Compare · ModelsLive · 2 picked · head to head
GPT-5.2 Pro vs GPT-5.5
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.5 wins on 7/7 benchmarks
GPT-5.5 wins 7 of 7 shared benchmarks. Leads in reasoning · knowledge · math.
Category leads
reasoning·GPT-5.5knowledge·GPT-5.5math·GPT-5.5
Hype vs Reality
Attention vs performance
GPT-5.2 Pro
#65 by perf·#9 by attention
GPT-5.5
#64 by perf·#9 by attention
Best value
GPT-5.5
5.4x better value than GPT-5.2 Pro
GPT-5.2 Pro
0.6 pts/$
$94.50/M
GPT-5.5
3.3 pts/$
$17.50/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
7 benchmarks · 2 models
GPT-5.2 ProGPT-5.5
ARC-AGI
GPT-5.5 leads by +4.5
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GPT-5.2 Pro
90.5
GPT-5.5
95.0
ARC-AGI-2
GPT-5.5 leads by +30.8
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-5.2 Pro
54.2
GPT-5.5
85.0
Chess Puzzles
GPT-5.5 leads by +3.2
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-5.2 Pro
57.9
GPT-5.5
61.1
FrontierMath-Tier-4-2025-07-01-Private
GPT-5.5 leads by +4.1
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
GPT-5.2 Pro
31.3
GPT-5.5
35.4
FrontierMath-Tier-4-v2-Private
GPT-5.5 leads by +26.5
GPT-5.2 Pro
46.0
GPT-5.5
72.5
FrontierMath-Tiers-1-3-v2-Private
GPT-5.5 leads by +11.9
GPT-5.2 Pro
77.9
GPT-5.5
89.8
SimpleBench
GPT-5.5 leads by +13.9
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
GPT-5.2 Pro
48.9
GPT-5.5
62.8
Full benchmark table
| Benchmark | GPT-5.2 Pro | GPT-5.5 |
|---|---|---|
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 90.5 | 95.0 |
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. | 54.2 | 85.0 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 57.9 | 61.1 |
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. | 31.3 | 35.4 |
FrontierMath-Tier-4-v2-Private | 46.0 | 72.5 |
FrontierMath-Tiers-1-3-v2-Private | 77.9 | 89.8 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 48.9 | 62.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $21.00 | $168.00 | 400K tokens (~200 books) | $577.50 | |
| $5.00 | $30.00 | 1.1M tokens (~525 books) | $112.50 |