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Anthropic
Claude Fable 5
Claude for complex agents and development
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See available modelsAbout the model
Claude Fable 5 is a model in the Claude lineup from Anthropic for the most complex development tasks and agent scenarios. It offers deep reasoning, strong work with code, precise adherence to instructions and system prompts, and careful, reliable output. The model understands images, screenshots and diagrams and holds a huge context window that fits entire codebases, lengthy documents and long conversations. It reliably calls tools (function-calling) and carries out multi-step actions, so it suits autonomous agents. It works well with Russian and is precise in the details.
Strengths
- Deep reasoning and strong work with code
- Huge context
- Works with images and visual context
- Precise adherence to instructions and system prompts
- Reliable agent coordination and tool calling
Where to use it
- Development, debugging and in-depth code review
- Architecture design and algorithm analysis
- Autonomous agents and multi-step planning
- Complex analytics and research
- Working with huge codebases and documents
- Assistants that analyze images