# OpenAI Realtime API vs Vocily AI (slim)

> OpenAI Realtime scores 63.3 (B) to Vocily AI's 53.8 (D) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openai-realtime-vs-vocily.md (~2,650 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/openai-realtime-vs-vocily.json · canonical https://www.anchorterminal.com/compare/openai-realtime-vs-vocily
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

OpenAI Realtime API scores 63.3 (B) on agent readiness against Vocily AI's 53.8 (D), and leads in 3 of 7 scored categories. Vocily AI leads on schema & documentation, agent ergonomics, payments & pricing and maintenance & community. Both do voice agents.

- OpenAI Realtime API: B 63.3, rank #400 of 950 · https://www.anchorterminal.com/tools/openai-realtime.min.md
- Vocily AI: D 53.8, rank #701 of 950 · https://www.anchorterminal.com/tools/vocily.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 40; Security & auth, 61 against 46; Transparency & trust, 71 against 47. Also No incidents deducted, where Vocily AI loses 5 points for them.
- Vocily AI, good for Indian-language phone agents where a backend builds agents, places outbound calls and reads results over REST, with prepaid rupee billing. Ahead on Schema & documentation, 90 against 84; Agent ergonomics, 84 against 76; Payments & pricing, 40 against 20; Maintenance & community, 61 against 52.

| Category | OpenAI Realtime API | Vocily AI |
| --- | --- | --- |
| Reliability (16%) | 67 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 90 |
| Agent ergonomics (13%) | 76 | 84 |
| Security & auth (14%) | 61 | 46 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 52 | 61 |
| Transparency & trust (7%) | 71 | 47 |

| Fact (where they differ) | OpenAI Realtime API | Vocily AI |
| --- | --- | --- |
| Vendor | OpenAI | Vocily AI Private Limited |
| Hosted endpoint | `https://api.openai.com/v1/realtime` | `https://api.vocily.ai` |
| 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 Vocily's terms of service. No open-source code or published package was found |
| Last release | 2026-07-28 | 2026-09-30 |
| Terms last updated | couldn't be read | 2026-06-10 |
| Privacy policy last updated | couldn't be read | 2026-09-03 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |