Anthropic Launches Message Threads Public Beta
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On November 3, 2026, Anthropic launched Message Threads in public beta on the Claude platform. The feature changes how conversations are transmitted via the API: developers no longer resend the full conversation history with each request, but only transmit the incremental content after the last message. According to The Decoder, this mechanism reduces first-token latency by 35% in long-conversation scenarios. The feature is currently in public beta; the report did not mention a general availability date or pricing changes.
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- The DecoderAnthropic's Message Threads cut time to first token by 35 percent for long conversations
Anthropic has launched Message Threads in public beta on the Claude platform. API requests no longer resend the entire conversation history, transmitting only the incremental content since the last message.
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