Compare / Mistral Medium 3 vs Mistral Small 3.1 24B

Mistral Medium 3 vs Mistral Small 3.1 24B

Which is cheaper, which is more capable, and which does better at each kind of work, from 16 results on 3 sources that measured both models.

Mistral Medium 3
Mistral · profile
Mistral Small 3.1 24B
Mistral · profile
Results compared
16
Shared sources
3

Mistral Medium 3 or Mistral Small 3.1 24B? The short answer

  • Mistral Small 3.1 24B is cheaper: $0.40 against $0.80 per million tokens, 50% less.
  • Mistral Medium 3 scores higher on the Artificial Analysis Intelligence Index: 9.0 against 7.1.
  • On our business benchmarks, Mistral Medium 3 ranks higher for agents and tool use, reasoning and knowledge and writing.

At a glance

Mistral Medium 3Mistral Small 3.1 24B
Price per million tokens$0.40 in · $2.00 out$0.35 in · $0.56 out
Blended (3 in : 1 out)$0.80$0.40
Cheapest host, blended$0.80 (Mistral)–
Intelligence Index9.07.1
Spring Prompt overall––
Output speed, tokens a second––
Context window131,072 tokens128,000 tokens
WeightsClosedOpen
Developer based inFranceFrance

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseMistral Medium 3Mistral Small 3.1 24B
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 81 of 161 114 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 160 of 195 172 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 127 of 187 157 of 187

Every shared result

BenchmarkMetricMistral Medium 3Mistral Small 3.1 24B
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3871,297
Arena (formerly LMArena)reportedCreative writingArena rating 1,3641,270
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3791,302
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3661,294
Arena (formerly LMArena)reportedOverallArena rating 1,3871,303
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3701,290
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 9.007.10
Artificial AnalysisreportedGPQA Diamond% of questions 57.8%45.4%
Artificial AnalysisreportedHumanity's Last Exam% of questions 4.1%4.3%
Artificial AnalysisreportedIFBench% of instructions 39.3%29.9%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 31.3%22.3%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 3.8%7.6%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 24.3%25.1%
UGI LeaderboardreportedRequested-length error% off the requested word count 20.0%11.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.350.35
UGI LeaderboardreportedWriting scorescore out of 100 32.632.1

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is Mistral Medium 3 better than Mistral Small 3.1 24B?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Mistral Medium 3 ranks higher for agents and tool use, reasoning and knowledge and writing.

Which is cheaper, Mistral Medium 3 or Mistral Small 3.1 24B?

Mistral Small 3.1 24B costs $0.40 per million tokens (three input to one output), against $0.80 for Mistral Medium 3.

Run Mistral Medium 3 and Mistral Small 3.1 24B on your own prompt

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