Model comparison

Claude Sonnet 5 vs Olmo 3 32b Think

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 38.7 on the Noometry Index.

Last verified . 14 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Claude Sonnet 5 scores higher in 8 categories and Olmo 3 32b Think in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5 leads 66.2 to 36.5.
  • Olmo 3 32b Think has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5 and Olmo 3 32b Think specifications
Claude Sonnet 5Olmo 3 32b Think
ProviderAnthropicAllen Institute for AI (Ai2)
Noometry Index54.638.7
Released2026-06-29—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked5114

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#26), Olmo 3 32b Think: 38.6 (#172)

Coding benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Coding14831319
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), Olmo 3 32b Think: —

Agentic & Tool Use benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 49.1 (#39), Olmo 3 32b Think: 25.9 (#140)

Reasoning benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Hard Prompts14611302
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.21—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.2 (#27), Olmo 3 32b Think: 36.5 (#165)

Math benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Math14671316
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), Olmo 3 32b Think: 35.0 (#190)

Knowledge benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Expert14901273
GPQA Diamond90.5%—
SimpleQA Verified33.7%—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#31), Olmo 3 32b Think: —

Multimodal benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Vision1274—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 53.8 (#55), Olmo 3 32b Think: 41.2 (#210)

Multilingual benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Non-English14311255
LMArena Chinese14771300
LMArena French14601291
LMArena German14401290
LMArena Russian14511254
LMArena Japanese1422—
LMArena Korean1411—
LMArena Spanish1437—

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.3 (#41), Olmo 3 32b Think: 67.2 (#198)

Instruction Following benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Instruction Following14521275

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#55), Olmo 3 32b Think: 39.4 (#182)

Long Context benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Longer Query14631296

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.2 (#25), Olmo 3 32b Think: 49.1 (#193)

Writing & Preference benchmarks
BenchmarkClaude Sonnet 5Olmo 3 32b Think
LMArena Text14421300
LMArena Creative Writing14161256
LMArena Multi-Turn14541290
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Olmo 3 32b Think?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 38.7 on the Noometry Index.

Is Claude Sonnet 5 or Olmo 3 32b Think better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 38.6 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5 and Olmo 3 32b Think share?

14 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Olmo 3 32b Think has 14.

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