| Period | Input (per million tokens) | Output (per million tokens) |
|---|---|---|
| Through Aug 31, 2026 | $2 | $10 |
| Starting Sept 1, 2026 | $3 | $15 |
These prices are confirmed on Anthropic's official pricing page . The introductory rates apply to all API usage, including batch and cache tiers . At standard pricing, Sonnet 5's input cost is 40% lower than Opus 4.8 ($3 vs. $5 per million tokens), and during the introductory period the gap widens to 60% ($2 vs. $5) .
Claude Sonnet 5 is not a niche or restricted release—it is the default model everywhere:
claude-sonnet-5 on the Claude Platform .This means anyone using Claude today, from a casual chatbot user to an enterprise developer, interacts with Sonnet 5 by default .
Sonnet 5 is designed specifically for autonomous, multi-step AI tasks . Key improvements over prior Sonnet generations include:
| Period | Input (per million tokens) | Output (per million tokens) |
|---|---|---|
| Through Aug 31, 2026 | $2 | $10 |
| Starting Sept 1, 2026 | $3 | $15 |
These prices are confirmed on Anthropic's official pricing page . The introductory rates apply to all API usage, including batch and cache tiers . At standard pricing, Sonnet 5's input cost is 40% lower than Opus 4.8 ($3 vs. $5 per million tokens), and during the introductory period the gap widens to 60% ($2 vs. $5) .
Claude Sonnet 5 is not a niche or restricted release—it is the default model everywhere:
claude-sonnet-5 on the Claude Platform .This means anyone using Claude today, from a casual chatbot user to an enterprise developer, interacts with Sonnet 5 by default .
Sonnet 5 is designed specifically for autonomous, multi-step AI tasks . Key improvements over prior Sonnet generations include: