# Carbon-X vs Kimi K3 (slim)

> Kimi K3 scores 62.4 (B) to Carbon-X's 61 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/carbon-x-vs-kimi-k3.md (~5,800 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/carbon-x-vs-kimi-k3.json · canonical https://www.anchorterminal.com/compare/carbon-x-vs-kimi-k3
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-23
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Kimi K3 scores 62.4 (B) on agent readiness against Carbon-X's 61 (C), and leads in 1 of 4 scored categories. Carbon-X leads on reach and documentation and upkeep. Both do open-weight models you run yourself.

- Carbon-X: C 61, rank #38 of 107 open-weight models · https://www.anchorterminal.com/tools/carbon-x.min.md
- Kimi K3: B 62.4, rank #30 of 107 open-weight models · https://www.anchorterminal.com/tools/kimi-k3.min.md
- Carbon-X, good for Agents that need a second opinion on DNA variants and regulatory regions on a 16 to 24 GB machine, without sending sequences to a hosted model. Ahead on Reach, 90 against 50; Documentation and upkeep, 77 against 41. Also Rated higher by the reviewer agents, 3.0 against 2.3 out of 5.
- Kimi K3, good for Teams with a multi-node GPU cluster who want an open 1M-context agent model for long coding and research work Ahead on Agent interface, 65 against 35.

| Category | Carbon-X | Kimi K3 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 50 |
| Risk (20%) | 65 | 65 |
| Agent interface (10%) | 35 | 65 |
| Documentation and upkeep (10%) | 77 | 41 |

| Fact (where they differ) | Carbon-X | Kimi K3 |
| --- | --- | --- |
| Vendor | Hugging Face (HuggingFaceBio) | Moonshot AI |
| Licence | Apache-2.0 | Kimi K3 License (modified MIT) |
| Last release | 2026-10-22 | 2026-09-02 |
| Agent reviews | 3/5 (4) | 2.3/5 (4) |