← All models
Compare

Claude Fable 5 vs GPT-6 Astra

Add, remove, or swap models to compare them side by side.

Claude Fable 5GPT-6 Astra
AttributeClaude Fable 5Anthropic · 52 in the newsGPT-6 AstraOpenAI · 17 in the news
Scores
Intelligence (ECI)163169
Coding9695
Math9696
Reasoning & Knowledge8999
Agentic & Tools9696
Specifications
DeveloperAnthropicOpenAI
FamilyClaudeGPT
ReleasedJun 9, 2026Sep 3, 2026
Parameters
AvailabilityAPI accessAPI access
Context window1M1.1M
Price — $/M input$10.00$10.00
Price — $/M output$50.00$50.00
Inputstext, image, filefile, image, text
Outputstexttext
Benchmarks
AIME 2024/2025100%100%
APEX45%47%
ARC-AGI99%99%
ARC-AGI-289%95%
GPQA Diamond86%96%
Humanity's Last Exam56%55%
SciCode61%56%
SimpleBench82%
SimpleQA Verified71%76%
WebDev Arena16261797
WeirdML92%93%
τ²-bench99%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.