Noometry

Model comparison

Claude Sonnet 4.6 vs Mistral Small 4

Claude Sonnet 4.6 has enough public results to be ranked (#50); Mistral Small 4 does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Sonnet 4.6 Anthropic

50.3

Rank #50 Confirmed

Mistral Small 4 Mistral AI

30.8

Unranked Sparse

Summary

  • The widest gap is in reasoning, where Claude Sonnet 4.6 leads 46.1 to 21.9.
  • Mistral Small 4 is cheaper at $0.075 / $0.30 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.6.
  • Claude Sonnet 4.6 accepts more context: 1M tokens versus 262K.
  • Mistral Small 4 has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 4.6Mistral Small 4
ProviderAnthropicMistral AI
Noometry Index50.330.8
Released2026-02-17—
WeightsProprietaryOpen
Context window1M262K
Max output128K210K
Input $ / M tokens$3$0.075
Output $ / M tokens$15$0.30
Results tracked571

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Category by category

Coding Not comparable

Claude Sonnet 4.6: 46.3 (#67), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
SWE-bench Verified75.2%—
DeepSWE29.9%—
FrontierCode24.3%—
LMArena WebDev1522—
SciCode46.8%—
WeirdML66.1%—
LMArena Coding1504—
ALE-Bench1,327—

Agentic & Tool Use Not comparable

Claude Sonnet 4.6: 39.1 (#28), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
Terminal-Bench53.4%—
APEX-Agents43%—
OSWorld 2.09.3%—
DeepResearch Bench54.9%—
OSWorld72.1%—
ExploitBench23.6%—
GBAEval48.8%—
GDP.pdf18%—
LMArena Search1221—
Vending-Bench 27,204—

Reasoning Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 46.1 (#45), Mistral Small 4: 21.9

BenchmarkClaude Sonnet 4.6Mistral Small 4
ARC-AGI-260.4%—
Kagi LLM Benchmark—40.5%
NYT Connections (extended)80.9%—
ARC-AGI-186.5%—
CritPt3.1%—
Chess Puzzles13%—
Thematic Generalization76.3%—
LMArena Hard Prompts1484—
Mystery Game Puzzles16%—
DTBench89.9%—
LMCA46.5%—
Epoch Capabilities Index152.24—
ForecastBench62—

Math Not comparable

Claude Sonnet 4.6: 52.9 (#49), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
OTIS Mock AIME 2024-202585.8%—
ProofBench45%—
LMArena Math1462—
FrontierMath (Feb 2025 set)32.4%—
FrontierMath Tier 4 (v1)8.3%—

Knowledge Not comparable

Claude Sonnet 4.6: 51.7 (#65), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
GPQA Diamond87.4%—
SimpleQA Verified35.5%—
Vectara Hallucination Rate10.6%—
LMArena Expert1500—

Multimodal Not comparable

Claude Sonnet 4.6: 38.0 (#68), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
LMArena Vision1283—
Blueprint-Bench 26.7%—
LMArena Document1482—

Multilingual Not comparable

Claude Sonnet 4.6: 54.4 (#41), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
LMArena Non-English1440—
LMArena Chinese1491—
LMArena French1465—
LMArena German1428—
LMArena Japanese1420—
LMArena Korean1411—
LMArena Russian1440—
LMArena Spanish1464—

Instruction Following Not comparable

Claude Sonnet 4.6: 77.4 (#25), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
LMArena Instruction Following1475—

Long Context Not comparable

Claude Sonnet 4.6: 45.3 (#44), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
LMArena Longer Query1479—

Writing & Preference Not comparable

Claude Sonnet 4.6: 70.2 (#22), Mistral Small 4: —

BenchmarkClaude Sonnet 4.6Mistral Small 4
LMArena Text1458—
LMArena Creative Writing1435—
EQ-Bench Creative Writing1810—
EQ-Bench 41207—
LMArena Multi-Turn1464—

Frequently asked questions

Is Claude Sonnet 4.6 better than Mistral Small 4?

Claude Sonnet 4.6 has enough public results to be ranked (#50); Mistral Small 4 does not yet, so treat this comparison as directional.

Which is cheaper, Claude Sonnet 4.6 or Mistral Small 4?

Mistral Small 4 is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; Claude Sonnet 4.6 lists at $3 and $15.

Which has the bigger context window?

Claude Sonnet 4.6 does, with 1M tokens against 262K.

How many benchmarks do Claude Sonnet 4.6 and Mistral Small 4 share?

0 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Mistral Small 4 has 1.

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