Technology & AI
OpenAI CFO introduces four-metric AI ROI scorecard
Sarah Friar's framework shifts AI measurement from model benchmarks to useful work, cost per task, dependability and return on compute.
OpenAI
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Technology & AI
Albanese fast-tracks data centres with grid power pledge
Australia's PM wants big AI data centres to underwrite new power and put back as much energy as they draw, but stalled renewables decide if it works.
Technology & AI
DROPJ trains safe AI agents from human justifications
New arXiv paper pairs world models with human preferences and justifications to train safe AI agents without risky trial-and-error deployment.
Technology & AI
AI watermarking paper maps exact token cost of tracing users
arXiv preprint reveals exact token cost of attributing AI text to a user, plus a window where generated text is provably machine-made but unattributable.
Technology & AI
Claude Sonnet beats GPT-4.1 on cost despite higher token price
IBM Research found Claude Sonnet cost half as much as GPT-4.1 across 417 agent tasks, because caching matters more than sticker price for AI routing.
Technology & AI
LLM rubrics for AI grading biased toward high scores
First meta-evaluation of LLM-generated rubrics for paper reproduction finds AI graders are overly generous and too detailed, but augmentation helps.
Technology & AI
OpenAI GPT-Red automates red teaming with self-play
OpenAI's automated red teaming system GPT-Red uses self-play to find model weaknesses like prompt injection gaps affecting every AI user.
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.
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.