Claude Fable 5
Anthropic's Claude Fable 5 is a chat model capable of processing diverse inputs, including images, PDFs, and text, with a notable context window of 1,000,000 tokens. It excels in various benchmarks, demonstrating strength in intelligence, coding, and question-answering tasks, as evidenced by its top 10% scores in Intelligence Index, Coding Index, GPQA, and HLE. With its large context window, Claude Fable 5 can handle complex and lengthy conversations.
Input
Output
Context
1000K
Max Output
128K
Parameters
6000B
Technical Specifications
Model TypeChat
Context Window1,000,000 tokens
Max Output Tokens128,000 tokens
Parameters6000B
Release DateJun 7, 2026
Training CutoffJan 1, 2026
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
53.3%
HLE
92.6%
GPQA
60.2%
SciCode
76.5
Coding
59.9
Intelligence
Resources & Links
proprietary, Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 24, 2026
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