Compare · ModelsLive · 2 picked · head to head
GPT-4o-mini vs o3 Mini
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
o3 Mini wins on 12/14 benchmarks
o3 Mini wins 12 of 14 shared benchmarks. Leads in coding · reasoning · knowledge.
Category leads
coding·o3 Minireasoning·o3 Miniknowledge·o3 Minigeneral·o3 Minimath·o3 Mini
Hype vs Reality
Attention vs performance
GPT-4o-mini
#254 by perf·no signal
o3 Mini
#239 by perf·no signal
Best value
GPT-4o-mini
6.6x better value than o3 Mini
GPT-4o-mini
77.9 pts/$
$0.38/M
o3 Mini
11.8 pts/$
$2.75/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
14 benchmarks · 2 models
GPT-4o-minio3 Mini
Aider polyglot
o3 Mini leads by +56.8
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
GPT-4o-mini
3.6
o3 Mini
60.4
ARC-AGI-2
o3 Mini leads by +3.0
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-4o-mini
0.0
o3 Mini
3.0
Chess Puzzles
o3 Mini leads by +12.7
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-4o-mini
0.0
o3 Mini
12.7
Dtbench
o3 Mini leads by +24.0
GPT-4o-mini
24.0
o3 Mini
48.0
FrontierMath-Tiers-1-3-v2-Private
o3 Mini leads by +17.9
GPT-4o-mini
0.7
o3 Mini
18.6
GPQA diamond
o3 Mini leads by +52.4
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-4o-mini
17.0
o3 Mini
69.4
Lech Mazur Writing
GPT-4o-mini leads by +5.5
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
GPT-4o-mini
67.2
o3 Mini
61.7
Lmca
o3 Mini leads by +10.1
GPT-4o-mini
12.2
o3 Mini
22.3
MATH level 5
o3 Mini leads by +43.9
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
GPT-4o-mini
52.6
o3 Mini
96.5
Mystery Game Puzzles
GPT-4o-mini leads by +3.1
GPT-4o-mini
3.1
o3 Mini
0.0
OTIS Mock AIME 2024-2025
o3 Mini leads by +70.1
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-4o-mini
6.8
o3 Mini
76.9
SimpleBench
o3 Mini leads by +7.4
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
GPT-4o-mini
0.0
o3 Mini
7.4
SimpleQA Verified
o3 Mini leads by +7.0
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-4o-mini
8.3
o3 Mini
15.3
WeirdML
o3 Mini leads by +31.9
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GPT-4o-mini
11.8
o3 Mini
43.7
Full benchmark table
| Benchmark | GPT-4o-mini | o3 Mini |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 3.6 | 60.4 |
ARC-AGI-2 ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data. | 0.0 | 3.0 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 0.0 | 12.7 |
Dtbench | 24.0 | 48.0 |
FrontierMath-Tiers-1-3-v2-Private | 0.7 | 18.6 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 17.0 | 69.4 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 67.2 | 61.7 |
Lmca | 12.2 | 22.3 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 52.6 | 96.5 |
Mystery Game Puzzles | 3.1 | 0.0 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 6.8 | 76.9 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 0.0 | 7.4 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 8.3 | 15.3 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 11.8 | 43.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.15 | $0.60 | 128K tokens (~64 books) | $2.62 | |
| $1.10 | $4.40 | 200K tokens (~100 books) | $19.25 |