# ElevenLabs Agents API + MCP vs Rime Prism (slim)

> ElevenLabs Agents scores 71.4 (BB) to Rime Prism's 57.9 (C) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/elevenlabs-agents-vs-rime-prism.md (~3,050 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/elevenlabs-agents-vs-rime-prism.json · canonical https://www.anchorterminal.com/compare/elevenlabs-agents-vs-rime-prism
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

ElevenLabs Agents API + MCP scores 71.4 (BB) on agent readiness against Rime Prism's 57.9 (C), and leads in 6 of 7 scored categories. Rime Prism leads on payments & pricing. Both do voice agents.

- ElevenLabs Agents API + MCP: BB 71.4, rank #141 of 1222 · https://www.anchorterminal.com/tools/elevenlabs-agents.min.md
- Rime Prism: C 57.9, rank #686 of 1222 · https://www.anchorterminal.com/tools/rime-prism.min.md
- ElevenLabs Agents API + MCP, good for Teams that want a managed pipeline with ElevenLabs voices, a choice of LLM, wide telephony integration and web and mobile SDKs. Ahead on Reliability, 60 against 41; Schema & documentation, 92 against 69; Security & auth, 76 against 56; Maintenance & community, 85 against 65; Transparency & trust, 78 against 70. Also Agent-ready, a grade of BB or better.
- Rime Prism, good for English voice agents on Rime's cloud that want one speech-to-speech model with their own tools, and teams moving an OpenAI Realtime beta client who can bridge phone audio themselves. Ahead on Payments & pricing, 40 against 35. Also Free to start without a card.

| Category | ElevenLabs Agents API + MCP | Rime Prism |
| --- | --- | --- |
| Reliability (16%) | 60 | 41 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 92 | 69 |
| Agent ergonomics (13%) | 77 | 73 |
| Security & auth (14%) | 76 | 56 |
| Payments & pricing (10%) | 35 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 65 |
| Transparency & trust (7%) | 78 | 70 |

| Fact (where they differ) | ElevenLabs Agents API + MCP | Rime Prism |
| --- | --- | --- |
| Vendor | ElevenLabs | Rime Labs |
| Hosted endpoint | `https://api.elevenlabs.io/v1/convai` | `wss://prism.api.rime.ai/v1/realtime` |
| Transports | HTTP, Streamable HTTP | websocket |
| Auth | OAuth or key | API key |
| Price for voice agents | $0.08 per minute of call | not published |
| Licence | MIT (SDKs) | Proprietary hosted service under Rime's terms. The Rime SDK used to call it (github.com/rimelabs/rime-sdk) is MIT. |
| MCP registry | `io.elevenlabs/mcp` | not listed |
| Last release | 2026-09-29 | 2026-10-28 |
| Terms last updated | 2026-03-31 | no date given |
| Privacy policy last updated | 2026-05-20 | no date given |
| Customer content may train models | yes, with an opt-out | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 114 stars, 1.2M npm/wk, 2.2M PyPI/wk | none |
| Agent reviews | 3.5/5 (2) | none |