Compare · ModelsLive · 2 picked · head to head

Claude Opus 5 vs GPT-6 Astra

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

GPT-6 Astra wins 15 of 20 shared benchmarks. Leads in reasoning · knowledge · coding.

Category leads
agentic·Claude Opus 5reasoning·GPT-6 Astraknowledge·GPT-6 Astracoding·GPT-6 Astrageneral·Claude Opus 5math·GPT-6 Astra
Hype vs Reality
Claude Opus 5
#21 by perf·#6 by attention
DESERVED
GPT-6 Astra
#9 by perf·#1 by attention
DESERVED
Best value
1.8x better value than GPT-6 Astra
Claude Opus 5
4.6 pts/$
$15.00/M
GPT-6 Astra
2.6 pts/$
$30.00/M
Vendor risk
Anthropic logo
Anthropic
$965.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
Claude Opus 5GPT-6 Astra
APEX-Agents
Claude Opus 5 leads by +1.1
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Claude Opus 5
65.8
GPT-6 Astra
64.7
ARC-AGI
GPT-6 Astra leads by +1.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Opus 5
97.5
GPT-6 Astra
98.5
ARC-AGI-2
GPT-6 Astra leads by +4.6
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
90.4
GPT-6 Astra
95.0
Balrog
GPT-6 Astra leads by +4.9
Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning.
Claude Opus 5
63.4
GPT-6 Astra
68.3
Chess Puzzles
GPT-6 Astra leads by +31.6
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Opus 5
39.0
GPT-6 Astra
70.5
Deepswe
GPT-6 Astra leads by +0.5
Claude Opus 5
73.7
GPT-6 Astra
74.1
Dtbench
Claude Opus 5 leads by +0.9
Claude Opus 5
96.5
GPT-6 Astra
95.5
Ebr Bench
GPT-6 Astra leads by +30.5
Claude Opus 5
45.7
GPT-6 Astra
76.2
Frontiercode
Claude Opus 5 leads by +0.1
Claude Opus 5
53.4
GPT-6 Astra
53.3
FrontierMath-Tier-4-v2-Private
GPT-6 Astra leads by +24.4
Claude Opus 5
73.2
GPT-6 Astra
97.6
FrontierMath-Tiers-1-3-v2-Private
GPT-6 Astra leads by +8.1
Claude Opus 5
85.6
GPT-6 Astra
93.7
Frontierswe
GPT-6 Astra leads by +13.5
Claude Opus 5
52.0
GPT-6 Astra
65.5
Furniture Assembly
GPT-6 Astra leads by +27.4
Claude Opus 5
44.0
GPT-6 Astra
71.4
GPQA diamond
GPT-6 Astra leads by +2.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 5
91.8
GPT-6 Astra
94.4
Lmca
Claude Opus 5 leads by +0.1
Claude Opus 5
75.8
GPT-6 Astra
75.7
Mystery Game Puzzles
GPT-6 Astra leads by +27.5
Claude Opus 5
54.8
GPT-6 Astra
82.4
OTIS Mock AIME 2024-2025
GPT-6 Astra leads by +1.1
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 5
98.9
GPT-6 Astra
100.0
Proofbench
Claude Opus 5
99.0
GPT-6 Astra
99.0
SimpleQA Verified
GPT-6 Astra leads by +15.7
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Opus 5
59.9
GPT-6 Astra
75.6
WeirdML
GPT-6 Astra leads by +1.8
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Opus 5
91.8
GPT-6 Astra
93.6
Full benchmark table
BenchmarkClaude Opus 5GPT-6 Astra
APEX-Agents
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
65.864.7
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
97.598.5
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.
90.495.0
Balrog
Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning.
63.468.3
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
39.070.5
Deepswe
73.774.1
Dtbench
96.595.5
Ebr Bench
45.776.2
Frontiercode
53.453.3
FrontierMath-Tier-4-v2-Private
73.297.6
FrontierMath-Tiers-1-3-v2-Private
85.693.7
Frontierswe
52.065.5
Furniture Assembly
44.071.4
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
91.894.4
Lmca
75.875.7
Mystery Game Puzzles
54.882.4
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
98.9100.0
Proofbench
99.099.0
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
59.975.6
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
91.893.6
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude Opus 5$5.00$25.001.0M tokens (~500 books)$100.00
OpenAI logoGPT-6 Astra$10.00$50.001.1M tokens (~525 books)$200.00