Compare / Mistral Small 3.2 24B vs GPT-5 Mini

Mistral Small 3.2 24B vs GPT-5 Mini

Which is cheaper, which is more capable, and which does better at each kind of work, from 26 results on 3 sources that measured both models.

Mistral Small 3.2 24B
Mistral · profile
GPT-5 Mini
OpenAI · profile
Results compared
26
Shared sources
3

Mistral Small 3.2 24B or GPT-5 Mini? The short answer

  • Mistral Small 3.2 24B is cheaper: $0.13 against $0.69 per million tokens, 5.2 times less.
  • GPT-5 Mini scores higher on the Artificial Analysis Intelligence Index: 20.6 against 8.2.
  • On our business benchmarks, GPT-5 Mini ranks higher for agents and tool use, reasoning and knowledge and writing.

At a glance

Mistral Small 3.2 24BGPT-5 Mini
Price per million tokens$0.094 in · $0.25 out$0.25 in · $2.00 out
Blended (3 in : 1 out)$0.13$0.69
Cheapest host, blended$0.11 (DeepInfra, FP8)$0.34 (OpenAI)
Intelligence Index8.220.6
Spring Prompt overall––
Output speed, tokens a second––
Context window256,000 tokens400,000 tokens
WeightsOpenClosed
Developer based inFrancethe US

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 Small 3.2 24BGPT-5 Mini
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 118 of 161 106 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 163 of 195 91 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 130 of 187 117 of 187
Sticking to the factsSummarising without inventing things, and factual answers not measured 131 of 153

Every shared result

BenchmarkMetricMistral Small 3.2 24BGPT-5 Mini
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3631,381
Arena (formerly LMArena)reportedCreative writingArena rating 1,3231,324
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3351,400
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3381,373
Arena (formerly LMArena)reportedOverallArena rating 1,3571,390
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3291,352
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 12.515.6
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 8.2020.6
Artificial AnalysisreportedGPQA Diamond% of questions 50.5%82.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 4.3%21.5%
Artificial AnalysisreportedIFBench% of instructions 33.5%75.4%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 20.3%72.3%
Artificial AnalysisreportedSciCode% of problems 28.6%39.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 5.6%3.7%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%0.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 6.8%33.3%
Artificial AnalysisreportedΤ-bench banking% of tasks 6.2%15.5%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 29.5%71.1%
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 87.9%91.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 18.1%44.3%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 14.8%27.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 37.1%55.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 93.8%93.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 89.7%69.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 79.0%62.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 31.0%82.0%

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 Small 3.2 24B better than GPT-5 Mini?

It depends on the task. Among models available today, on our benchmarks and licensed sources, GPT-5 Mini ranks higher for agents and tool use, reasoning and knowledge and writing.

Which is cheaper, Mistral Small 3.2 24B or GPT-5 Mini?

Mistral Small 3.2 24B costs $0.13 per million tokens (three input to one output), against $0.69 for GPT-5 Mini.

Run Mistral Small 3.2 24B and GPT-5 Mini on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.