Model comparison

o1-pro vs o3-mini

o3-mini is the stronger model overall, scoring 36.7 to 31.5 on the Noometry Index.

Last verified . 1 shared benchmarks.

o1-pro OpenAI

31.5

Rank #271 Reported

o3-mini OpenAI

36.7

Rank #212 Confirmed

Summary

  • They share 1 benchmark with published results for both. o1-pro scores higher in 1 category and o3-mini in 1 category; 2 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where o3-mini leads 38.3 to 29.7.
  • The biggest single-benchmark swing is ARC-AGI-1: 23.3% for o1-pro and 34.5% for o3-mini.
  • o3-mini is cheaper at $1.10 / $4.40 per million input/output tokens, against $150 / $600 for o1-pro.

Side by side

o1-pro and o3-mini specifications
o1-proo3-mini
ProviderOpenAIOpenAI
Noometry Index31.536.7
Released2025-03-192024-12-20
WeightsProprietaryProprietary
Context window200K200K
Max output100K100K
Input $ / M tokens$150$1.10
Output $ / M tokens$600$4.40
Results tracked351

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Category by category

Coding Not comparable

o1-pro: —, o3-mini: 40.8 (#132)

Coding benchmarks
Benchmarko1-proo3-mini
Aider Polyglot—60.4%
SciCode—39.8%
GSO—1.3%
WeirdML—43.7%
LiveBench Coding—82.7%
LMArena Coding—1378
CadEval—54%

Agentic & Tool Use Not comparable

o1-pro: —, o3-mini: 29.6 (#84)

Agentic & Tool Use benchmarks
Benchmarko1-proo3-mini
Cybench—22.5%

Reasoning o1-pro leads

o1-pro: 20.4 (#239), o3-mini: 16.3 (#305)

Reasoning benchmarks
Benchmarko1-proo3-mini
ARC-AGI-123.3%34.5%
ARC-AGI-2—3%
SimpleBench—22.8%
CritPt—0.3%
Chess Puzzles—17%
EnigmaEval6.1%—
LiveBench Reasoning—89.6%
LMArena Hard Prompts—1366
Mystery Game Puzzles—7%
DTBench—68.8%
LiveBench Data Analysis—70.6%
LMCA—19%
Epoch Capabilities Index—140.34
ForecastBench—59.6
LiveBench—75.9%

Math Not comparable

o1-pro: —, o3-mini: 28.1 (#244)

Knowledge o3-mini leads

o1-pro: 29.7 (#234), o3-mini: 38.3 (#146)

Knowledge benchmarks
Benchmarko1-proo3-mini
GPQA Diamond—77%
Humanity's Last Exam8.1%—
SimpleQA Verified—15.3%
Confabulations—17.9%
LMArena Expert—1364

Multilingual Not comparable

o1-pro: —, o3-mini: 45.7 (#164)

Multilingual benchmarks
Benchmarko1-proo3-mini
LMArena Non-English—1319
LMArena Chinese—1379
LMArena French—1334
LMArena German—1303
LMArena Japanese—1286
LMArena Korean—1314
LMArena Russian—1304
LMArena Spanish—1321

Instruction Following Not comparable

o1-pro: —, o3-mini: 75.1 (#72)

Instruction Following benchmarks
Benchmarko1-proo3-mini
LiveBench Instruction Following—84.4%
LMArena Instruction Following—1337

Long Context Not comparable

o1-pro: —, o3-mini: 33.8 (#256)

Long Context benchmarks
Benchmarko1-proo3-mini
Fiction.LiveBench—50%
LMArena Longer Query—1343

Writing & Preference Not comparable

o1-pro: —, o3-mini: 50.3 (#182)

Writing & Preference benchmarks
Benchmarko1-proo3-mini
LMArena Text—1337
LMArena Creative Writing—1286
Short-Story Creative Writing—61.7%
LMArena Multi-Turn—1320
LiveBench Language—50.7%

Frequently asked questions

Is o1-pro better than o3-mini?

o3-mini is the stronger model overall, scoring 36.7 to 31.5 on the Noometry Index.

Which is cheaper, o1-pro or o3-mini?

o3-mini is cheaper. It lists at $1.10 per million input tokens and $4.40 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 o1-pro and o3-mini share?

1 benchmark has published results for both models. o1-pro has 3 scored results on Noometry and o3-mini has 51.

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