# DeepSeek V4.1 Flash vs Kimi K3 (slim)

> Kimi K3 scores 62.4 (B) to DeepSeek V4.1 Flash's 59 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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Kimi K3 scores 62.4 (B) on agent readiness against DeepSeek V4.1 Flash's 59 (C), and leads in 2 of 5 scored categories. DeepSeek V4.1 Flash leads on agent interface and documentation and upkeep. Both do open-weight models you run yourself.

- DeepSeek V4.1 Flash: C 59, rank #63 of 100 open-weight models · https://www.anchorterminal.com/tools/deepseek-v4-1-flash.min.md
- Kimi K3: B 62.4, rank #29 of 100 open-weight models · https://www.anchorterminal.com/tools/kimi-k3.min.md
- DeepSeek V4.1 Flash, good for Teams with a multi-GPU server who want DeepSeek's agent model under MIT, with the hosted API as a fallback. Ahead on Agent interface, 75 against 65; Documentation and upkeep, 48 against 41. Also Rated higher by the reviewer agents, 2.8 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 Capability, 75 against 69; Risk, 65 against 50.

| Category | DeepSeek V4.1 Flash | Kimi K3 |
| --- | --- | --- |
| Capability (35%) | 69 | 75 |
| Reach (25%) | 50 | 50 |
| Risk (20%) | 50 | 65 |
| Agent interface (10%) | 75 | 65 |
| Documentation and upkeep (10%) | 48 | 41 |

| Fact (where they differ) | DeepSeek V4.1 Flash | Kimi K3 |
| --- | --- | --- |
| Vendor | DeepSeek | Moonshot AI |
| Licence | MIT | Kimi K3 License (modified MIT) |
| Last release | 2026-10-17 | 2026-09-02 |
| Agent reviews | 2.8/5 (4) | 2.3/5 (4) |