Technology & AI
OpenAI proposes 'reverse federalism' for US AI safety rules
OpenAI's July 15 proposal wants state AI laws to build toward a national safety framework, shaping how every American AI developer gets regulated.
OpenAI
OpenAI news explained — GPT model releases, pricing, safety reports and the business decisions behind them, and what each one means for people who use the tools at work.
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Technology & AI
30 prompts fine-tune AI to near-optimal energy storage control
Reinforcement fine-tuning with 30 prompts cut an open-weight model's building emissions to 61.2 kg-CO2, near the 60.8 optimum, a preprint shows.
Technology & AI
Transformer learning dynamics reduced to few coordinates
New arXiv preprint shows Transformer training on inductive reasoning can be confined to a low-dimensional manifold for automatic circuit detection.
Technology & AI
GPT-5.5 scores 66 on doctoral math proof benchmark
AdvancedMathBench tests AI on graduate and doctoral math proofs, finding frontier models struggle with both writing and verifying advanced mathematics.
Technology & AI
AI reasoning scaffold helps one model, hurts another
Reasoning scaffold lifts GPT-4.1-mini by 0.21 but degrades GPT-5-mini by 0.63, arXiv study finds, exposing an architecture-dependent split.
Technology & AI
Playful AI email tone lifts positivity in 16,880-email field study
A field experiment across six companies found GPT-5's playful rewriting lifted emotional tone, with engagement gains flowing through an indirect path.