WhichAI.todayAnthropic
Message threads: release date and what's new
- Released
- Status
- In preview
- Type
- Feature
Anthropic launched message threads in beta on the Messages API to store conversations server-side and reduce latency in long agent loops.
What's new
- Messages API
- Agent loops
- Beta
Official announcement: platform.claude.com ↗
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Questions
When was Message threads released?
Anthropic released Message threads on Nov 2, 2026.
Is Message threads available now?
It is in preview. Anthropic opened Message threads to some users on Nov 2, 2026.
What's new in Message threads?
Anthropic launched message threads in beta on the Messages API to store conversations server-side and reduce latency in long agent loops.