AI news · September 30, 2026

Anthropic releases Sonnet 5.5 for faster everyday work

modelscodinganthropicefficiency

Made With Models illustration for this story

Anthropic released Claude Sonnet 5.5 and says it is more than 30 percent faster, with up to 30 percent lower cost per task, while keeping the listed input and output prices of the previous model. Anthropic also published benchmark results for coding and computer use, but the announcement does not provide independent confirmation of those results in production settings.

Reported by Anthropic. Made With Models writes the brief; the reporting is theirs.

Read the source ↗