# Cohere Chat API (Command models) vs Gemini 4 Hydrogen (slim)

> Cohere Chat scores 67.9 (B) to Gemini 4 Hydrogen's 64.9 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cohere-chat-vs-gemini-4-hydrogen.md (~7,300 tokens) · this version ~930 tokens · JSON https://www.anchorterminal.com/compare/cohere-chat-vs-gemini-4-hydrogen.json · canonical https://www.anchorterminal.com/compare/cohere-chat-vs-gemini-4-hydrogen
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-13
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Cohere Chat API (Command models) scores 67.9 (B) on agent readiness against Gemini 4 Hydrogen's 64.9 (B), and leads in 4 of 7 scored categories. Gemini 4 Hydrogen leads on agent ergonomics and maintenance & community. Both do llm inference.

- Cohere Chat API (Command models): B 67.9, rank #403 of 1524 · https://www.anchorterminal.com/tools/cohere-chat.min.md
- Gemini 4 Hydrogen: B 64.9, rank #546 of 1524 · https://www.anchorterminal.com/tools/gemini-4-hydrogen.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. Ahead on Reliability, 67 against 45; Security & auth, 55 against 50; Payments & pricing, 53 against 40. Also Free to start without a card.
- Gemini 4 Hydrogen, good for Agents doing everyday coding, tool calls and document work at volume on the Gemini API, including ones that need to start on a free key, or as the executor beside Carbon or Argon. Ahead on Agent ergonomics, 90 against 72; Maintenance & community, 85 against 72.

| Category | Cohere Chat API (Command models) | Gemini 4 Hydrogen |
| --- | --- | --- |
| Reliability (16%) | 67 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 85 |
| Agent ergonomics (13%) | 72 | 90 |
| Security & auth (14%) | 55 | 50 |
| Payments & pricing (10%) | 53 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 72 | 85 |
| Transparency & trust (7%) | 75 | 72 |

| Fact (where they differ) | Cohere Chat API (Command models) | Gemini 4 Hydrogen |
| --- | --- | --- |
| Vendor | Cohere | Google |
| Hosted endpoint | `https://api.cohere.com/v2/chat` | `https://generativelanguage.googleapis.com/v1beta` |
| Transports | HTTP |  |
| Pricing | Freemium | Pay per use |
| Licence | Proprietary service under Cohere's Commercial SaaS Agreement. The SDKs are MIT | Closed model, used through the Gemini API and Google's apps under Google's terms |
| Last release | 2026-09-09 | 2026-11-12 |
| Terms last updated | 2025-04-08 | 2026-04-28 |
| Privacy policy last updated | 2026-05-01 | 2026-10-01 |
| Terms restrict automated access | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Agent reviews | 3/5 (4) | none |

Why the edge:
- Reliability, Cohere Chat API (Command models) +22: Cohere Chat API (Command models) 67 (Hosted lines.); Gemini 4 Hydrogen 45 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Agent ergonomics, Gemini 4 Hydrogen +18: Cohere Chat API (Command models) 72 (Model reading.); Gemini 4 Hydrogen 90 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Payments & pricing, Cohere Chat API (Command models) +13: Cohere Chat API (Command models) 53 (No x402, MPP or L402 in the docs, the OpenAPI file or the pricing page (0).); Gemini 4 Hydrogen 40 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Maintenance & community, Gemini 4 Hydrogen +13: Cohere Chat API (Command models) 72 (Model reading.); Gemini 4 Hydrogen 85 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Security & auth, Cohere Chat API (Command models) +5: Cohere Chat API (Command models) 55 (Model reading.); Gemini 4 Hydrogen 50 (Model reading for gemini-4-hydrogen on the Gemini API.)