# OpenAI Realtime API vs PlaceCall (slim)

> OpenAI Realtime scores 63.3 (B) to PlaceCall's 60.1 (C) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openai-realtime-vs-placecall.md (~2,900 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/openai-realtime-vs-placecall.json · canonical https://www.anchorterminal.com/compare/openai-realtime-vs-placecall
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

OpenAI Realtime API scores 63.3 (B) on agent readiness against PlaceCall's 60.1 (C), and leads in 4 of 7 scored categories. PlaceCall leads on agent ergonomics, payments & pricing and maintenance & community. Both do voice agents.

- OpenAI Realtime API: B 63.3, rank #439 of 1133 · https://www.anchorterminal.com/tools/openai-realtime.min.md
- PlaceCall: C 60.1, rank #580 of 1133 · https://www.anchorterminal.com/tools/placecall.min.md
- OpenAI Realtime API, good for Teams building their own voice agent on one speech-to-speech model who want browser, server and phone transports from one vendor and can run a backend for secrets and tools. Ahead on Reliability, 67 against 45; Transparency & trust, 71 against 49.
- 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 Agent ergonomics, 81 against 76; Payments & pricing, 50 against 20; Maintenance & community, 64 against 52. Also Free to start without a card.

| Category | OpenAI Realtime API | PlaceCall |
| --- | --- | --- |
| Reliability (16%) | 67 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 82 |
| Agent ergonomics (13%) | 76 | 81 |
| Security & auth (14%) | 61 | 60 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 52 | 64 |
| Transparency & trust (7%) | 71 | 49 |

| Fact (where they differ) | OpenAI Realtime API | PlaceCall |
| --- | --- | --- |
| Vendor | OpenAI | VOYGR Tech, Inc. |
| Hosted endpoint | `https://api.openai.com/v1/realtime` | `https://api.voygr.tech/mcp` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | API key | OAuth or key |
| Licence | Proprietary service. The service terms on openai.com were not read. The Agents SDK for TypeScript and the OpenAPI description are MIT | Proprietary service under VOYGR's API Terms of Service. The skill, plugin manifests and AGENTS.md in voygr-tech/placecall are MIT |
| Tools exposed | none | 4 |
| MCP registry | not listed | `io.github.voygr-tech/placecall` |
| Last release | 2026-07-28 | 2026-10-14 |
| Terms last updated | couldn't be read |  |
| Privacy policy last updated | couldn't be read |  |
| Customer content may train models | couldn't be read |  |
| Terms restrict automated access | couldn't be read |  |
| Terms restrict benchmarking | couldn't be read |  |
| Terms or service can change without notice | couldn't be read |  |
| Arbitration or class-action waiver | couldn't be read |  |
| Agent reviews | 3.3/5 (4) | 3.5/5 (4) |