Noometry

Model comparison

Claude Opus 4 vs o1-pro

Claude Opus 4 is the stronger model overall, scoring 43.1 to 31.5 on the Noometry Index.

Last verified . 3 shared benchmarks.

Claude Opus 4 Anthropic

43.1

Rank #100 Confirmed

o1-pro OpenAI

31.5

Rank #271 Reported

Summary

  • They share 3 benchmarks with published results for both. Claude Opus 4 scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Opus 4 leads 44.0 to 29.7.
  • The biggest single-benchmark swing is ARC-AGI-1: 35.7% for Claude Opus 4 and 23.3% for o1-pro.
  • Claude Opus 4 is cheaper at $15 / $75 per million input/output tokens, against $150 / $600 for o1-pro.

Side by side

Claude Opus 4o1-pro
ProviderAnthropicOpenAI
Noometry Index43.131.5
Released2025-05-222025-03-19
WeightsProprietaryProprietary
Context window200K200K
Max output32K100K
Input $ / M tokens$15$150
Output $ / M tokens$75$600
Results tracked563

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Category by category

Coding Not comparable

Claude Opus 4: 47.2 (#62), o1-pro: —

BenchmarkClaude Opus 4o1-pro
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
GSO6.9%—
WeirdML43.7%—
LMArena Coding1442—
AlgoTune1.33—

Agentic & Tool Use Not comparable

Claude Opus 4: 34.8 (#42), o1-pro: —

BenchmarkClaude Opus 4o1-pro
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning Claude Opus 4 leads

Claude Opus 4: 27.3 (#121), o1-pro: 20.4 (#239)

BenchmarkClaude Opus 4o1-pro
ARC-AGI-135.7%23.3%
EnigmaEval5.6%6.1%
ARC-AGI-28.6%—
SimpleBench58.8%—
Kagi LLM Benchmark74.3%—
CritPt0.3%—
LMArena Hard Prompts1399—
DTBench81.6%—
LMCA37.4%—
Epoch Capabilities Index142.67—
ForecastBench61.1—

Math Not comparable

Claude Opus 4: 42.0 (#86), o1-pro: —

BenchmarkClaude Opus 4o1-pro
OTIS Mock AIME 2024-202564.4%—
Omni-MATH61.6%—
LMArena Math1390—
MATH Level 585%—
FrontierMath (Feb 2025 set)4.5%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4 leads

Claude Opus 4: 44.0 (#88), o1-pro: 29.7 (#234)

BenchmarkClaude Opus 4o1-pro
Humanity's Last Exam10.7%8.1%
GPQA Diamond76.3%—
MMLU-Pro87.5%—
Confabulations15.9%—
Vectara Hallucination Rate12%—
GPQA (HELM)70.8%—
LMArena Expert1386—

Multimodal Not comparable

Claude Opus 4: 31.5 (#106), o1-pro: —

BenchmarkClaude Opus 4o1-pro
LMArena Vision1192—
GeoBench49%—
VPCT38%—

Multilingual Not comparable

Claude Opus 4: 48.8 (#138), o1-pro: —

BenchmarkClaude Opus 4o1-pro
LMArena Non-English1362—
LMArena Chinese1386—
LMArena French1372—
LMArena German1391—
LMArena Japanese1331—
LMArena Korean1321—
LMArena Russian1392—
LMArena Spanish1389—

Instruction Following Not comparable

Claude Opus 4: 77.1 (#28), o1-pro: —

BenchmarkClaude Opus 4o1-pro
IFEval91.8%—
LMArena Instruction Following1406—

Long Context Not comparable

Claude Opus 4: 39.6 (#172), o1-pro: —

BenchmarkClaude Opus 4o1-pro
Fiction.LiveBench61.1%—
LMArena Longer Query1422—

Writing & Preference Not comparable

Claude Opus 4: 61.2 (#89), o1-pro: —

BenchmarkClaude Opus 4o1-pro
LMArena Text1377—
LMArena Creative Writing1387—
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—
LMArena Multi-Turn1396—

Frequently asked questions

Is Claude Opus 4 better than o1-pro?

Claude Opus 4 is the stronger model overall, scoring 43.1 to 31.5 on the Noometry Index.

Which is cheaper, Claude Opus 4 or o1-pro?

Claude Opus 4 is cheaper. It lists at $15 per million input tokens and $75 per million output tokens; o1-pro lists at $150 and $600.

Which has the bigger context window?

Both accept 200K tokens.

How many benchmarks do Claude Opus 4 and o1-pro share?

3 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and o1-pro has 3.

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