Compare · ModelsLive · 2 picked · head to head

GPT-6 Astra vs Claude Fable 5

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

Winner summary

GPT-6 Astra wins 18 of 22 shared benchmarks. Leads in agentic · reasoning · knowledge.

Category leads
speed·Claude Fable 5agentic·GPT-6 Astrareasoning·GPT-6 Astraknowledge·GPT-6 Astracoding·GPT-6 Astrageneral·GPT-6 Astramath·GPT-6 Astra
Hype vs Reality
GPT-6 Astra
#9 by perf·#1 by attention
DESERVED
Claude Fable 5
#27 by perf·#12 by attention
UNDERRATED
Best value
1.1x better value than Claude Fable 5
GPT-6 Astra
2.6 pts/$
$30.00/M
Claude Fable 5
2.3 pts/$
$30.00/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Anthropic logo
Anthropic
$965.0B·Tier 1
Medium risk
Head to head
GPT-6 AstraClaude Fable 5
Artificial Analysis · Quality Index
Claude Fable 5 leads by +7.2
GPT-6 Astra
52.7
Claude Fable 5
59.9
APEX-Agents
GPT-6 Astra 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.
GPT-6 Astra
64.7
Claude Fable 5
63.6
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GPT-6 Astra
98.5
Claude Fable 5
98.5
ARC-AGI-2
GPT-6 Astra leads by +5.8
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-6 Astra
95.0
Claude Fable 5
89.2
Chess Puzzles
GPT-6 Astra leads by +32.6
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-6 Astra
70.5
Claude Fable 5
37.9
Deepswe
GPT-6 Astra leads by +4.2
GPT-6 Astra
74.1
Claude Fable 5
69.9
Dtbench
Claude Fable 5 leads by +1.8
GPT-6 Astra
95.5
Claude Fable 5
97.3
Ebr Bench
GPT-6 Astra leads by +36.7
GPT-6 Astra
76.2
Claude Fable 5
39.5
Frontiercode
Claude Fable 5 leads by +0.2
GPT-6 Astra
53.3
Claude Fable 5
53.5
FrontierMath-Tier-4-v2-Private
GPT-6 Astra leads by +7.4
GPT-6 Astra
97.6
Claude Fable 5
90.2
FrontierMath-Tiers-1-3-v2-Private
GPT-6 Astra leads by +6.7
GPT-6 Astra
93.7
Claude Fable 5
87.0
Frontierswe
GPT-6 Astra leads by +18.6
GPT-6 Astra
65.5
Claude Fable 5
47.0
Furniture Assembly
GPT-6 Astra leads by +63.1
GPT-6 Astra
71.4
Claude Fable 5
8.3
GPQA diamond
GPT-6 Astra leads by +13.2
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-6 Astra
94.4
Claude Fable 5
81.1
Lmca
GPT-6 Astra leads by +3.8
GPT-6 Astra
75.7
Claude Fable 5
71.9
Mirrorcode
Claude Fable 5 leads by +17.2
GPT-6 Astra
46.7
Claude Fable 5
63.9
Mystery Game Puzzles
GPT-6 Astra leads by +35.3
GPT-6 Astra
82.4
Claude Fable 5
47.1
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-6 Astra
100.0
Claude Fable 5
100.0
Proofbench
GPT-6 Astra leads by +4.0
GPT-6 Astra
99.0
Claude Fable 5
95.0
Remote Labor Index
GPT-6 Astra leads by +4.7
GPT-6 Astra
20.8
Claude Fable 5
16.1
SimpleQA Verified
GPT-6 Astra leads by +4.9
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-6 Astra
75.6
Claude Fable 5
70.7
WeirdML
GPT-6 Astra leads by +1.6
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GPT-6 Astra
93.6
Claude Fable 5
91.9
Full benchmark table
BenchmarkGPT-6 AstraClaude Fable 5
Artificial Analysis · Quality Index
52.759.9
APEX-Agents
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
64.763.6
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
98.598.5
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.
95.089.2
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
70.537.9
Deepswe
74.169.9
Dtbench
95.597.3
Ebr Bench
76.239.5
Frontiercode
53.353.5
FrontierMath-Tier-4-v2-Private
97.690.2
FrontierMath-Tiers-1-3-v2-Private
93.787.0
Frontierswe
65.547.0
Furniture Assembly
71.48.3
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
94.481.1
Lmca
75.771.9
Mirrorcode
46.763.9
Mystery Game Puzzles
82.447.1
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
100.0100.0
Proofbench
99.095.0
Remote Labor Index
20.816.1
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
75.670.7
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
93.691.9
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoGPT-6 Astra$10.00$50.001.1M tokens (~525 books)$200.00
Anthropic logoClaude Fable 5$10.00$50.001.0M tokens (~500 books)$200.00