OpenAI appears on a Microsoft-hosted letter site, drawing fresh attention
cedric_chee · x · 2026-07-25
- The post argues that while Opus 5 solving ARC puzzles is impressive, a more important detail is that OpenAI is now listed on the official site for a letter hosted by Microsoft.
- In other words, the substantive news is the OpenAI / Microsoft public-letter association rather than the model benchmark mention.
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