Claude Fable 5.1 (batch)
Anthropic馃嚭馃嚫
anthropic/claude-fable-5.1:batchBatch-processing variant of Claude Fable 5.1, Anthropic's most capable model for coding, knowledge work, and long-running problem-solving with a 1M-token context window. Same capabilities as the standard model, offered at lower cost via asynchronous batch processing.
Cost rate
5x
Context
1M
Released
Sep 1, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Writing, Literature, & Language
#2 路 top 1%
Document analysis
#2 路 top 5%
Entertainment, Sports, & Media
#3 路 top 1%
Mathematical
#6 路 top 2%