Compare · ModelsLive · 2 picked · head to head
Claude Opus 4 vs GPT-5 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5 Pro wins on 6/6 benchmarks
GPT-5 Pro wins 6 of 6 shared benchmarks. Leads in reasoning · math · knowledge.
Category leads
reasoning·GPT-5 Promath·GPT-5 Proknowledge·GPT-5 Procoding·GPT-5 Pro
Hype vs Reality
Attention vs performance
Claude Opus 4
#157 by perf·#9 by attention
GPT-5 Pro
#178 by perf·#10 by attention
Best value
Claude Opus 4
1.6x better value than GPT-5 Pro
Claude Opus 4
1.0 pts/$
$45.00/M
GPT-5 Pro
0.6 pts/$
$67.50/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
6 benchmarks · 2 models
Claude Opus 4GPT-5 Pro
ARC-AGI
GPT-5 Pro leads by +34.5
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Opus 4
35.7
GPT-5 Pro
70.2
ARC-AGI-2
GPT-5 Pro leads by +9.7
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
Claude Opus 4
8.6
GPT-5 Pro
18.3
FrontierMath-Tier-4-2025-07-01-Private
GPT-5 Pro leads by +7.7
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
Claude Opus 4
6.9
GPT-5 Pro
14.6
HLE
GPT-5 Pro leads by +22.0
HLE (Humanity's Last Exam) · a reasoning benchmark designed to be the hardest public evaluation of AI. Questions span mathematics, physics, philosophy, and logic · curated to be at or beyond the frontier of human expert capability. Tested with and without tool augmentation. Claude Opus 4.7 scores 46.9% without tools and 54.7% with tools · making it one of the few benchmarks where the top score is below 60%.
Claude Opus 4
6.2
GPT-5 Pro
28.2
SimpleBench
GPT-5 Pro leads by +3.4
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Claude Opus 4
50.6
GPT-5 Pro
53.9
WeirdML
GPT-5 Pro leads by +16.7
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Opus 4
43.7
GPT-5 Pro
60.4
Full benchmark table
| Benchmark | Claude Opus 4 | GPT-5 Pro |
|---|---|---|
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 35.7 | 70.2 |
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. | 8.6 | 18.3 |
FrontierMath-Tier-4-2025-07-01-Private FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning. | 6.9 | 14.6 |
HLE HLE (Humanity's Last Exam) · a reasoning benchmark designed to be the hardest public evaluation of AI. Questions span mathematics, physics, philosophy, and logic · curated to be at or beyond the frontier of human expert capability. Tested with and without tool augmentation. Claude Opus 4.7 scores 46.9% without tools and 54.7% with tools · making it one of the few benchmarks where the top score is below 60%. | 6.2 | 28.2 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 50.6 | 53.9 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 43.7 | 60.4 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $15.00 | $75.00 | 200K tokens (~100 books) | $300.00 | |
| $15.00 | $120.00 | 400K tokens (~200 books) | $412.50 |
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