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The Signal

Everything that matters in AI, with our take.

Updated through the day. Every headline links straight to the source. The two lines underneath are ours.

Hacker News (AI, 50+ points)ArticleClaude Watch

Apple's Siri AI Can Be Swapped Out for Claude, ChatGPT, Code Shows

This exposes a seam in Apple's strategy. They're not locking Siri to proprietary models, which means the LLM layer is commoditizing faster than Apple can ship. For Claude: this is evidence of enterprise API momentum at a company that usually builds closed stacks. For investors: device makers are becoming distribution channels, not moats. Apple's willingness to swap backends is validation that frontier models matter more than integration.

TechCrunch AIArticle

ChatGPT Health adds Epic integration for clinicians to import patient data

This is the infrastructure move that turns ChatGPT Health from a toy into a workflow tool. Epic integration means clinicians can actually pull real data into context without manual copy-paste, which is where adoption either happens or doesn't. The read-only constraint keeps liability bounded for now, but the next move is write-back to the EHR, which is when this becomes operationally serious. If you're building healthcare AI, watch what OpenAI does next on this integration.