Claude Sonnet 5 is Anthropic's current default Claude model, launched June 30, 2026. This page tracks the commercial side: what it costs and where it runs.
Pricing
- $2 per million input tokens, $10 per million output tokens through August 31, 2026.
- $3 per million input tokens, $15 per million output tokens from September 1, 2026 onward, matching the prior Sonnet 4.6 rate.
- Default model for Free and Pro plans; also available on Max, Team, and Enterprise, in Claude Code, and via the API as claude-sonnet-5.