Mistral Medium 3.1
Aug 2025
Retired 2026-08-31Replace withMistral Medium 3.5Newer version
MiMo v2.6 ProCheaper, as good
GPT-6 LunaBetter
Mistral Medium 3.5Newer versionMiMo v2.6 ProCheaper, as goodGPT-6 LunaBetterMistral Medium 3.1Compare inon
Benchmarks of Mistral Medium 3.142
BenchmarkByScoreRank
Overall1
Knowledge4
Science3
Coding3
Agents4
Multimodal2
Writing18
Health & law1
Documents2
Legacy · saturated or no longer reported4
No benchmark matches
Rankingin non-thinking mode?
Retired models are left out of the current rankings.
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperMiMo v2.6 ProthinkingOpen×5-32%$0.13Pass back reasoning_content+3BetterGPT-6 Lunalow×2.3-75%$0.005Function calling only with none · Chat Completions+3
CheaperDeepSeek V4.1 Flash 1017maxOpen×4.9-34%$0.26Pass back reasoning_content · Chat Completions+4
CheaperClaude Haiku 5.5max×4.7-75%$0.21Remove sampling parameters+5
CheaperMiniMax M3.1 Flashthinking×4.6-67%$0.22Complete model response must be appendedModelScoreCostPer taskWhat changes
MiMo v2.6 ProthinkingOpen×5-32%$0.13Pass back reasoning_content+3DeepSeek V4.1 Flash 1017maxOpen×4.9-34%$0.26Pass back reasoning_content · Chat Completions+4Claude Haiku 5.5max×4.7-75%$0.21Remove sampling parameters+5MiniMax M3.1 Flashthinking×4.6-67%$0.22Complete model response must be appended
GLM 5.3 FlashmaxOpen×4.6-70%$0.28Defaults to max · Self-hosted+4ModelScoreCostPer taskWhat changes
GPT-6 Lunalow×2.3-75%$0.005Function calling only with none · Chat Completions+3GPT-5.6 Lunalow×2.3-44%$0.01Mistral Small 4thinkingOpen+23%-67%$0.015MiMo v2.5thinkingOpen×2.4-78%$0.019Claude Haiku 5.5low×3.2-75%$0.024Remove sampling parameters+5ModelScoreCostPer taskWhat changes
MiMo v2.6 ProthinkingOpen×5-32%$0.13Pass back reasoning_content+3DeepSeek V4.1 Flash 1017maxOpen×4.9-34%$0.26Pass back reasoning_content · Chat Completions+4GLM 5.3maxOpen×4.9+169%$2.01No image input+4
Step 5 PreviewthinkingOpen×4.8+78%$1.03web_search not available · Chat Completions+2
Kimi K3maxOpen×4.7+650%$2.00Sampling parameters are fixed+3ModelScoreCostPer taskWhat changes
Mistral Large 4thinking×4.2—$1.13Infinite whitespace stream+4Mistral Medium 3.5highOpen+54%—$0.50Mistral Small 4thinkingOpen+23%—$0.015Mistral Large 3non-thinkingOpensame—$0.031Magistral Medium 1thinkingsame——Context: 131K → 40K+1Devstral Mediumnon-thinkingOpensame—$0.40 / $2Context: 131K → 128K+1Magistral Small 1thinkingOpensame—$0.70 / $1.16Context: 131K → 128K+1Mistral Small 3non-thinkingOpen-27%—$0.05 / $0.08Context: 131K → 32K+1All Mistral models →History
3 versionsBenchmarks
all categoriesChat & Knowledge
AA Omniscience Index-46.3
GPQA Diamond58.8
Coding
SciCode32.4
Agents & Tool Use
τ²-bench · AA40.6
Writing & Language
Vision & Documents
FAQ
How much does Mistral Medium 3.1 cost?›
$0.40 per 1M input tokens and $2 per 1M output tokens; cached input $0.04 per 1M.
Is Mistral Medium 3.1 free to use?›
There is no free API; the cheapest paid price is $0.40 per 1M input tokens.
How can I use Mistral Medium 3.1?›
Through the API of Mistral.
What is the context window of Mistral Medium 3.1?›
131K tokens, with up to 105K output tokens.
When was Mistral Medium 3.1 released? Is there a newer version?›
Released 2025-08-12. It has been superseded by Mistral Medium 3.5.
Is Mistral Medium 3.1 open source?›
No, Mistral Medium 3.1 is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
Can Mistral Medium 3.1 read images?›
It accepts text and images, PDF files as input.
What is Mistral Medium 3.1?›
Mistral Medium 3.1 is a closed language model from Mistral, released Aug 2025.
What are the best alternatives to Mistral Medium 3.1?›
MiMo v2.6 Pro (cheaper), GPT-6 Luna (better).