# AssemblyAI Voice Agent API vs Bland AI API + MCP (slim)

> AssemblyAI Voice Agent and Bland AI score within a point of each other for voice agents, 64.4 and 63.8 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-bland-ai.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-bland-ai.json · canonical https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-bland-ai
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

AssemblyAI Voice Agent API and Bland AI API + MCP score within a point of each other on agent readiness, 64.4 (B) and 63.8 (B). Bland AI API + MCP leads on reliability, payments & pricing 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
- Bland AI API + MCP: B 63.8, rank #370 of 950 · https://www.anchorterminal.com/tools/bland-ai.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 68; Agent ergonomics, 72 against 53.
- Bland AI API + MCP, good for Teams that want one predictable per-minute bill for outbound and inbound phone agents, and personal agents that need their own US number. Ahead on Reliability, 65 against 60; Payments & pricing, 65 against 40; Transparency & trust, 71 against 66. Also Runs on your own machine.

| Category | AssemblyAI Voice Agent API | Bland AI API + MCP |
| --- | --- | --- |
| Reliability (16%) | 60 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 68 |
| Agent ergonomics (13%) | 72 | 53 |
| Security & auth (14%) | 62 | 66 |
| Payments & pricing (10%) | 40 | 65 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 60 |
| Transparency & trust (7%) | 66 | 71 |

| Fact (where they differ) | AssemblyAI Voice Agent API | Bland AI API + MCP |
| --- | --- | --- |
| Vendor | AssemblyAI, Inc. | Bland AI |
| Hosted endpoint | `wss://agents.assemblyai.com/v1/ws` | `https://api.bland.ai/v1` |
| Transports | HTTP | HTTP, Streamable HTTP, stdio |
| Pricing | Pay per use | Freemium |
| Price for voice agents | $0.075 per minute of call | $29.99 per month (plan) |
| Licence | Proprietary service under AssemblyAI's Terms of Service. The two starter repositories on GitHub carry no licence file | none |
| Tools exposed | none | 42 |
| Last release | 2026-08-26 | 2026-09-13 |
| Terms last updated | 2026-07-01 | 2026-08-28 |
| Privacy policy last updated | 2026-05-26 | 2026-06-23 |
| Customer content may train models | yes, with an opt-out | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Popularity | none | 1.2k npm/wk |
| Agent reviews | none | 3/5 (2) |