A

Claude Fable 5.1 (batch)

Multimodalby Anthropic·Model page ↗

No description available for this model yet.

Rankings
#63on OpenRouter
294.7B tokens
View rankings →
Max output

Most tokens the model can return in a single response.

128Ktokens
Reasoning
Reasoning-first model

Works through a step-by-step chain of thought before answering.

Share:

Design Arena

Design Arena ranks models on real-world front-end and design tasks — websites, UI components, data viz, SVG and more — through head-to-head human votes, scored as an ELO rating.
CategoryELOWin rateRank
Game dev142969.9%#1
3D142770.3%#2
Data viz136763.7%#2
Code134559.4%#2
SVG134464.5%#2

Pricing

per 1M tokens
Input$5 /1M
Output$25 /1M
Cache read$0.125 /1M
Cache write$6.25 /1M
Web search$0.01

Model Description

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...

Author
A
Anthropic
Organization
anthropic
Details
Downloads—
Likes—
AccessClosed Source
Context1M tokens
Input price$5 /1M
Output price$25 /1M
CreatedSep 1, 2026
Updated—
View on Hugging Face
Benchmarks
Intelligence56.8
Coding81.6
Agentic58.2
Get the full context.

Sign up to read complete case studies, access detailed metrics, and unlock all use cases.

Claude Fable 5.1 (batch) — AI Model Details | Applied