Claude Fable 5

Release Date: June 9, 2026     Creator: Anthropic

Claude Fable 5 is Anthropic's most capable model, designed for extended reasoning and agentic work flows.

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Model Specifications
Knowledge Cutoff
January 2026
N/A
Context (VividLLM)
64,000 Tokens
N/A
With a context window of 64,000 tokens, this model can 'remember' and analyze up to 96 pages of data at once. This makes it a top choice for processing technical manuals and multi-chapter reports.
Context (Native)
1,000,000 Tokens
N/A
Input ModalitiesTextImagePDFTextImagePDF
Tool Calling
yes
N/A
Output TypeTextText
Default Max Output81928192
Input Weight
8.00 x (Pro)
N/A
Output Weight
8.00 x (Pro)
N/A

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Chat with Claude Fable 5, GPT-5.5 & Gemini 3.5 Flash | VividLLM