Claude Fable 5.2
Claude Fable 5.2 is an AI model developed by Anthropic designed for complex technical tasks and reasoning. It supports large-scale inputs including text, images, and files, and features enhanced capabilities in coding and vision analysis.
Claude Fable 5.2 specs and pricing
- Provider: Anthropic
- Released: November 9, 2026
- Context window: 1M tokens
- Max output: 128K tokens
- Input: text, images, files
- Output: text
- Price: $8.00 input / $40 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Claude Fable 5.2 is good at
- Analyzing large technical documents or codebases
- Complex reasoning tasks requiring high precision
- Processing visual data alongside text input
To-dos to try with Claude Fable 5.2
- Upload a massive technical manual and ask it to summarize the troubleshooting steps for a specific error code.
- Provide a complex software project folder and ask it to identify potential security vulnerabilities.
- Upload a series of diagrams and request a detailed explanation of the workflow they represent.
FAQ
- What is Claude Fable 5.2 best at? This model is designed for demanding technical work, specifically excelling in coding, reasoning, and vision-based tasks.
- Can this model process files and images? Yes, Claude Fable 5.2 accepts text, image, and file inputs for analysis.
- How much does Claude Fable 5.2 cost? Claude Fable 5.2 costs $8.00 per million input tokens and $40 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 28 credits ($1 = 100 credits).
- What is the context window of Claude Fable 5.2? Claude Fable 5.2 can read up to 1M tokens at once and write up to 128K tokens in one reply.
- Can I use Claude Fable 5.2 without coding? Yes. In todo.is you pick Claude Fable 5.2 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.