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Mistral Medium 3.1

Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost.

text + image + file → text · made by Mistral AI

$0.4→$2per Mtok in / out
Nous Research · 4 sellers

Sold by 10 ways

SellerLaneRate
Nous Research 2 ways$0.4per Mtok in$2per Mtok out$0.04per Mtok cached
Nous Research aggregatorbatch$0.2per Mtok in$1per Mtok out$0.02per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
Nous Research aggregatorstandard$0.4per Mtok in$2per Mtok out$0.04per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
OpenRouter 5 ways$0.4per Mtok in$2per Mtok out$0.04per Mtok cached
OpenRouter aggregatorbatch$0.2per Mtok in$1per Mtok out$0.02per Mtok cachedopenrouter.ai · read 2026-09-10
OpenRouter aggregatorstandard$0.4per Mtok in$2per Mtok out$0.04per Mtok cachedopenrouter.ai · read 2026-08-24
OpenRouter aggregatormistral$0.4per Mtok in$2per Mtok out$0.04per Mtok cachedopenrouter.ai · read 2026-11-01
OpenRouter aggregatormistral/zdr$0.4per Mtok in$2per Mtok out$0.04per Mtok cachedopenrouter.ai · read 2026-11-01
OpenRouter aggregatormistral/eu$0.44per Mtok in$2.2per Mtok out$0.044per Mtok cachedopenrouter.ai · read 2026-08-25
Vercel AI Gateway 0 ways$0.4per Mtok in$2per Mtok out
Vercel AI Gateway aggregatornot on the seller's list todaystandard$0.4per Mtok in$2per Mtok outai-gateway.vercel.sh · read 2026-08-25
Requesty aggregatormistral$0.44per Mtok in$2.2per Mtok out$0.44per Mtok cachedrouter.requesty.ai · read 2026-08-28
ElectronHub aggregatorstandard$1.5per Mtok in$7.5per Mtok outapi.electronhub.ai · read 2026-11-01

Measured 8 standings

PlaceBoardMetricScore
93rdof 94Design Arena · asciiart (models)Elo995
110thof 154Design Arena · dataviz (models)Elo1144
111thof 114Design Arena · svg (models)Elo989
113thof 150Design Arena · 3d (models)Elo1078
125thof 163Design Arena · codecategories (models)Elo1118
125thof 157Design Arena · uicomponent (models)Elo1094
133rdof 162Design Arena · gamedev (models)Elo1074
337thof 414LMArena · TextScore (Elo) (medium)1223

About

Mistral Medium 3.1 — a text model from Mistral AI, sold by 4 companies from $0.4 in and $2 out per million tokens, placed 110th of 154 on Design Arena · dataviz (models).

It takes text, images and files and returns text, with a context window of 131,072 tokens. It was published in August 2025, trained on material up to June 2025. Its sellers say it can call a tool. The catalogue files it under chat. Four companies sell it. The cheapest is $0.4 in and $2 out per million tokens at Nous Research. Beside the standard rate there are batch, separately routed and regional lanes. It has been measured on 8 boards, and stands best at 110th of 154 on Design Arena · dataviz (models).

Every current figure

Maker
Mistral AI
Register
model
Takes
text + image + file
Returns
text
Context
131,072 tokens
Published
August 2025
Knowledge to
June 2025
Licence
not read
Sellers
4
Maker's own price
not read
Price
$0.4 in and $2 out per million tokens — Nous Research
Boards
8
Best place
110th of 154 — Design Arena · dataviz (models)

Known as 3 names

mistralai/mistral-medium-3.1mistral/mistral-medium-latestmistral/mistral-medium