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Claude Fable 5 vs Inkling-Small

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Claude Fable 5Inkling-Small
AttributeClaude Fable 5Anthropic · 52 in the newsInkling-SmallThinking Machines · 2 in the news
Scores
Intelligence (ECI)163150
Coding9653
Math9652
Reasoning & Knowledge8941
Agentic & Tools96
Specifications
DeveloperAnthropicThinking Machines
FamilyClaude
ReleasedJun 9, 2026Jul 15, 2026
Parameters
AvailabilityAPI accessOpen weights (unrestricted)
Context window1M1M
Price — $/M input$10.00$0.50
Price — $/M output$50.00$1.20
Inputstext, image, filetext, image, audio
Outputstexttext
Benchmarks
AIME 2024/2025100%90%
APEX45%
ARC-AGI99%84%
ARC-AGI-289%40%
GPQA Diamond86%89%
Humanity's Last Exam56%33%
SciCode61%50%
SimpleBench82%
SimpleQA Verified71%19%
WebDev Arena16261402
WeirdML92%
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.