# Anthropic's Message Threads cut time to first token by 35 percent for long conversations

**Published:** November 3, 2026
**Author:** Matthias Bastian
**Source:** The Decoder
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/anthropic-s-message-threads-cut-time-to-first-token-by-35-percent-for-lo

Anthropic released Message Threads for the Messages API. Instead of resending the entire conversation with every turn, agents now only transmit what's changed. For requests between 500,000 and one million tokens, time to first token drops by about 35 percent. The article…

> From the original source: **The Decoder**
> [Read full article at The Decoder](https://the-decoder.com/anthropics-message-threads-cut-time-to-first-token-by-35-percent-for-long-conversations/)

**Tags:** #Anthropic

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