Devstral — Mistral AI 的本地 AI 模型

作者: Jakub Rusinowski · 最后更新:

Mistral AI's coding specialists, spanning both generations. The original Devstral Small 2505 posts 46.8% on SWE-Bench Verified; its December 2025 successor Devstral Small 2 lifts that to 68.0% at the same 24B, which is the local-agent sweet spot — about 15 GB at Q4_K_M on one consumer card. The 123B flagship reaches 71.6%. Built for agentic software engineering: multi-file editing, repo navigation, and test-driven development. Apache 2.0 throughout.

变体

Devstral 最小的变体在 Q4_K_M 下约需 14 GB 显存——量化权重加框架开销,不含 KV 缓存。

模型显存
Devstral-2 123B →
123B
~75.1 GB
Devstral 2 22B
22B
~14.1 GB
Devstral Small 2505 24B →
24B
~15.3 GB
Devstral Small 2 24B →
24B
~15.3 GB

显存为 Q4_K_M 下的量化权重加开销,与 GPU 与显存检测器使用同一引擎计算。

如何在本地运行 Devstral

安装 Ollama,然后拉取标签。

ollama run devstral:123b

在上方选择一个尺寸,查看它自己的显存、速度估算和安装命令。

许可证

Apache-2.0允许商业使用

Commercial use permitted. No usage restrictions beyond attribution.

适用于: Devstral-2 123B, Devstral 2 22B, Devstral Small 2505 24B, Devstral Small 2 24B

推荐 GPU

目录中能在本地运行 Devstral(至少 14 GB 显存)的最便宜 GPU 是 AMD Radeon RX 9060 XT 16GB (16 GB).

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AMD Radeon RX 9060 XT 16GB
16 GB VRAM · 160 W board power
2026年价格波动较大——请以当前商品页价格为准。

我的 GPU 能运行 Devstral 吗?

Devstral — 常见问题

How much VRAM does Devstral need?

Devstral needs about 14 GB VRAM at Q4_K_M quantization for its smallest variant. Variants: Devstral-2 123B (75 GB, Q4_K_M); Devstral 2 22B (14 GB, Q4_K_M); Devstral Small 2505 24B (15 GB, Q4_K_M); Devstral Small 2 24B (15 GB, Q4_K_M). On Apple Silicon, unified memory counts toward this requirement.

Can I run Devstral on an RTX 4090 (24 GB)?

Yes — Devstral runs on an RTX 4090 (24 GB) and other 24 GB cards such as the RTX 3090. Smaller variants also fit comfortably on 8–16 GB GPUs at Q4_K_M.

What quantization should I use for Devstral?

Q4_K_M is the best balance of quality and VRAM for Devstral in most cases. Choose Q8_0 for near-lossless quality if you have spare VRAM, or smaller quants (Q3/Q2) only when memory is tight.

How do I run Devstral with Ollama?

Install Ollama, then run: ollama run devstral:123b. This downloads Devstral and starts a local, OpenAI-compatible endpoint — no internet connection is needed after the initial download.