VQV Signal
According to a post on X by @ClaudeDevs, the Messages API now keeps conversations on Anthropic's servers between turns, and Anthropic says median time to first token in Claude Code fell about 35% on very long requests. A notice to API customers says the invisible text watermark will apply to Mythos 5, Opus 4.7, Opus 4.6 and Sonnet 4.6 from Nov 3. The post also says Claude Code now avoids recreating other people's games.
According to a post on X by @ClaudeDevs, the Messages API now keeps conversations on Anthropic's servers between turns, and Anthropic says median time to first token in Claude Code fell about 35% on very long requests. A notice to API customers says the invisible text watermark will apply to Mythos 5, Opus 4.7, Opus 4.6 and Sonnet 4.6 from Nov 3. The post also says Claude Code now avoids recreating other people's games.
AI-assisted summary based on the listed source.
The Messages API now keeps conversations on Anthropic's servers between turns, and Anthropic says median time to first token in Claude Code fell about 35% on very long requests. A notice to API customers says Mythos 5, Opus 4.7, Opus 4.6 and Sonnet 4.6 get the invisible text watermark from Nov 3, and Anthropic...
Developers building on the Messages API may need to review how conversation state is handled between turns. API customers using the listed models should prepare for the watermark from Nov 3. The 35% speed figure is Anthropic's own claim and has not been independently checked here.
Developers may have a new tool, API, or workflow change worth testing against their own stack.
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VQV surfaced this signal because it is recent, relevant to Consumer AI, connected to Scobleizer News Pulse (X).
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