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Anthropic launches Message Threads API to speed up long AI conversations

By PulseAugur Editorial · [2 sources] ·

Anthropic has launched "Message Threads" as a public beta for its Messages API, designed to reduce latency in long conversations. This feature transmits only new messages and the previous response ID after the initial full conversation is sent, cutting median time to first token by approximately 35% for contexts between 500k and 1M tokens. While token usage and costs remain the same, the feature aims to improve the performance of long-running AI agents, and it is already enabled by default for Claude Code users. AI

IMPACT Reduces latency for long-context AI agents, potentially improving user experience and enabling more complex conversational applications.

RANK_REASON Product feature launch for an API.

Read on r/ClaudeAI →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Anthropic launches Message Threads API to speed up long AI conversations

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Product feature launch for an API.
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COVERAGE [2]

  1. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    Anthropic released Message Threads for the Messages API, which transmits only the changed parts of a conversation. Source: The Decoder https:// the-decoder.com/

    Anthropic released Message Threads for the Messages API, which transmits only the changed parts of a conversation. Source: The Decoder https:// the-decoder.com/anthropics-mes sage-threads-cut-time-to-first-token-by-35-percent-for-long-conversations/ # AI # Anthropic

    LINKS the-decoder.com/anthropics-message-thread…
  2. r/ClaudeAI TIER_2 English(EN) · /u/emarkosov ·

    Anthropic added “message threads” to the Messages API (public beta): send the conversation once, then only new messages. Already on by default in Claude Code

    <!-- SC_OFF --><div class="md"><p>Published yesterday (Nov 2) on claude.com. Short version of what it is:</p> <p>- You send the full conversation once. Every later request carries only the new messages plus the previous response ID, so you stop re-sending the whole history every …

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