# PlaceCall vs Rime Prism (slim)

> PlaceCall scores 60.4 (C) 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/placecall-vs-rime-prism.md (~2,850 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/placecall-vs-rime-prism.json · canonical https://www.anchorterminal.com/compare/placecall-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)

PlaceCall scores 60.4 (C) on agent readiness against Rime Prism's 57.9 (C), and leads in 5 of 7 scored categories. Rime Prism leads on transparency & trust. Both do voice agents.

- PlaceCall: C 60.4, rank #590 of 1222 · https://www.anchorterminal.com/tools/placecall.min.md
- Rime Prism: C 57.9, rank #686 of 1222 · https://www.anchorterminal.com/tools/rime-prism.min.md
- PlaceCall, good for An agent that needs a phone call to a US business done for it, such as checking stock, hours or a quote, or booking and cancelling, with an outcome and transcript at the end. Ahead on Schema & documentation, 82 against 69; Agent ergonomics, 81 against 73; Payments & pricing, 50 against 40.
- 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 Transparency & trust, 70 against 52.

| Category | PlaceCall | Rime Prism |
| --- | --- | --- |
| Reliability (16%) | 45 | 41 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 69 |
| Agent ergonomics (13%) | 81 | 73 |
| Security & auth (14%) | 60 | 56 |
| Payments & pricing (10%) | 50 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 65 |
| Transparency & trust (7%) | 52 | 70 |

| Fact (where they differ) | PlaceCall | Rime Prism |
| --- | --- | --- |
| Vendor | VOYGR Tech, Inc. | Rime Labs |
| Hosted endpoint | `https://api.voygr.tech/mcp` | `wss://prism.api.rime.ai/v1/realtime` |
| Transports | HTTP, Streamable HTTP | websocket |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| Licence | Proprietary service under VOYGR's API Terms of Service. The skill, plugin manifests and AGENTS.md in voygr-tech/placecall are MIT | Proprietary hosted service under Rime's terms. The Rime SDK used to call it (github.com/rimelabs/rime-sdk) is MIT. |
| Tools exposed | 4 | none |
| MCP registry | `io.github.voygr-tech/placecall` | not listed |
| Last release | 2026-10-14 | 2026-10-28 |
| Terms last updated |  | no date given |
| Privacy policy last updated |  | no date given |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Agent reviews | 3.5/5 (4) | none |