SDSignal Desk

Desk

AI

Broad artificial intelligence coverage.

AISep 8, 2026OpenAI

The Work Now Within Reach

OpenAI CFO Sarah Friar argues that GPT-6 Astra, a billion-user consumer base, and in-house inference silicon form a compounding loop of capability, demand, and cheaper serving.

AISep 8, 2026OpenAI

On the Navier–Stokes Millennium Prize Problem

OpenAI says an internal multi-agent system—stronger than GPT-6 Astra—produced a Lean-checked singularity proof for Navier–Stokes statements C and D, and it will not claim the Millennium Prize.