Just as we're all discovering the advanced performance of Claude Opus 4.6, Anthropic is unveiling Claude Sonnet 4.6 — and it’s a bigger upgrade than the version number suggests. The company says this is its most capable Sonnet model yet, bringing major improvements across coding, reasoning, computer use and design — all while keeping the same pricing as Sonnet 4.5.
More importantly, Sonnet 4.6 closes the gap between mid-tier and flagship AI models. Tasks that previously required an Opus-class model can now run on Sonnet — at a fraction of the cost. Here’s what you need to know.
