Compare · ModelsLive · 2 picked · head to head
Claude Sonnet 4.6 vs GPT-5.2
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.2 wins on 8/13 benchmarks
GPT-5.2 wins 8 of 13 shared benchmarks. Leads in knowledge · math.
Category leads
reasoning·Claude Sonnet 4.6arena·Claude Sonnet 4.6knowledge·GPT-5.2math·GPT-5.2coding·Claude Sonnet 4.6
Hype vs Reality
Attention vs performance
Claude Sonnet 4.6
#102 by perf·#18 by attention
GPT-5.2
#74 by perf·no signal
Best value
GPT-5.2
1.3x better value than Claude Sonnet 4.6
Claude Sonnet 4.6
5.3 pts/$
$9.00/M
GPT-5.2
6.9 pts/$
$7.88/M
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
13 benchmarks · 2 models
Claude Sonnet 4.6GPT-5.2
ARC-AGI
Claude Sonnet 4.6 leads by +0.3
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Sonnet 4.6
86.5
GPT-5.2
86.2
ARC-AGI-2
Claude Sonnet 4.6 leads by +7.5
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
Claude Sonnet 4.6
60.4
GPT-5.2
52.9
Chatbot Arena Elo · Coding
Claude Sonnet 4.6 leads by +117.9
Claude Sonnet 4.6
1521.0
GPT-5.2
1403.1
Chatbot Arena Elo · Overall
Claude Sonnet 4.6 leads by +22.7
Claude Sonnet 4.6
1462.2
GPT-5.2
1439.5
Chess Puzzles
GPT-5.2 leads by +36.0
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Sonnet 4.6
13.0
GPT-5.2
49.0
FrontierMath-2025-02-28-Private
GPT-5.2 leads by +8.3
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
Claude Sonnet 4.6
32.4
GPT-5.2
40.7
FrontierMath-Tier-4-2025-07-01-Private
GPT-5.2 leads by +10.5
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
Claude Sonnet 4.6
8.3
GPT-5.2
18.8
GPQA diamond
GPT-5.2 leads by +5.4
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Sonnet 4.6
83.2
GPT-5.2
88.5
OTIS Mock AIME 2024-2025
GPT-5.2 leads by +10.3
OTIS Mock AIME 2024–2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Sonnet 4.6
85.8
GPT-5.2
96.1
PostTrainBench
GPT-5.2 leads by +5.0
Claude Sonnet 4.6
16.4
GPT-5.2
21.4
SimpleQA Verified
GPT-5.2 leads by +9.9
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Sonnet 4.6
29.0
GPT-5.2
38.9
SWE-Bench verified
Claude Sonnet 4.6 leads by +1.4
Claude Sonnet 4.6
75.2
GPT-5.2
73.8
WeirdML
GPT-5.2 leads by +6.1
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Sonnet 4.6
66.1
GPT-5.2
72.2
Full benchmark table
| Benchmark | Claude Sonnet 4.6 | GPT-5.2 |
|---|---|---|
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 86.5 | 86.2 |
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. | 60.4 | 52.9 |
Chatbot Arena Elo · Coding | 1521.0 | 1403.1 |
Chatbot Arena Elo · Overall | 1462.2 | 1439.5 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 13.0 | 49.0 |
FrontierMath-2025-02-28-Private FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning. | 32.4 | 40.7 |
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. | 8.3 | 18.8 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 83.2 | 88.5 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024–2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 85.8 | 96.1 |
PostTrainBench | 16.4 | 21.4 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 29.0 | 38.9 |
SWE-Bench verified | 75.2 | 73.8 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 66.1 | 72.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| Claude Sonnet 4.6 | $3.00 | $15.00 | 1.0M tokens (~500 books) | $60.00 |
| GPT-5.2 | $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 |