Compare · ModelsLive · 2 picked · head to head
o3 Pro vs GPT-5
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5 wins on 6/8 benchmarks
GPT-5 wins 6 of 8 shared benchmarks. Leads in coding · reasoning.
Category leads
coding·GPT-5reasoning·GPT-5knowledge·o3 Pro
Hype vs Reality
Attention vs performance
o3 Pro
#33 by perf·no signal
GPT-5
#72 by perf·no signal
Best value
GPT-5
7.9x better value than o3 Pro
o3 Pro
1.2 pts/$
$50.00/M
GPT-5
9.7 pts/$
$5.63/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
8 benchmarks · 2 models
o3 ProGPT-5
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.
o3 Pro
84.9
GPT-5
88.0
ARC-AGI
GPT-5 leads by +6.4
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
o3 Pro
59.3
GPT-5
65.7
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.
o3 Pro
4.9
GPT-5
9.9
Fiction.LiveBench
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
o3 Pro
97.2
GPT-5
97.2
Lech Mazur Writing
GPT-5 leads by +1.0
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
o3 Pro
86.3
GPT-5
87.2
Professional Reasoning · Finance
GPT-5 leads by +2.2
o3 Pro
49.1
GPT-5
51.3
Professional Reasoning · Legal
o3 Pro leads by +0.7
o3 Pro
49.7
GPT-5
49.0
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.
o3 Pro
58.2
GPT-5
60.7
Full benchmark table
| Benchmark | o3 Pro | GPT-5 |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 84.9 | 88.0 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 59.3 | 65.7 |
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. | 4.9 | 9.9 |
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. | 86.3 | 87.2 |
Professional Reasoning · Finance | 49.1 | 51.3 |
Professional Reasoning · Legal | 49.7 | 49.0 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 58.2 | 60.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens