Introducing Claude 4
Introducing Claude Opus 4 and Claude Sonnet 4, setting new standards for coding, advanced reasoning, and AI agents. Includes extended thinking with tool use, new model capabilities, and Claude Code general availability.
Anthropic changelog: May 2025
1 release on
Everything Anthropic shipped in May 2025, collected from official Anthropic sources. Each entry is dated and links to the page it came from.
May 2025 at a glance
May 2025 was Anthropic's 4th busiest month of the 12 months to then: 1 release, close to its monthly average of 1. That was 1 release more than April 2025. Every release this month was Product.
Releases
1
+1 vs April 2025
Rank of 12 months
4th
Average 1.1 a month
Most shipped
Product
1 release
All Anthropic releases in May 2025
Newest first. Each entry links to the official page it came from.
May 20251 release
Where May 2025 sits
Anthropic releases per month, for May 2025 and the 11 months before it. A taller bar means more releases that month; the dated entries for each month are on its own page.
Other companies in May 2025
10 of the companies we track shipped in May 2025; Anthropic ranks 7th by number of releases.
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