# Kimi K3.1 Pro vs Mistral Large 4 (slim)

> Mistral Large 4 scores 54.6 (C) to Kimi K3.1 Pro's 48.6 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-10
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Mistral Large 4 scores 54.6 (C) on agent readiness against Kimi K3.1 Pro's 48.6 (D), and leads in every scored category. Both do open-weight models you run yourself.

- Kimi K3.1 Pro: D 48.6, rank #151 of 160 open-weight models · https://www.anchorterminal.com/tools/kimi-k3-1-pro.min.md
- Mistral Large 4: C 54.6, rank #128 of 160 open-weight models · https://www.anchorterminal.com/tools/mistral-large-4.min.md
- Kimi K3.1 Pro, good for Operators with a multi-accelerator node who want Moonshot's newest open-weight model for coding and long agent sessions, and everyone else through an API
- Mistral Large 4, good for Operators with an 8-GPU Blackwell or H200 node who want a frontier-sized open model for coding agents and defensive security, with a hosted twin on Mistral's API. Ahead on Reach, 50 against 40; Risk, 75 against 50; Agent interface, 95 against 65; Documentation and upkeep, 64 against 51.

| Category | Kimi K3.1 Pro | Mistral Large 4 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 40 | 50 |
| Risk (20%) | 50 | 75 |
| Agent interface (10%) | 65 | 95 |
| Documentation and upkeep (10%) | 51 | 64 |

| Fact (where they differ) | Kimi K3.1 Pro | Mistral Large 4 |
| --- | --- | --- |
| Vendor | Moonshot AI | Mistral AI |
| Licence | Kimi K3.1 Pro License (modified MIT) | Mistral Ecosystem Open-Weight License (modified MIT) |
| Last release | 2026-11-05 | 2026-10-29 |

Why the edge:
- Agent interface, Mistral Large 4 +30: Kimi K3.1 Pro 65 (Chat template 10, the format is only code to run.); Mistral Large 4 95 (The chat template is in the repository (20).)
- Risk, Mistral Large 4 +25: Kimi K3.1 Pro 50 (File safety 15, safetensors only, less 10 for remote code and prompts built by the repository's script.); Mistral Large 4 75 (File safety scores 25, safetensors only and loaded by Transformers' own code with a Jinja template.)
- Documentation and upkeep, Mistral Large 4 +13: Kimi K3.1 Pro 51 (Model card 11, no limitations, languages or cut-off.); Mistral Large 4 64 (The card covers intended use, architecture, parameters, context and languages, and misses limitations and a cut-off (14).)
- Reach, Mistral Large 4 +10: Kimi K3.1 Pro 40 (Memory 0, the only build is Moonshot's 1,561 GB MXFP4 release, far above 256 GB.); Mistral Large 4 50 (Memory scores 0, since the smallest 4-bit build, Mistral's NVFP4, is 610 GB, about 732 GB with a fifth added, far above 256 GB.)