Compare · ModelsLive · 2 picked · head to head
GPT-5 vs o3 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5 wins on 9/10 benchmarks
GPT-5 wins 9 of 10 shared benchmarks. Leads in coding · reasoning · general.
Category leads
coding·GPT-5reasoning·GPT-5general·GPT-5knowledge·GPT-5
Hype vs Reality
Attention vs performance
GPT-5
#100 by perf·#4 by attention
o3 Pro
#42 by perf·no signal
Best value
GPT-5
7.7x better value than o3 Pro
GPT-5
9.4 pts/$
$5.63/M
o3 Pro
1.2 pts/$
$50.00/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
10 benchmarks · 2 models
GPT-5o3 Pro
Aider polyglot
GPT-5 leads by +3.1
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
GPT-5
88.0
o3 Pro
84.9
ARC-AGI
GPT-5 leads by +6.3
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GPT-5
65.7
o3 Pro
59.3
ARC-AGI-2
GPT-5 leads by +5.0
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-5
9.9
o3 Pro
4.9
Dtbench
GPT-5 leads by +6.2
GPT-5
84.5
o3 Pro
78.2
Fiction.LiveBench
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
GPT-5
97.2
o3 Pro
97.2
Lech Mazur Writing
GPT-5 leads by +1.6
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
GPT-5
86.0
o3 Pro
84.4
Lmca
GPT-5 leads by +1.8
GPT-5
47.0
o3 Pro
45.3
Professional Reasoning · Finance
GPT-5 leads by +2.2
GPT-5
51.3
o3 Pro
49.1
Professional Reasoning · Legal
o3 Pro leads by +0.7
GPT-5
49.0
o3 Pro
49.7
WeirdML
GPT-5 leads by +2.5
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GPT-5
60.7
o3 Pro
58.2
Full benchmark table
| Benchmark | GPT-5 | o3 Pro |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 88.0 | 84.9 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 65.7 | 59.3 |
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. | 9.9 | 4.9 |
Dtbench | 84.5 | 78.2 |
Fiction.LiveBench Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination. | 97.2 | 97.2 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 86.0 | 84.4 |
Lmca | 47.0 | 45.3 |
Professional Reasoning · Finance | 51.3 | 49.1 |
Professional Reasoning · Legal | 49.0 | 49.7 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 60.7 | 58.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens