Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.6 vs GPT-5.4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.4 wins on 7/13 benchmarks
GPT-5.4 wins 7 of 13 shared benchmarks. Leads in agentic · knowledge · math.
Category leads
agentic·GPT-5.4reasoning·Claude Opus 4.6arena·Claude Opus 4.6knowledge·GPT-5.4math·GPT-5.4coding·Claude Opus 4.6
Hype vs Reality
Attention vs performance
Claude Opus 4.6
#54 by perf·#4 by attention
GPT-5.4
#44 by perf·no signal
Best value
GPT-5.4
1.8x better value than Claude Opus 4.6
Claude Opus 4.6
3.8 pts/$
$15.00/M
GPT-5.4
6.7 pts/$
$8.75/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 Opus 4.6GPT-5.4
APEX-Agents
GPT-5.4 leads by +4.2
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Claude Opus 4.6
31.7
GPT-5.4
35.9
ARC-AGI
Claude Opus 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 Opus 4.6
94.0
GPT-5.4
93.7
ARC-AGI-2
GPT-5.4 leads by +4.8
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 4.6
69.2
GPT-5.4
74.0
Chatbot Arena Elo · Overall
Claude Opus 4.6 leads by +30.8
Claude Opus 4.6
1496.6
GPT-5.4
1465.8
Chess Puzzles
GPT-5.4 leads by +27.0
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Opus 4.6
17.0
GPT-5.4
44.0
FrontierMath-2025-02-28-Private
GPT-5.4 leads by +6.9
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
Claude Opus 4.6
40.7
GPT-5.4
47.6
FrontierMath-Tier-4-2025-07-01-Private
GPT-5.4 leads by +4.2
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
22.9
GPT-5.4
27.1
GPQA diamond
GPT-5.4 leads by +3.7
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 4.6
87.4
GPT-5.4
91.1
OTIS Mock AIME 2024-2025
GPT-5.4 leads by +0.9
OTIS Mock AIME 2024–2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 4.6
94.4
GPT-5.4
95.3
PostTrainBench
Claude Opus 4.6 leads by +2.9
Claude Opus 4.6
23.2
GPT-5.4
20.2
SimpleQA Verified
Claude Opus 4.6 leads by +1.7
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Opus 4.6
46.5
GPT-5.4
44.8
SWE-Bench verified
Claude Opus 4.6 leads by +1.9
Claude Opus 4.6
78.7
GPT-5.4
76.9
WeirdML
Claude Opus 4.6 leads by +20.5
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Opus 4.6
77.9
GPT-5.4
57.4
Full benchmark table
| Benchmark | Claude Opus 4.6 | GPT-5.4 |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 31.7 | 35.9 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 94.0 | 93.7 |
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. | 69.2 | 74.0 |
Chatbot Arena Elo · Overall | 1496.6 | 1465.8 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 17.0 | 44.0 |
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. | 40.7 | 47.6 |
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. | 22.9 | 27.1 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 87.4 | 91.1 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024–2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 94.4 | 95.3 |
PostTrainBench | 23.2 | 20.2 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 46.5 | 44.8 |
SWE-Bench verified | 78.7 | 76.9 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 77.9 | 57.4 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| Claude Opus 4.6 | $5.00 | $25.00 | 1.0M tokens (~500 books) | $100.00 |
| GPT-5.4 | $2.50 | $15.00 | 1.1M tokens (~525 books) | $56.25 |