Anthropic launches Message Threads to speed up long Claude Code sessions
This story is from 2026-11-03. It is preserved in the archive; the latest stories are on the live feed.
Anthropic released Message Threads in beta for the Messages API, letting agents send only new messages per turn instead of the full conversation. This cuts time to first token by about 35% on 500k–1M token requests, though token billing is unchanged.
Read the full story at ZDNET AI ↗
Timeline · 5 reports
- 2026-11-05 22:17 · Hacker News Front Page
Claude Code sends your email address to websites - 2026-11-04 02:07 · r/ClaudeAI
Anthropic shipped message threads (beta): Claude Code now sends only new messages per turn, about 35% lower time to first token on 500k to 1M token requests - 2026-11-03 13:46 · The New Stack AI
Anthropic speeds up Claude Code with message threads. But your token bill stays the same. - 2026-11-03 12:35 · The Decoder
Anthropic's Message Threads cut time to first token by 35 percent for long conversations - 2026-11-03 07:28 · ZDNET AI
Is Claude Code truly faster with message threads? I did the math on my logs