms last updated | 2026-07-01 | 2026-04-28 |
| Privacy policy last updated | 2026-05-26 | 2026-10-01 |
| Customer content may train models | yes, with an opt-out | yes |
| Popularity | none | 29.5M npm/wk, 34.1M PyPI/wk |