Compare · ModelsLive · 2 picked · head to head
Claude Opus 5.5 vs GPT-5.2 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 5.5 wins on 5/5 benchmarks
Claude Opus 5.5 wins 5 of 5 shared benchmarks. Leads in reasoning · knowledge · math.
Category leads
reasoning·Claude Opus 5.5knowledge·Claude Opus 5.5math·Claude Opus 5.5
Hype vs Reality
Attention vs performance
Claude Opus 5.5
#12 by perf·#9 by attention
GPT-5.2 Pro
#63 by perf·#10 by attention
Best value
Claude Opus 5.5
10.2x better value than GPT-5.2 Pro
Claude Opus 5.5
6.2 pts/$
$12.00/M
GPT-5.2 Pro
0.6 pts/$
$94.50/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
5 benchmarks · 2 models
Claude Opus 5.5GPT-5.2 Pro
ARC-AGI
Claude Opus 5.5 leads by +8.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Opus 5.5
98.5
GPT-5.2 Pro
90.5
ARC-AGI-2
Claude Opus 5.5 leads by +39.2
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 5.5
93.3
GPT-5.2 Pro
54.2
Chess Puzzles
Claude Opus 5.5 leads by +7.4
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Opus 5.5
65.3
GPT-5.2 Pro
57.9
FrontierMath-Tier-4-v2-Private
Claude Opus 5.5 leads by +49.0
Claude Opus 5.5
95.0
GPT-5.2 Pro
46.0
FrontierMath-Tiers-1-3-v2-Private
Claude Opus 5.5 leads by +17.2
Claude Opus 5.5
91.2
GPT-5.2 Pro
74.0
Full benchmark table
| Benchmark | Claude Opus 5.5 | GPT-5.2 Pro |
|---|---|---|
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 98.5 | 90.5 |
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. | 93.3 | 54.2 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 65.3 | 57.9 |
FrontierMath-Tier-4-v2-Private | 95.0 | 46.0 |
FrontierMath-Tiers-1-3-v2-Private | 91.2 | 74.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $4.00 | $20.00 | 1.0M tokens (~500 books) | $80.00 | |
| $21.00 | $168.00 | 400K tokens (~200 books) | $577.50 |
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