Mistral Medium 3.5

Mistral AI llm

Dense open-weight frontier-class model optimised for agentic and coding use, previously an API-only tier.

overall ⌄

55.6

29 of 93 ranked

price · $/M tokens

1.5 / 7.5

in / out, as of 2026-07-25

to run it yourself ⌄

77 GB

minimum · 307 GB recommended

Benchmarks

What its maker published, and what anyone else measured. Every figure links the document it came from.

benchmarkpublishedmeasured
SWE-bench77.6

Cheaper, and at least as good

On a 1,000-in, 1,000-out call these cost less and rank no lower — a hard comparison to argue with, and a narrow one. Value covers what it misses.

DeepSeek V4-Flash DeepSeek$0.00042overall 59.3
DeepSeek V4-Pro DeepSeek$0.00130overall 68.3
MiniMax M3 MiniMax$0.00150overall 65.1
Kimi K2.5 Moonshot AI$0.00360overall 58.8
Qwen3.5 397B A17B Alibaba$0.00420overall 63.7

Lineage

No recorded lineage — root or standalone model.

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Metadata

orgMistral AI
released2026-04-28
params128B
licensemodified-mit
hf idmistralai/Mistral-Medium-3.5-128B