Anthropic beta lets Claude agents send only new conversation messages
AI · First reported 2 Nov, 19:06 · Updated 20:46

Anthropic’s message threads beta lets developers send a conversation once, then reference its previous reply while sending only new messages. The company reports about 35% less time before Claude begins responding to requests with 500,000 to 1 million tokens; token usage, prices and rate limits are unchanged.
- With threads, an agent sends the full conversation at the start and then sends new messages alongside the ID of Claude’s previous reply.
- Anthropic says the typical wait before Claude starts responding fell by about 35% on requests containing 500,000 to 1 million tokens.
- The feature reduces repeated uploads, not the amount Claude reads: token usage, prices and rate limits remain unchanged. Threads expire five minutes after the last request.
Summary written by Lux AI from 2 articles
Key facts
- Status
- Public beta for Anthropic’s API.
- Reported latency change
- About 35% less typical wait before responding to requests with 500,000 to 1 million tokens.
- Pricing and limits
- Prices and rate limits are unchanged.
- Thread lifetime
- Five minutes after the last request.
- Storage
- Threads are encrypted, held in memory and not written to disk.
- Availability
- The beta works on Claude models through Anthropic’s platform, AWS, Microsoft Foundry and Google Cloud.
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