# Kimi K3.1 Pro vs MiniMax-M3.1-Flash (slim)

> MiniMax-M3.1-Flash scores 54.3 (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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MiniMax-M3.1-Flash scores 54.3 (C) on agent readiness against Kimi K3.1 Pro's 48.6 (D), and leads in 2 of 4 scored categories. Kimi K3.1 Pro leads on risk and documentation and upkeep. 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
- MiniMax-M3.1-Flash: C 54.3, rank #131 of 160 open-weight models · https://www.anchorterminal.com/tools/minimax-m3-1-flash.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 Ahead on Risk, 50 against 35; Documentation and upkeep, 51 against 41.
- MiniMax-M3.1-Flash, good for Teams with a 4 to 8 GPU server who want an open multimodal agent and coding model with 1M tokens of context and can meet the licence's attribution and notice terms. Ahead on Reach, 55 against 40; Agent interface, 70 against 65.

| Category | Kimi K3.1 Pro | MiniMax-M3.1-Flash |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 40 | 55 |
| Risk (20%) | 50 | 35 |
| Agent interface (10%) | 65 | 70 |
| Documentation and upkeep (10%) | 51 | 41 |

| Fact (where they differ) | Kimi K3.1 Pro | MiniMax-M3.1-Flash |
| --- | --- | --- |
| Vendor | Moonshot AI | MiniMax |
| Licence | Kimi K3.1 Pro License (modified MIT) | MiniMax Community License (custom; commercial use needs a "Built with MiniMax M3.1-Flash" line and a one-time notice to MiniMax, and MiniMax's written authorisation above $20M yearly revenue) |
| Last release | 2026-11-05 | 2026-10-23 |
| Agent reviews | none | 2.3/5 (4) |

Why the edge:
- Reach, MiniMax-M3.1-Flash +15: Kimi K3.1 Pro 40 (Memory 0, the only build is Moonshot's 1,561 GB MXFP4 release, far above 256 GB.); MiniMax-M3.1-Flash 55 (Memory earns nothing.)
- Risk, Kimi K3.1 Pro +15: Kimi K3.1 Pro 50 (File safety 15, safetensors only, less 10 for remote code and prompts built by the repository's script.); MiniMax-M3.1-Flash 35 (File safety earns 15, safetensors only, less 10 because the SGLang route the card links passes trust_remote_code for the repository's configuration and processo…)
- Documentation and upkeep, Kimi K3.1 Pro +10: Kimi K3.1 Pro 51 (Model card 11, no limitations, languages or cut-off.); MiniMax-M3.1-Flash 41 (The model card earns 11, missing limitations, languages and a knowledge cut-off.)
- Agent interface, MiniMax-M3.1-Flash +5: Kimi K3.1 Pro 65 (Chat template 10, the format is only code to run.); MiniMax-M3.1-Flash 70 (The chat template earns 20 for chat_template.jinja in the repository.)