Claude Fable 5.1

An improvement 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 work. 1M token context; accepts text, images and files.

Understands

text, images, documents

Produces

text, code

Contents verified with the vendor: 2026-09-02

Included in subscriptions

• Augment Code Augment · Business, Enterprise
• Browser Use Browser Use · Pay as You Go, Dev, Business, Scaleup, Enterprise
• Claude Anthropic · Max 5x, Max 20x, Team Premium
• Claude Code Anthropic · Claude Pro, Claude Max 5x, Claude Max 20x, Claude Team Standard, Claude Team Premium, Claude Enterprise
• Cursor Anysphere · Pro, Pro+, Ultra, Teams Standard, Teams Premium, Enterprise
• JetBrains AI Assistant JetBrains · AI Pro, AI Ultimate, AI Enterprise
• JetBrains Junie JetBrains · AI Pro, AI Ultimate, AI Enterprise
• Julius AI Julius AI · Pro, Max
• Perplexity Perplexity AI · Pro, Max
• Warp Warp · Build, Max, Business, Enterprise
• Zed Zed Industries · Pro, Business