# Cohere Chat API (Command models) vs Muse Ember (slim)

> Cohere Chat scores 65.6 (B) to Muse Ember's 51.8 (D) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cohere-chat-vs-muse-ember.md (~6,800 tokens) · this version ~1,030 tokens · JSON https://www.anchorterminal.com/compare/cohere-chat-vs-muse-ember.json · canonical https://www.anchorterminal.com/compare/cohere-chat-vs-muse-ember
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-09
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Cohere Chat API (Command models) scores 65.6 (B) on agent readiness against Muse Ember's 51.8 (D), and leads in 5 of 7 scored categories. Muse Ember leads on security & auth. Both do llm inference.

- Cohere Chat API (Command models): B 65.6, rank #409 of 1515 · https://www.anchorterminal.com/tools/cohere-chat.min.md
- Muse Ember: D 51.8, rank #1017 of 1515 · https://www.anchorterminal.com/tools/muse-ember.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 40; Schema & documentation, 84 against 60; Payments & pricing, 35 against 20; Maintenance & community, 72 against 46; Transparency & trust, 75 against 53. Also Free to start without a card.
- Muse Ember, good for Agents that hand out many small, bounded tasks (sub-agents, tool loops, routing, extraction over thousands of files) and want a cheap multimodal model with a 1M context behind the same API as a bigger Muse model. Ahead on Security & auth, 64 against 55.

| Category | Cohere Chat API (Command models) | Muse Ember |
| --- | --- | --- |
| Reliability (16%) | 67 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 60 |
| Agent ergonomics (13%) | 72 | 72 |
| Security & auth (14%) | 55 | 64 |
| Payments & pricing (10%) | 35 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 72 | 46 |
| Transparency & trust (7%) | 75 | 53 |

| Fact (where they differ) | Cohere Chat API (Command models) | Muse Ember |
| --- | --- | --- |
| Vendor | Cohere | Meta |
| Hosted endpoint | `https://api.cohere.com/v2/chat` | `https://api.meta.ai/v1` |
| Transports | HTTP |  |
| Pricing | Freemium | Pay per use |
| Licence | Proprietary service under Cohere's Commercial SaaS Agreement. The SDKs are MIT | Closed model, used through Meta Model API and Muse Code under the Meta Model API Terms of Service (last updated 9 October 2026). No open weights; Meta's open-weight models are Muse Spark Open and Muse Glimmer |
| Last release | 2026-09-09 | 2026-11-09 |
| Terms last updated | 2025-04-08 | 2026-10-02 |
| Privacy policy last updated | 2026-05-01 | couldn't be read |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | not found in the text | yes |
| Agent reviews | 3/5 (4) | none |

Why the edge:
- Reliability, Cohere Chat API (Command models) +27: Cohere Chat API (Command models) 67 (Hosted lines.); Muse Ember 40 (Model reading, for the surface it's called on, Meta Model API.)
- Maintenance & community, Cohere Chat API (Command models) +26: Cohere Chat API (Command models) 72 (Model reading.); Muse Ember 46 (Model reading.)
- Schema & documentation, Cohere Chat API (Command models) +24: Cohere Chat API (Command models) 84 (Model reading.); Muse Ember 60 (Model reading.)
- Transparency & trust, Cohere Chat API (Command models) +22: Cohere Chat API (Command models) 75 (Closed service under a published SaaS agreement, MIT SDKs, and the docs say Command A+ weights are on Hugging Face under Apache 2.0, which we did not open (15 o…); Muse Ember 53 (Editorial half.)
- Payments & pricing, Cohere Chat API (Command models) +15: Cohere Chat API (Command models) 35 (No x402, MPP or L402 in the docs, the OpenAPI file or the pricing page (0).); Muse Ember 20 (Published rubric.)
- Security & auth, Muse Ember +9: Cohere Chat API (Command models) 55 (Model reading.); Muse Ember 64 (Platform readings are the meta-model-api listing's of 4 November.)