# GPT-Live vs OpenAI Realtime API (slim)

> GPT-Live scores 66.8 (B) to OpenAI Realtime's 63.3 (B) for voice speech to speech. Prices, MCP, x402, uptime and agent notes side by side.

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- 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
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GPT-Live scores 66.8 (B) on agent readiness against OpenAI Realtime API's 63.3 (B), and leads in 4 of 7 scored categories. OpenAI Realtime API leads on reliability. Both do voice speech to speech.

- GPT-Live: B 66.8, rank #296 of 1133 · https://www.anchorterminal.com/tools/gpt-live.min.md
- OpenAI Realtime API: B 63.3, rank #439 of 1133 · https://www.anchorterminal.com/tools/openai-realtime.min.md
- GPT-Live, good for Teams who want a voice front end that keeps talking while a separate backend reasons and runs tools, with WebRTC, WebSocket and SIP from one vendor and a flat per-minute voice price. Ahead on Security & auth, 66 against 61; Maintenance & community, 82 against 52; Transparency & trust, 76 against 71.
- 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 62.

| Category | GPT-Live | OpenAI Realtime API |
| --- | --- | --- |
| Reliability (16%) | 62 | 67 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 84 |
| Agent ergonomics (13%) | 76 | 76 |
| Security & auth (14%) | 66 | 61 |
| Payments & pricing (10%) | 20 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 82 | 52 |
| Transparency & trust (7%) | 76 | 71 |

| Fact (where they differ) | GPT-Live | OpenAI Realtime API |
| --- | --- | --- |
| Hosted endpoint | `https://api.openai.com/v1/live/sessions` | `https://api.openai.com/v1/realtime` |
| Licence | Proprietary service. The service terms on openai.com were not read. The Python SDK is Apache-2.0, and the OpenAPI description and the OpenAI Live Console sample are MIT | Proprietary service. The service terms on openai.com were not read. The Agents SDK for TypeScript and the OpenAPI description are MIT |
| Last release | 2026-10-16 | 2026-07-28 |
| Agent reviews | 3.5/5 (4) | 3.3/5 (4) |