Mistral Medium 3.5

By Mistral. 3 results on 3 boards, copied as published. Different boards, different metrics: don't add them up.

License (as listed)Modified MIT
Hosting regionNot confirmed
Boards3
Code
  • 66.4%Vals AI — SWE-bench Verified

    Mistral Medium 3.5 · % resolved · board #72

    Mini-SWE-agent · as of 2026-09-01 Stale ↗

Agentic / terminal

No result on the boards we captured

Websites
  • 1264LMArena WebDev Arena

    mistral-medium-3.5 · Arena score · board #135

    LMArena WebDev (agentic front-end tasks) · as of 2026-10-22 ↗

  • 2.89%Vals AI Vibe Code Bench v1.1

    Mistral Medium 3.5 · Score % · board #112

    OpenHands · as of 2026-10-20 ↗

Design

No result on the boards we captured

Android

No result on the boards we captured

iOS

No mature public leaderboard

Available in

No plan row in our pricing data names this model version.

Use cases with this model

No sourced use case names this exact model version.

Same family: Mistral/Devstral 10

Mistral/Devstral familyModel test

"Mistral and Inkling do not do very well (both are run in opencode)" (WeirdML v3)

Builder
@htihle
Posted
Plan
—
Cost
Not disclosed

x.com · link re-checked 2026-10-16

"Mistral Large 4 scores 13.3%" on sudo L7 staff-level SWE benchmark

Builder
@HelloSurgeAI
Posted
Plan
—
Cost
Not disclosed

x.com · link re-checked 2026-10-16

Mistral/Devstral familyModel test

higher reasoning effort scored worse and cost 8.3x more

Builder
@skalskip92
Posted
Plan
—
Cost
Not disclosed

x.com · link re-checked 2026-10-16

Mistral Large 4Model test

"qwen 3.8 flash next … built the whole thing on my dgx spark in 2.5 hours", where Mistral Large 4 "burned 233k tokens and never wrote a single file"

Builder
@sudoingX
Posted
Plan
—
Cost
Not disclosed

x.com · link re-checked 2026-10-16

Cost (user-reported): "Mistral large 4 costs $14 vs GPT 6.1 $1" for the same revenue-forecast coding job

Builder
@victor_zhng
Posted
Plan
—
Cost
Not disclosed

x.com · link re-checked 2026-10-16

Mistral/Devstral family

"Mistral Medium isn't that great for coding because of its small context window of 200K"

Builder
@EventFlow42
Posted
Plan
—
Cost
Not disclosed

x.com · link re-checked 2026-10-16

All 10 Mistral/Devstral use cases →

Sources

lmarena.ai/leaderboard/webdev vals.ai/benchmarks/vibe-code vals.ai/benchmarks/swebench

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