Anthropic 2025 keynote
Mike Krieger · Dario Amodei · May 22, 2025 · 1h 40m · San Francisco
Summary
At Anthropic's first developer conference, Mike Krieger and Dario Amodei launched Claude Opus 4 and Claude Sonnet 4 and detailed MCP, Claude Code, and a new code execution tool.
Key themes: Models, AI coding, Agents · AI-written summary from the published transcript
- 1Mike Krieger opened Code with Claude, Anthropic's first developer conference, in front of a live audience27:19
- 2Dario Amodei announced Claude Opus 4 and Claude Sonnet 4 were releasing live across all Anthropic products29:35
- 3Claude 4 models add near-instant responses alongside an extended thinking mode for harder problems34:28
- 4Amazon's Alexa team used Claude to prototype new assistant functionality ahead of the Alexa+ launch37:18
- 5A new code execution tool in the API lets Claude write and run code directly during a conversation40:59
- 6Claude Code can now run inside GitHub workflows using the Claude Code SDK44:29
- 7Anthropic said it created MCP as a universal translator between AI models and external tools, and that Microsoft is building MCP into its Build keynote plans52:55
Announced
4 available the same day| Announcement | Status |
|---|---|
| Claude Opus 4Flagship model, leads SWE-bench at 72.5% | GA |
| Claude Sonnet 4Mid-tier model, state of the art 72.7% on SWE-bench | GA |
| Claude CodeExpanded to general availability with IDE integrations | GA |
| Code execution toolAPI tool letting Claude execute code directly | GA |
| Extended thinking with tool useBeta reasoning mode with web search during processing | Preview |
| Model Context Protocol adoptionAnthropic formalizing MCP as an open standard | Announced |
Related keynotes
| Date | Keynote | |||
|---|---|---|---|---|
| Sep 15, 2026 |  Salesforce Dreamforce 2026Marc Benioff, Dario Amodei · 1h 48m · 4 announcedAgents, Enterprise apps, Governance | Agents, Enterprise apps, Governance | Salesforce is going headless: apps and semantic intelligence stay, while agents and new interfaces sit on top | 4 |
| May 6, 2026 | Anthropic events 2026Code with Claude 2026: Opening Keynote · 47m · summary pending |
About this keynote
Keynote page: www.youtube.com/watch?v=EvtPBaaykdo
On stage
- Mike KriegerChief Product Officer, Anthropic
- Dario AmodeiCo-founder and CEO, Anthropic
Companies named: Amazon, Anthropic, Augment Code, Block, Cognition, Cursor, GitHub, Google Cloud, iGent, Manus, Microsoft, Rakuten, Sourcegraph
Last changed 2026-09-24.
History (append-only)
- 2026-09-24 · address changed by seed
- 2026-09-24 · announcements changed by seed
- 2026-09-24 · takeaways changed by seed
- 2026-09-24 · themes changed by seed
- 2026-09-24 · basis changed by seed
Sources: official keynote videos, their captions and the hosts' recaps, summarized by AI; watch the source for exact wording. Logos via logo.dev; trademarks belong to their owners.