Noometry

Model comparison

Claude Sonnet 4.6 vs Pixtral 12B

Claude Sonnet 4.6 has enough public results to be ranked (#50); Pixtral 12B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Sonnet 4.6 Anthropic

50.3

Rank #50 Confirmed

Pixtral 12B Mistral AI

31.3

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Sonnet 4.6 scores higher in 1 category and Pixtral 12B in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in multimodal, where Claude Sonnet 4.6 leads 38.0 to 23.9.
  • Pixtral 12B is cheaper at $0.15 / $0.15 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.6.
  • Claude Sonnet 4.6 accepts more context: 1M tokens versus 128K.
  • Pixtral 12B has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 4.6Pixtral 12B
ProviderAnthropicMistral AI
Noometry Index50.331.3
Released2026-02-172024-09-01
WeightsProprietaryOpen
Context window1M128K
Max output128K128K
Input $ / M tokens$3$0.15
Output $ / M tokens$15$0.15
Results tracked572

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Category by category

Coding Not comparable

Claude Sonnet 4.6: 46.3 (#67), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
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), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
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 Not comparable

Claude Sonnet 4.6: 46.1 (#45), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
ARC-AGI-260.4%—
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), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
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), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
GPQA Diamond87.4%—
SimpleQA Verified35.5%—
Vectara Hallucination Rate10.6%—
LMArena Expert1500—

Multimodal Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 38.0 (#68), Pixtral 12B: 23.9 (#127)

BenchmarkClaude Sonnet 4.6Pixtral 12B
LMArena Vision12831009
GeoBench—37%
Blueprint-Bench 26.7%—
LMArena Document1482—

Multilingual Not comparable

Claude Sonnet 4.6: 54.4 (#41), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
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), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
LMArena Instruction Following1475—

Long Context Not comparable

Claude Sonnet 4.6: 45.3 (#44), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
LMArena Longer Query1479—

Writing & Preference Not comparable

Claude Sonnet 4.6: 70.2 (#22), Pixtral 12B: —

BenchmarkClaude Sonnet 4.6Pixtral 12B
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 Pixtral 12B?

Claude Sonnet 4.6 has enough public results to be ranked (#50); Pixtral 12B does not yet, so treat this comparison as directional.

Which is cheaper, Claude Sonnet 4.6 or Pixtral 12B?

Pixtral 12B is cheaper. It lists at $0.15 per million input tokens and $0.15 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 128K.

How many benchmarks do Claude Sonnet 4.6 and Pixtral 12B share?

1 benchmark has published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Pixtral 12B has 2.

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