anthropic/claude-fable-5.1:batchClaude Fable 5.1 (batch) is Anthropic’s AI model, released Sep 1, 2026. It costs $5/M input and $25/M output tokens, and handles a 1M-token context window.
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: long code refactors, front-end and visual…
Scores on standardized evaluations. Higher is better — and rank shows where Claude Fable 5.1 (batch) lands among all models tracked on Model Beat.
No standardized benchmark scores from Epoch AI yet — common for very recent, image, or niche models. Scores appear here once published.
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: long code refactors, front-end and visual…
Claude Fable 5.1 (batch) is an AI model developed by Anthropic, part of the Claude family, released Sep 1, 2026.
Claude Fable 5.1 (batch)'s list price from Anthropic is $5 per million input tokens and $25 per million output tokens.
Claude Fable 5.1 (batch) supports a context window of up to 1M tokens.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 10, 2026.