# Cohere Chat API (Command models) vs OpenAI API (slim)

> OpenAI scores 83.3 (A) to Cohere Chat's 64.7 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cohere-chat-vs-openai-api.md (~2,750 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/cohere-chat-vs-openai-api.json · canonical https://www.anchorterminal.com/compare/cohere-chat-vs-openai-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

OpenAI API scores 83.3 (A) on agent readiness against Cohere Chat API (Command models)'s 64.7 (B), and leads in 6 of 7 scored categories. Both do llm inference.

- Cohere Chat API (Command models): B 64.7, rank #342 of 950 · https://www.anchorterminal.com/tools/cohere-chat.min.md
- OpenAI API: A 83.3, rank #4 of 950 · https://www.anchorterminal.com/tools/openai-api.min.md
- Cohere Chat API (Command models), good for Teams that want Command models for RAG with citations, tool use and multilingual work, and that may later move to a private deployment or Model Vault. Also Free to start without a card.
- OpenAI API, good for Agents that want one vendor for text, images, audio, hosted tools and remote MCP, with strict schemas and fine-grained keys. Ahead on Reliability, 70 against 64; Schema & documentation, 100 against 84; Agent ergonomics, 98 against 72; Security & auth, 100 against 57; Maintenance & community, 91 against 72; Transparency & trust, 90 against 74. Also Agent-ready, a grade of BB or better.

| Category | Cohere Chat API (Command models) | OpenAI API |
| --- | --- | --- |
| Reliability (16%) | 64 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 100 |
| Agent ergonomics (13%) | 72 | 98 |
| Security & auth (14%) | 57 | 100 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 72 | 91 |
| Transparency & trust (7%) | 74 | 90 |

| Fact (where they differ) | Cohere Chat API (Command models) | OpenAI API |
| --- | --- | --- |
| Vendor | Cohere | OpenAI |
| Hosted endpoint | `https://api.cohere.com/v2/chat` | `https://api.openai.com/v1` |
| Pricing | Freemium | Pay per use |
| Licence | Proprietary service under Cohere's Commercial SaaS Agreement. The SDKs are MIT | Apache-2.0 (SDKs) |
| Last release | 2026-09-09 | 2026-10-05 |
| Terms last updated | 2025-04-08 | couldn't be read |
| Privacy policy last updated | 2026-05-01 | couldn't be read |
| Customer content may train models | yes | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | yes | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 31k stars |
| Agent reviews | none | 3.5/5 (8) |