Model comparison

Chatgpt 4o Latest 20250326 vs GPT-5 Mini

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 41.8 on the Noometry Index.

Last verified . 21 shared benchmarks.

Chatgpt 4o Latest 20250326 OpenAI

43.8

Rank #82 Confirmed

GPT-5 Mini OpenAI

41.8

Rank #128 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 6 categories and GPT-5 Mini in 3 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 33.8 to 23.9.

Side by side

Chatgpt 4o Latest 20250326 and GPT-5 Mini specifications
Chatgpt 4o Latest 20250326GPT-5 Mini
ProviderOpenAIOpenAI
Noometry Index43.841.8
Released—2025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$0.25
Output $ / M tokens—$2
Results tracked2160

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Category by category

Coding Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 41.6 (#122), GPT-5 Mini: 40.1 (#146)

Coding benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Coding14131406
SWE-bench Verified—64.7%
SWE-bench Verified (bash only)—59.8%
SWE-bench Multilingual—39.7%
SciCode—39.2%
WeirdML—52.7%
ALE-Bench—799.77
AlgoTune—1.38

Agentic & Tool Use Not comparable

Chatgpt 4o Latest 20250326: —, GPT-5 Mini: 31.1 (#70)

Agentic & Tool Use benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
Terminal-Bench—34.8%
Berkeley Function Calling Leaderboard—55.5%
Vending-Bench 2—-31.18

Reasoning Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 33.8 (#71), GPT-5 Mini: 23.9 (#168)

Reasoning benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
Kagi LLM Benchmark75%70.3%
LMArena Hard Prompts14241380
ARC-AGI-2—4.4%
ARC-AGI-1—54.3%
CritPt—0%
Chess Puzzles—30%
EnigmaEval—8.2%
Mystery Game Puzzles—10%
DTBench—80.5%
LMCA—34.2%
Epoch Capabilities Index—145.52
ForecastBench—61

Math GPT-5 Mini leads

Chatgpt 4o Latest 20250326: 38.6 (#134), GPT-5 Mini: 46.7 (#69)

Math benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Math14071378
FrontierMath (Tiers 1-3)—46.7%
FrontierMath Tier 4—12.2%
OTIS Mock AIME 2024-2025—86.7%
ProofBench—9%
Omni-MATH—72.2%
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—27.2%
FrontierMath Tier 4 (v1)—6.3%

Knowledge GPT-5 Mini leads

Chatgpt 4o Latest 20250326: 39.2 (#137), GPT-5 Mini: 45.6 (#86)

Knowledge benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
Confabulations16.6%13.3%
LMArena Expert14011379
GPQA Diamond—75%
Humanity's Last Exam—19.4%
SimpleQA Verified—21.6%
MMLU-Pro—83.5%
Vectara Hallucination Rate—12.9%
GPQA (HELM)—75.6%

Multimodal Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 39.6 (#58), GPT-5 Mini: 35.6 (#85)

Multimodal benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Vision12431202
VPCT—40.2%

Multilingual Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 52.9 (#76), GPT-5 Mini: 48.9 (#137)

Multilingual benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Non-English14191363
LMArena Chinese14571385
LMArena French14461386
LMArena German14231366
LMArena Japanese14051341
LMArena Korean13961308
LMArena Russian14291362
LMArena Spanish14341355

Instruction Following GPT-5 Mini leads

Chatgpt 4o Latest 20250326: 74.0 (#107), GPT-5 Mini: 76.2 (#46)

Instruction Following benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Instruction Following14031357
IFEval—92.7%

Long Context Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 43.1 (#107), GPT-5 Mini: 41.9 (#132)

Long Context benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Longer Query14131355
Fiction.LiveBench—69.4%

Writing & Preference Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 62.6 (#72), GPT-5 Mini: 55.2 (#148)

Writing & Preference benchmarks
BenchmarkChatgpt 4o Latest 20250326GPT-5 Mini
LMArena Text14291373
LMArena Creative Writing14051325
EQ-Bench Creative Writing15011313
LMArena Multi-Turn14541363
Short-Story Creative Writing—83.1%
WildBench—85.5%

Frequently asked questions

Is Chatgpt 4o Latest 20250326 better than GPT-5 Mini?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 41.8 on the Noometry Index.

Is Chatgpt 4o Latest 20250326 or GPT-5 Mini better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 40.1 in the Noometry coding category.

How many benchmarks do Chatgpt 4o Latest 20250326 and GPT-5 Mini share?

21 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and GPT-5 Mini has 60.

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