AI Models & Assistants / Knowledge library
Claude Sonnet 5.5
Claude Sonnet 5.5 is a versioned Claude language model. Consult its lifecycle and model documentation before selecting it.
Why learn Claude Sonnet 5.5?
Offers the documented Anthropic model capabilities through hosted.
The problem it solves
Provides model inference for supported text inputs.
Where it came from
Claude Sonnet 5.5: Claude Sonnet 5.5 is a versioned Claude language model. Consult its lifecycle and model documentation before selecting it. Published aliases: claude-sonnet-5-5. Input: text. Output: consult source. Checked 2026-10-13. Model capabilities are distinct from tools available in a particular agent.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Explain what Claude Sonnet 5.5 does.
- Identify a use case for Claude Sonnet 5.5.
- Describe a limitation of Claude Sonnet 5.5.
- Name a compatible tool for Claude Sonnet 5.5.
- Compare Claude Sonnet 5.5 against an alternative.
Documentation and sources
- Primary source / model card (platform.claude.com)
Catalog research notes
- See the AI Workbench for source dates, pricing evidence and configuration details.