Noometry

Model comparison

Claude 3 Opus vs Mistral Small 3.2

Mistral Small 3.2 is the stronger model overall, scoring 30.8 to 29.3 on the Noometry Index.

Last verified . 4 shared benchmarks.

Claude 3 Opus Anthropic

29.3

Rank #300 Confirmed

Mistral Small 3.2 Mistral AI

30.8

Rank #271 Confirmed

Summary

  • They share 4 benchmarks with published results for both. Claude 3 Opus scores higher in 1 category and Mistral Small 3.2 in 3 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Mistral Small 3.2 leads 24.9 to 13.9.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 30.3% for Mistral Small 3.2.
  • Mistral Small 3.2 has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusMistral Small 3.2
ProviderAnthropicMistral AI
Noometry Index29.330.8
Released2024-02-292025-06-20
WeightsProprietaryOpen
Context window—256K
Max output—16K
Input $ / M tokens—$0.0938
Output $ / M tokens—$0.25
Results tracked466

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Category by category

Coding Not comparable

Claude 3 Opus: 32.4 (#261), Mistral Small 3.2: —

BenchmarkClaude 3 OpusMistral Small 3.2
WeirdML19.2%—
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
LMArena Coding1264—
BigCodeBench Complete57.4%—
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

Claude 3 Opus: 24.3 (#110), Mistral Small 3.2: —

BenchmarkClaude 3 OpusMistral Small 3.2
Cybench10%—
METR Time Horizons29.5%—

Reasoning Mistral Small 3.2 leads

Claude 3 Opus: 14.2 (#318), Mistral Small 3.2: 17.5 (#282)

BenchmarkClaude 3 OpusMistral Small 3.2
Chess Puzzles5%1%
Epoch Capabilities Index126.91131.73
SimpleBench23.5%—
Kagi LLM Benchmark—40.4%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
LMArena Hard Prompts1246—
DTBench61.6%—
LiveBench Data Analysis57.9%—
LMCA17%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Mistral Small 3.2 leads

Claude 3 Opus: 13.9 (#293), Mistral Small 3.2: 24.9 (#251)

BenchmarkClaude 3 OpusMistral Small 3.2
OTIS Mock AIME 2024-20254.7%30.3%
LiveBench Math43.6%—
LMArena Math1273—
MATH Level 537.5%—

Knowledge Mistral Small 3.2 leads

Claude 3 Opus: 24.5 (#262), Mistral Small 3.2: 26.8 (#249)

BenchmarkClaude 3 OpusMistral Small 3.2
GPQA Diamond47.2%49.1%
SimpleQA Verified12.6%—
Confabulations22.7%—
LMArena Expert1223—
MMLU84.6%—

Multimodal Not comparable

Claude 3 Opus: 26.6 (#112), Mistral Small 3.2: —

BenchmarkClaude 3 OpusMistral Small 3.2
LMArena Vision1023—

Multilingual Not comparable

Claude 3 Opus: 41.6 (#202), Mistral Small 3.2: —

BenchmarkClaude 3 OpusMistral Small 3.2
LMArena Non-English1258—
LMArena Chinese1248—
LMArena French1274—
LMArena German1258—
LMArena Japanese1204—
LMArena Korean1187—
LMArena Russian1280—
LMArena Spanish1246—

Instruction Following Not comparable

Claude 3 Opus: 64.3 (#223), Mistral Small 3.2: —

BenchmarkClaude 3 OpusMistral Small 3.2
LiveBench Instruction Following63.9%—
LMArena Instruction Following1248—

Long Context Not comparable

Claude 3 Opus: 38.2 (#197), Mistral Small 3.2: —

BenchmarkClaude 3 OpusMistral Small 3.2
LMArena Longer Query1259—

Writing & Preference Claude 3 Opus leads

Claude 3 Opus: 47.4 (#208), Mistral Small 3.2: 45.1 (#219)

BenchmarkClaude 3 OpusMistral Small 3.2
LMArena Text1262—
LMArena Creative Writing1235—
EQ-Bench Creative Writing—1255
LMArena Multi-Turn1275—
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Mistral Small 3.2?

Mistral Small 3.2 is the stronger model overall, scoring 30.8 to 29.3 on the Noometry Index.

How many benchmarks do Claude 3 Opus and Mistral Small 3.2 share?

4 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Mistral Small 3.2 has 6.

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