Technology & AI
ActionCache speeds robot AI 34× without retraining
ActionCache cuts inference latency for vision-language-action robot models by up to 34× without retraining, a potential breakthrough for real-time robotic deplo
Technology & AI
Daily AI and technology coverage — models, chips, agents and research, and what each development actually means for you and your business.
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Technology & AI
G-RRM neural solver hits 33× speedup on Sudoku — with a catch
G-RRM uses neural reasoning models to guide classical SAT solvers, cutting Sudoku backtracking 33× — but the speedup vanishes if the solver can't reject bad hin
Technology & AI
6,588 GitHub repos tagged with NAICS industry codes
NAICS-GH labels 6,588 GitHub repositories with industry sectors at 96.98% precision, enabling research into where open-source code actually comes from.
Technology & AI
LLM refusal neurons: causal audit finds no unique mechanism
A preprint audit across five LLMs finds refusal lives in a redundant subspace — and trusted rank-stable methods can be the least causally valid.
Technology & AI
MedPMC: 11M clean medical images beat bigger AI datasets
MedPMC's 11M curated medical image-text pairs trained a CLIP model beating larger datasets by 7.1 points — 95% of its images are actually medical.
Technology & AI
LLM hidden states predict answer confidence before generation
LLM hidden states hold richer confidence than models verbalise; a new method extracts it before generation finishes, affecting any AI system needing to know whe
Technology & AI
MCP server security: taint flaws mitigated via tool descriptions
Researchers propose SPELLSMITH, which rewrites MCP server tool descriptions to steer LLM agents away from taint-style vulnerabilities without code changes.
Technology & AI
ChatGPT clicks out in 5.2% of sessions, study finds
A new arXiv study finds ChatGPT sends users to external sites in just 5.2% of sessions, cutting Google search use 9.4% and reshaping the web's referral economy.
Technology & AI
SciReasoner AI model wins 67 of 86 science benchmarks
SciReasoner, a multimodal model for structural reasoning across proteins, molecules and crystals, matches frontier LLMs in 98% of expert reviews.
Technology & AI
Optimal control grows neural network layers where error peaks
A new arXiv preprint reframes neural network training as optimal control, inserting layers where error is highest — but evidence is limited to scientific datase
Technology & AI
OpenAI finds flaws in SWE-bench Pro coding benchmark
OpenAI's new analysis exposes reliability issues in SWE-bench Pro — the very benchmark it recommended to replace the contaminated SWE-bench Verified — leaving A
Technology & AI
OpenAI AI Skills Jams bring hands-on AI to K-12 teachers
OpenAI Academy and the Walton Family Foundation are launching hands-on AI Skills Jams to help K-12 educators build practical classroom AI skills.