Chapter 01 : Claude 3.7 Sonnet: Frontier reasoning made practical Claude 3.7 Sonnet and Claude Code 01 Claude 3.7 Sonnet: Frontier reasoning made practical 02 Claude Code 03 Working with Claude on your codebase 04 Building responsibly 05 Looking ahead Published Feb 24, 2025 Category Models Topics, the company said on 24 February 2025.
Related articles Features Feb 23, 2026 The making of Claude Code View more Today, we’re announcing Claude 3.7 Sonnet 1 , our most intelligent model to date and the first hybrid reasoning model on the market. Claude 3.7 Sonnet can produce near-instant responses or extended, step-by-step thinking that is made visible to the user . API users also have fine-grained control over how long the model can think for.
API users also have fine-grained control over how long the model can think for. Claude 3.7 Sonnet shows particularly strong improvements in coding and front-end web development.
For enterprise buyers, the useful next step is to map the claim to controls, data residency and measurable outcomes—and to ask for evidence on failure modes, oversight and auditability before treating the release as production-ready fact.