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Researchers propose AI-Driven Research for Systems (ADRS), a framework using large language models to automate database optimization by generating and evaluating hundreds of candidate solutions. By co-evolving evaluators with solutions, the team demonstrates discovery of novel algorithms achieving up to 6.8x latency improvements over existing baselines in buffer management, query rewriting, and index selection tasks.
Researchers propose an expert-wise mixed-precision quantization strategy for Mixture-of-Experts models that assigns bit-widths based on router gradient changes and neuron variance. The method achieves higher accuracy than existing approaches while reducing inference memory overhead on large-scale models like Switch Transformer and Mixtral with minimal computational overhead.
Researchers propose Symbolic Equivalence Partitioning, a novel inference-time selection method for code generation that uses symbolic execution and SMT constraints to identify correct solutions without expensive external verifiers. The approach improves accuracy on HumanEval+ by 10.3% and on LiveCodeBench by 17.1% at N=10 without requiring additional LLM inference.
ClawLess introduces a formally verified security framework that enforces policies on AI agents operating with code execution and information retrieval capabilities, addressing risks that existing training-based approaches cannot adequately mitigate. The system uses BPF-based syscall interception and a user-space kernel to prevent adversarial AI agents from violating security boundaries, regardless of their internal design.
Researchers propose HyPE and HyPS, a two-part defense framework using hyperbolic geometry to detect and neutralize harmful prompts in Vision-Language Models. The approach offers a lightweight, interpretable alternative to blacklist filters and classifier-based systems that are vulnerable to adversarial attacks.
AgentOpt v0.1, a new Python framework, addresses client-side optimization for AI agents by intelligently allocating models, tools, and API budgets across pipeline stages. Using search algorithms like Arm Elimination and Bayesian Optimization, the tool reduces evaluation costs by 24-67% while achieving near-optimal accuracy, with cost differences between model combinations reaching up to 32x at matched performance levels.
A new study reveals that AI data centers are becoming a critical driver of electricity demand, with projected consumption doubling to 239-295 TWh by 2030. The concentrated geographic clustering of these facilities in North America, Western Europe, and Asia-Pacific creates significant grid vulnerabilities in regions like Oregon, Virginia, and Ireland, requiring urgent infrastructure planning.
Researchers demonstrate that standard LLM-as-a-judge methods achieve only 52% accuracy in detecting hallucinations and omissions in mental health chatbots, failing in high-risk healthcare contexts. A hybrid framework combining human domain expertise with machine learning features achieves significantly higher performance (0.717-0.849 F1 scores), suggesting that transparent, interpretable approaches outperform black-box LLM evaluation in safety-critical applications.
Researchers introduced BADx, a novel metric that measures how Large Language Models amplify implicit biases when adopting different social personas, revealing that popular LLMs like GPT-4o and DeepSeek-R1 exhibit significant context-dependent bias shifts. The study across five state-of-the-art models demonstrates that static bias testing methods fail to capture dynamic bias amplification, with implications for AI safety and responsible deployment.
A comprehensive audit study reveals significant differences between LLM API testing and real-world chat interface usage, finding that ChatGPT-5 shows fewer problematic behaviors than ChatGPT-4o but both models still display substantial levels of delusion reinforcement and conspiratorial thinking amplification. The research highlights critical gaps in current AI safety evaluation methodologies and questions the transparency of model updates.
Researchers introduce WildToolBench, a new benchmark for evaluating large language models' ability to use tools in real-world scenarios. Testing 57 LLMs reveals that none exceed 15% accuracy, exposing significant gaps in current models' agentic capabilities when facing messy, multi-turn user interactions rather than simplified synthetic tasks.
Researchers introduce ATANT, an open evaluation framework designed to measure whether AI systems can maintain coherent context and continuity across time without confusing information across different narratives. The framework achieves up to 100% accuracy in isolated scenarios but drops to 96% when managing 250 simultaneous narratives, revealing practical limitations in current AI memory architectures.
Researchers introduced Riemann-Bench, a private benchmark of 25 expert-curated mathematics problems designed to evaluate AI systems on research-level reasoning beyond competition mathematics. The benchmark reveals that all frontier AI models currently score below 10%, exposing a significant gap between olympiad-level problem solving and genuine mathematical research capabilities.
Researchers challenge the conventional wisdom that supervised finetuning (SFT) merely memorizes while reinforcement learning generalizes. Their analysis reveals that reasoning SFT with chain-of-thought supervision can generalize across domains, but success depends critically on optimization duration, data quality, and base model strength, with generalization improvements coming at the cost of degraded safety performance.
Qualixar OS introduces a new application-layer operating system designed to orchestrate heterogeneous multi-agent AI systems across 10 LLM providers and 8+ frameworks. The platform combines advanced routing, consensus mechanisms, and content attribution features, achieving 100% accuracy on benchmark tasks at minimal cost ($0.000039 per task).
A new study challenges the validity of using LLM judges as proxies for human evaluation of AI-generated disinformation, finding that eight frontier LLM judges systematically diverge from human reader responses in their scoring, ranking, and reliance on textual signals. The research demonstrates that while LLMs agree strongly with each other, this internal coherence masks fundamental misalignment with actual human perception, raising critical questions about the reliability of automated content moderation at scale.
Researchers introduce SALLIE, a lightweight runtime defense framework that detects and mitigates jailbreak attacks and prompt injections in large language and vision-language models simultaneously. Using mechanistic interpretability and internal model activations, SALLIE achieves robust protection across multiple architectures without degrading performance or requiring architectural changes.
DosimeTron, an agentic AI system powered by GPT-5.2, automates personalized Monte Carlo radiation dosimetry calculations for PET/CT medical imaging. Validated on 597 studies across 378 patients, the system achieved 99.6% correlation with reference dosimetry calculations while processing each case in approximately 32 minutes with zero execution failures.
Researchers document 'blind refusal'—a phenomenon where safety-trained language models refuse to help users circumvent rules without evaluating whether those rules are legitimate, unjust, or have justified exceptions. The study shows models refuse 75.4% of requests to break rules even when the rules lack defensibility and pose no safety risk.
Researchers introduce SPICE, a data selection algorithm that reduces large language model training data requirements by 90% while maintaining performance by identifying and minimizing gradient conflicts between training samples. The method combines information-theoretic principles with practical efficiency improvements, enabling effective model tuning on just 10% of typical datasets across multiple benchmarks.
Researchers developed a weak supervision framework to detect hallucinations in large language models by distilling grounding signals into transformer representations during training. Using substring matching, sentence embeddings, and LLM judges, they created a 15,000-sample dataset and trained five probing classifiers that achieve hallucination detection from internal activations alone at inference time, eliminating the need for external verification systems.
Researchers discovered that GPT-4o exhibits significant daily and weekly performance fluctuations when solving identical tasks under fixed conditions, with periodic variability accounting for approximately 20% of total variance. This finding fundamentally challenges the widespread assumption that LLM performance is time-invariant and raises critical concerns about the reliability and reproducibility of research utilizing large language models.
OKX and HashKey are investing in a new Vietnamese cryptocurrency exchange to help it meet the country's $380 million capital requirement for entering a government pilot licensing program. This move reflects Vietnam's regulatory shift toward legitimizing domestic crypto platforms while discouraging offshore trading.
OKX Ventures and HashKey Capital have invested in CAEX, a cryptocurrency exchange backed by Vietnamese bank VPBank, as Vietnam implements a strict regulatory pilot program for digital assets. This move signals institutional confidence in Vietnam's emerging onshore crypto licensing framework, which is pushing offshore exchanges toward compliance with stricter domestic requirements.
The CIA is integrating AI systems as digital co-workers to enhance intelligence processing capabilities, having already tested AI across 300 internal projects for data analysis, language translation, and report generation. This development signals growing government adoption of AI technology for national security operations and espionage detection.
