Anthropic · LLM
Claude Sonnet 4.5
Anthropic's coding- and agent-focused flagship in the Claude 4 family.
Capabilities
- ▸agentic coding
- ▸computer use
Use cases
coding agents · automation
Lineage
View the full Claude lineage →AI research assistant
Free · open modelsAsk about Claude Sonnet 4.5
Sources & verification
Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Aug 9, 2026