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Claude Fable 5 vs Inkling (batch)

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Claude Fable 5Inkling (batch)
AttributeClaude Fable 5Anthropic · 52 in the newsInkling (batch)Thinking Machines
Scores
Intelligence (ECI)163—
Coding91—
Math91—
Reasoning & Knowledge86—
Agentic & Tools92—
Specifications
DeveloperAnthropicThinking Machines
FamilyClaude—
ReleasedJun 9, 2026Jul 17, 2026
Parameters——
AvailabilityAPI access—
Context window1M524K
Price — $/M input$10.00$1.00
Price — $/M output$50.00$4.05
Inputstext, image, filetext, image, audio
Outputstexttext
Benchmarks
AIME 2024/2025100%—
APEX64%—
ARC-AGI99%—
ARC-AGI-289%—
GPQA Diamond86%—
GSO (code optimization)78%—
Humanity's Last Exam56%—
SciCode61%—
SimpleBench82%—
SimpleQA Verified71%—
WebDev Arena1628—
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.