Model comparison

Claude Opus 4.6 vs o1-mini

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 34.0 on the Noometry Index.

Last verified . 26 shared benchmarks.

Claude Opus 4.6 Anthropic

58.2

Rank #20 Confirmed

o1-mini OpenAI

34.0

Rank #235 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Claude Opus 4.6 scores higher in 9 categories and o1-mini in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.6 leads 57.8 to 8.8.
  • The biggest single-benchmark swing is Cybench: 93% for Claude Opus 4.6 and 10% for o1-mini.

Side by side

Claude Opus 4.6 and o1-mini specifications
Claude Opus 4.6o1-mini
ProviderAnthropicOpenAI
Noometry Index58.234.0
Released2026-02-042024-09-12
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6839

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.2 (#20), o1-mini: 35.5 (#224)

Coding benchmarks
BenchmarkClaude Opus 4.6o1-mini
WeirdML78%36.3%
LMArena Coding15361362
SWE-bench Verified78.7%—
FrontierCode26.6%—
SWE-bench Verified (bash only)75.6%—
Aider Polyglot—32.9%
LMArena WebDev1547—
SWE-bench Multilingual72%—
GSO41.2%—
LiveBench Coding—48%
ALE-Bench996.5—
AlgoTune1.47—
HumanEval+—89%
MBPP+—78.8%

Agentic & Tool Use Claude Opus 4.6 leads

Claude Opus 4.6: 51.1 (#4), o1-mini: 24.6 (#118)

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6o1-mini
Cybench93%10%
Terminal-Bench79.8%—
APEX-Agents46.3%—
Remote Labor Index4.2%—
τ²-bench Banking27.3%—
DeepResearch Bench55.3%—
GBAEval44.1%—
LMArena Search1253—
METR Time Horizons78.9%—
Vending-Bench 28,018—

Reasoning Claude Opus 4.6 leads

Claude Opus 4.6: 57.8 (#23), o1-mini: 8.8 (#346)

Reasoning benchmarks
BenchmarkClaude Opus 4.6o1-mini
ARC-AGI-269.2%0.8%
SimpleBench67.6%18.1%
ARC-AGI-194%14%
LMArena Hard Prompts15271333
Epoch Capabilities Index155.24135.82
Kagi LLM Benchmark83.6%—
NYT Connections (extended)92.1%—
Chess Puzzles17%—
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
LiveBench Reasoning—72.3%
Mystery Game Puzzles25%—
DTBench91.2%—
LiveBench Data Analysis—57.9%
LMCA55.8%—
ForecastBench60—
LiveBench—57.8%

Math Claude Opus 4.6 leads

Claude Opus 4.6: 63.0 (#31), o1-mini: 35.4 (#186)

Knowledge Claude Opus 4.6 leads

Claude Opus 4.6: 61.9 (#26), o1-mini: 34.9 (#192)

Knowledge benchmarks
BenchmarkClaude Opus 4.6o1-mini
GPQA Diamond90.5%62.4%
LMArena Expert15461316
Humanity's Last Exam34.4%—
SimpleQA Verified47%—
Confabulations—18.6%
Vectara Hallucination Rate12.2%—

Multimodal Not comparable

Claude Opus 4.6: 37.3 (#74), o1-mini: —

Multimodal benchmarks
BenchmarkClaude Opus 4.6o1-mini
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Claude Opus 4.6 leads

Claude Opus 4.6: 57.9 (#6), o1-mini: 43.6 (#182)

Multilingual benchmarks
BenchmarkClaude Opus 4.6o1-mini
LMArena Non-English14891289
LMArena Chinese15511314
LMArena French15131293
LMArena German15021278
LMArena Japanese14841245
LMArena Korean14641223
LMArena Russian14971283
LMArena Spanish15101303

Instruction Following Claude Opus 4.6 leads

Claude Opus 4.6: 79.5 (#4), o1-mini: 66.7 (#206)

Instruction Following benchmarks
BenchmarkClaude Opus 4.6o1-mini
LMArena Instruction Following15231304
LiveBench Instruction Following—65.4%

Long Context Claude Opus 4.6 leads

Claude Opus 4.6: 48.1 (#13), o1-mini: 40.1 (#161)

Long Context benchmarks
BenchmarkClaude Opus 4.6o1-mini
LMArena Longer Query15201320
CL-bench20.7%—
CL-bench Life17%—

Writing & Preference Claude Opus 4.6 leads

Claude Opus 4.6: 73.5 (#10), o1-mini: 48.4 (#202)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6o1-mini
LMArena Text15031317
LMArena Creative Writing15051244
LMArena Multi-Turn15131314
Short-Story Creative Writing—64.9%
EQ-Bench Creative Writing1809—
EQ-Bench 41223—
LiveBench Language—40.9%

Frequently asked questions

Is Claude Opus 4.6 better than o1-mini?

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 34.0 on the Noometry Index.

Is Claude Opus 4.6 or o1-mini better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 35.5 in the Noometry coding category.

How many benchmarks do Claude Opus 4.6 and o1-mini share?

26 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and o1-mini has 39.

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