Anthropic/Blog/25/05/Introducing Claude 4
- claude-opus-4 and Sonnet 4 are hybrid models offering two modes: near-instant responses and extended thinking for deeper reasoning. The Pro, Max, Team, and Enterprise Claude plans include both models and extended thinking, with Sonnet 4 also available to free users. Both models are available on the Anthropic API, Amazon Bedrock, and Google Cloud's Vertex AI.
- Pricing remains consistent with previous Opus and Sonnet models: Opus 4 at
$15/$75 per million tokens (input/output) and Sonnet 4 at $3/$15.