AI model · Anthropic
Claude Sonnet 5
Model ID: anthropic/claude-sonnet-5
- Input
- $2 per 1M tokens
- Output
- $10 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 128K tokens per reply
- Released
- 30 Jun 2026 Anthropic
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, image, file; gives text.
How its listing describes it
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Sources
- Anthropic: Claude Sonnet 5 on OpenRouter — read 2 Oct 2026