Claude Fable 5.1 (batch)

ANTHROPIC Developer Architecture Profile

OpenRouter ↗HuggingFace ↗

Intelligence (ELO)1499Chatbot Arena Verified

Max Context Limit1,000,000Max Out: 128,000 tokens

Prompt Caching98% OFF$0.13 / 1M cached

Standard API / 1M$30.00Blended Standard Rate

Model Capabilities & Contract SLAs

Agentic
Coding & Logic
Fictional
📋 Strict JSON Schema
🛠️ Native Tool Calling

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...

Granular Pricing Matrix

Input Tokens (Standard Prompt)$5.00 / 1M

⚡ Cached Input (Prompt Cache Read)98% OFF$0.13 / 1M

Output Tokens (Completion)$25.00 / 1M

Pricing data via OpenRouter. Sync: 10/2/2026

Evaluate Competitors

VS Engine MatchupClaude Fable 5.1 (batch) vs OpenAI: GPT-5.6 Luna VS Engine MatchupClaude Fable 5.1 (batch) vs OpenAI: GPT-5.6 Sol Pro (batch)VS Engine MatchupClaude Fable 5.1 (batch) vs Google: Gemini 2.5 Pro (batch)VS Engine MatchupClaude Fable 5.1 (batch) vs OpenAI: GPT-4.1 Nano VS Engine MatchupClaude Fable 5.1 (batch) vs Google: Gemini 3.6 Flash (batch)VS Engine MatchupClaude Fable 5.1 (batch) vs OpenAI: GPT-5.6 Luna Pro (batch)