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EventPast
AI Engineer World's Fair
The flagship gathering of the agent engineering community.
Started by Swyx and the AI Engineer community, the World's Fair in San Francisco became the biggest conference focused specifically on building with LLMs — agents, evals, harnesses and infrastructure. The June 2026 edition ran as scheduled; the brand's website has since moved on, so watch for announcements from the team before making plans.
Other events
Interrupt 2026
The Agent Conference by LangChain — this year in London.
Oct 13, 2026London, UKIn-person
Code with Claude
Anthropic's developer conference for the Claude ecosystem.
Fall 2026 (expected)San Francisco, CAIn-person
OpenAI DevDay
Where OpenAI ships its agent and platform releases.
Fall 2026 (expected)San Francisco, CAIn-person