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VENICE ATLAS · MODEL DOSSIER · CLAUDE FABLE 5.1

Model overview

Claude Fable 5.1

Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work such as long code refactors, front-end development, and finance and analysis tasks. It features a 1M token context window, 128K max output tokens, always-on adaptive thinking, and strong multimodal capabilities, and tends to be more concise in its plans and summaries.

claude-fable-5-1 · venice.ai
Text · Venice catalog$10.00 per 1M tokensPrice on Venice AI
ModalityTextOn Venice AI
Primary price$10.00 per 1M tokensper 1M tokens
Context window1MMax tokens
Benchmarks7Benchmark results

Benchmark results

See the tests behind each score. They use the benchmark’s original scoring scale.

Agents#938.21 ratingCoding#2434.18 ratingVision#341.34 ratingGeneral intelligence#753.22 ratingMath#144.03 ratingMultimodal#2231.94 ratingReasoning#1050.74 ratingTool Calling#2026.83 rating
Agents1 result
AutomationBenchautomationbench · agents
31.4%
ReportedOct 2026
Coding1 result
CursorBench v3.2cursorbench-3.2 · code
73.4%
ReportedOct 2026
General intelligence1 result
GDPval-AAgdpval-aa · general
61.8%
ReportedOct 2026
Multimodal1 result
OSWorld 2.0osworld-2.0 · multimodal
77.9%
ReportedOct 2026
Reasoning3 results
Humanity's Last Examhumanity's-last-exam · reasoning
65.0%
ReportedOct 2026
Terminal-Bench 4.0terminal-bench-4.0 · reasoning
55.8%
ReportedOct 2026
Terminal-Bench-Science 0.1terminal-bench-science-0.1 · reasoning
52.6%
ReportedOct 2026

Learn what each benchmark measures ↗

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