Noometry

Model comparison

Claude Opus 5 vs o1-pro

Claude Opus 5 is the stronger model overall, scoring 67.8 to 31.5 on the Noometry Index.

Last verified . 1 shared benchmarks.

Claude Opus 5 Anthropic

67.8

Rank #4 Confirmed

o1-pro OpenAI

31.5

Rank #271 Reported

Summary

  • They share 1 benchmark with published results for both. Claude Opus 5 scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5 leads 77.2 to 20.4.
  • The biggest single-benchmark swing is ARC-AGI-1: 97.5% for Claude Opus 5 and 23.3% for o1-pro.
  • Claude Opus 5 is cheaper at $5 / $25 per million input/output tokens, against $150 / $600 for o1-pro.
  • Claude Opus 5 accepts more context: 1M tokens versus 200K.

Side by side

Claude Opus 5o1-pro
ProviderAnthropicOpenAI
Noometry Index67.831.5
Released2026-07-242025-03-19
WeightsProprietaryProprietary
Context window1M200K
Max output128K100K
Input $ / M tokens$5$150
Output $ / M tokens$25$600
Results tracked573

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Category by category

Coding Not comparable

Claude Opus 5: 67.5 (#5), o1-pro: —

BenchmarkClaude Opus 5o1-pro
DeepSWE73.6%—
FrontierCode53.4%—
CursorBench46.6%—
LMArena WebDev1691—
FrontierSWE52%—
SciCode56.4%—
WeirdML91.8%—
LMArena Coding1534—
ALE-Bench2,165—

Agentic & Tool Use Not comparable

Claude Opus 5: 55.6 (#1), o1-pro: —

BenchmarkClaude Opus 5o1-pro
APEX-Agents65.8%—
OSWorld 2.031.4%—
τ²-bench Banking48.7%—
PostTrainBench35%—
BALROG63.4%—
GBAEval79.6%—
GDP.pdf24%—
Vending-Bench 211,182—

Reasoning Claude Opus 5 leads

Claude Opus 5: 77.2 (#4), o1-pro: 20.4 (#239)

BenchmarkClaude Opus 5o1-pro
ARC-AGI-197.5%23.3%
ARC-AGI-290.4%—
SimpleBench80.6%—
NYT Connections (extended)94.3%—
CritPt29.1%—
Chess Puzzles42%—
EnigmaEval—6.1%
EBR-Bench45.7%—
LMArena Hard Prompts1526—
Mystery Game Puzzles59%—
DTBench97.9%—
LMCA64.5%—
Bench to the Future 30.12—
Epoch Capabilities Index162.78—

Math Not comparable

Claude Opus 5: 86.2 (#8), o1-pro: —

BenchmarkClaude Opus 5o1-pro
FrontierMath (Tiers 1-3)85.6%—
FrontierMath Tier 473.2%—
OTIS Mock AIME 2024-202598.9%—
ProofBench99%—
LMArena Math1531—

Knowledge Claude Opus 5 leads

Claude Opus 5: 66.8 (#9), o1-pro: 29.7 (#234)

BenchmarkClaude Opus 5o1-pro
GPQA Diamond93.9%—
Humanity's Last Exam—8.1%
SimpleQA Verified59.9%—
LMArena Expert1557—

Multimodal Not comparable

Claude Opus 5: 50.8 (#8), o1-pro: —

BenchmarkClaude Opus 5o1-pro
LMArena Vision1319—
Blueprint-Bench 230.4%—
Furniture Assembly60.8%—
LMArena Document1516—

Multilingual Not comparable

Claude Opus 5: 58.8 (#4), o1-pro: —

BenchmarkClaude Opus 5o1-pro
LMArena Non-English1501—
LMArena Chinese1574—
LMArena French1519—
LMArena German1524—
LMArena Japanese1516—
LMArena Korean1521—
LMArena Russian1507—
LMArena Spanish1519—

Instruction Following Not comparable

Claude Opus 5: 79.2 (#7), o1-pro: —

BenchmarkClaude Opus 5o1-pro
LMArena Instruction Following1517—

Long Context Not comparable

Claude Opus 5: 46.5 (#21), o1-pro: —

BenchmarkClaude Opus 5o1-pro
LMArena Longer Query1515—

Writing & Preference Not comparable

Claude Opus 5: 79.2 (#1), o1-pro: —

BenchmarkClaude Opus 5o1-pro
LMArena Text1507—
LMArena Creative Writing1491—
EQ-Bench Creative Writing2133—
EQ-Bench 41385—
LMArena Multi-Turn1499—

Frequently asked questions

Is Claude Opus 5 better than o1-pro?

Claude Opus 5 is the stronger model overall, scoring 67.8 to 31.5 on the Noometry Index.

Which is cheaper, Claude Opus 5 or o1-pro?

Claude Opus 5 is cheaper. It lists at $5 per million input tokens and $25 per million output tokens; o1-pro lists at $150 and $600.

Which has the bigger context window?

Claude Opus 5 does, with 1M tokens against 200K.

How many benchmarks do Claude Opus 5 and o1-pro share?

1 benchmark has published results for both models. Claude Opus 5 has 57 scored results on Noometry and o1-pro has 3.

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