Model comparison

Chatgpt 4o Latest 20250326 vs o3-mini

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 36.7 on the Noometry Index.

Last verified . 18 shared benchmarks.

Chatgpt 4o Latest 20250326 OpenAI

43.8

Rank #82 Confirmed

o3-mini OpenAI

36.7

Rank #212 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 7 categories and o3-mini in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 33.8 to 16.3.

Side by side

Chatgpt 4o Latest 20250326 and o3-mini specifications
Chatgpt 4o Latest 20250326o3-mini
ProviderOpenAIOpenAI
Noometry Index43.836.7
Released—2024-12-20
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked2151

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Too close to call

Chatgpt 4o Latest 20250326: 41.6 (#122), o3-mini: 40.8 (#132)

Coding benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Coding14131378
Aider Polyglot—60.4%
SciCode—39.8%
GSO—1.3%
WeirdML—43.7%
LiveBench Coding—82.7%
CadEval—54%

Agentic & Tool Use Not comparable

Chatgpt 4o Latest 20250326: —, o3-mini: 29.6 (#84)

Agentic & Tool Use benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
Cybench—22.5%

Reasoning Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 33.8 (#71), o3-mini: 16.3 (#305)

Reasoning benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Hard Prompts14241366
ARC-AGI-2—3%
SimpleBench—22.8%
Kagi LLM Benchmark75%—
ARC-AGI-1—34.5%
CritPt—0.3%
Chess Puzzles—17%
LiveBench Reasoning—89.6%
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 Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 38.6 (#134), o3-mini: 28.1 (#244)

Math benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Math14071396
FrontierMath (Tiers 1-3)—18.6%
FrontierMath Tier 4—0%
OTIS Mock AIME 2024-2025—76.9%
LiveBench Math—77.3%
MATH Level 5—96.5%
FrontierMath (Feb 2025 set)—12.4%
FrontierMath Tier 4 (v1)—4.2%

Knowledge Too close to call

Chatgpt 4o Latest 20250326: 39.2 (#137), o3-mini: 38.3 (#146)

Knowledge benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
Confabulations16.6%17.9%
LMArena Expert14011364
GPQA Diamond—77%
SimpleQA Verified—15.3%

Multimodal Not comparable

Chatgpt 4o Latest 20250326: 39.6 (#58), o3-mini: —

Multimodal benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Vision1243—

Multilingual Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 52.9 (#76), o3-mini: 45.7 (#164)

Multilingual benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Non-English14191319
LMArena Chinese14571379
LMArena French14461334
LMArena German14231303
LMArena Japanese14051286
LMArena Korean13961314
LMArena Russian14291304
LMArena Spanish14341321

Instruction Following o3-mini leads

Chatgpt 4o Latest 20250326: 74.0 (#107), o3-mini: 75.1 (#72)

Instruction Following benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Instruction Following14031337
LiveBench Instruction Following—84.4%

Long Context Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 43.1 (#107), o3-mini: 33.8 (#256)

Long Context benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Longer Query14131343
Fiction.LiveBench—50%

Writing & Preference Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 62.6 (#72), o3-mini: 50.3 (#182)

Writing & Preference benchmarks
BenchmarkChatgpt 4o Latest 20250326o3-mini
LMArena Text14291337
LMArena Creative Writing14051286
LMArena Multi-Turn14541320
Short-Story Creative Writing—61.7%
EQ-Bench Creative Writing1501—
LiveBench Language—50.7%

Frequently asked questions

Is Chatgpt 4o Latest 20250326 better than o3-mini?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 36.7 on the Noometry Index.

Is Chatgpt 4o Latest 20250326 or o3-mini better for coding?

They score almost the same on coding (41.6 vs 40.8); test both on your own repository before choosing.

How many benchmarks do Chatgpt 4o Latest 20250326 and o3-mini share?

18 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and o3-mini has 51.

Related comparisons

Go deeper