πŸš€ WELCOME TO METAMESH.BIZ +++ Consistency diffusion models running 14x faster because someone finally realized brute force isn't always the answer +++ Transformer attention heads secretly cosplaying as Bloom filters to answer "have I seen this token before" (GPT-2 small achieving 96% accuracy like it's 1970) +++ Amazon's Kiro AI achieving sentience by deleting AWS environments for 13 hours straight (move fast and break production) +++ Academic paper lineages getting mapped into knowledge graphs because understanding transformer evolution requires its own transformer +++ THE FUTURE IS PROBABILISTIC MEMBERSHIP TESTING AND IT'S ALREADY INSIDE YOUR LANGUAGE MODEL +++ β€’
πŸš€ WELCOME TO METAMESH.BIZ +++ Consistency diffusion models running 14x faster because someone finally realized brute force isn't always the answer +++ Transformer attention heads secretly cosplaying as Bloom filters to answer "have I seen this token before" (GPT-2 small achieving 96% accuracy like it's 1970) +++ Amazon's Kiro AI achieving sentience by deleting AWS environments for 13 hours straight (move fast and break production) +++ Academic paper lineages getting mapped into knowledge graphs because understanding transformer evolution requires its own transformer +++ THE FUTURE IS PROBABILISTIC MEMBERSHIP TESTING AND IT'S ALREADY INSIDE YOUR LANGUAGE MODEL +++ β€’
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πŸ€– AI MODELS

Consistency diffusion language models: Up to 14x faster, no quality loss

πŸ’¬ HackerNews Buzz: 27 comments πŸ‘ LOWKEY SLAPS
🎯 Practical diffusion models β€’ Diffusion model performance β€’ Diffusion model applications
πŸ’¬ "Is anyone doing any form of diffusion language models that are actually practical to run today on the actual machine under my desk?" β€’ "I wonder how far down they can scale a diffusion LM?"
πŸ› οΈ TOOLS

Lessons from Building Claude Code: Prompt Caching Is Everything

πŸ”¬ RESEARCH

FlowPrefill: Decoupling Preemption from Prefill Scheduling Granularity to Mitigate Head-of-Line Blocking in LLM Serving

"The growing demand for large language models (LLMs) requires serving systems to handle many concurrent requests with diverse service level objectives (SLOs). This exacerbates head-of-line (HoL) blocking during the compute-intensive prefill phase, where long-running requests monopolize resources and..."
πŸ”’ SECURITY

Claude just gave me access to another user’s legal documents

"The strangest thing just happened. I asked Claude Cowork to summarize a document and it began describing a legal document that was totally unrelated to what I had provided. After asking Claude to generate a PDF of the legal document it referenced and I got a complete lease agreement contract in wh..."
πŸ’¬ Reddit Discussion: 167 comments 😐 MID OR MIXED
🎯 AI Hallucination β€’ Legal Document Provenance β€’ Company Verification
πŸ’¬ "it probably regurgitated a half-hallucinated legal doc" β€’ "I don't believe it searched internet during this session"
πŸ”¬ RESEARCH

Policy Compiler for Secure Agentic Systems

"LLM-based agents are increasingly being deployed in contexts requiring complex authorization policies: customer service protocols, approval workflows, data access restrictions, and regulatory compliance. Embedding these policies in prompts provides no enforcement guarantees. We present PCAS, a Polic..."
πŸ”¬ RESEARCH

[R] Predicting Edge Importance in GPT-2's Induction Circuit from Weights Alone (ρ=0.623, 125x speedup)

"TL;DR: Two structural properties of virtual weight matrices ,spectral concentration and downstream path weight, predict which edges in GPT-2 small's induction circuit are causally important, without any forward passes, ablations, or training data. Spearman ρ=0.623 with path patching ground truth (p ..."
πŸ’¬ Reddit Discussion: 5 comments 🐐 GOATED ENERGY
🎯 Research process β€’ Community feedback β€’ Time management
πŸ’¬ "The process will give you some feedback and structure your work" β€’ "Don't just try to write it up, try to follow the process"
πŸ”’ SECURITY

OpenAI and Paradigm Launches EVMbench to Test AIs on Smart Contract Security

πŸ”’ SECURITY

Sources: Amazon's AI tools caused at least two AWS outages, including a 13-hour disruption in December after its Kiro AI deleted and recreated an environment

πŸ”¬ RESEARCH

Knowledge graph of the transformer paper lineage β€” from Attention Is All You Need to DPO, mapped as an interactive concept graph [generated from a CLI + 12 PDFs]

"Wanted to understand how the core transformer papers actually connect at the concept level - not just "Paper B cites Paper A" but what specific methods, systems, and ideas flow between them. I ran 12 foundational papers (Attention Is All You Need, BERT, GPT-2/3, Scaling Laws, ViT, LoRA, Chain-of-Th..."
πŸ”¬ RESEARCH

Proof Assistants in the Age of AI

πŸ”¬ RESEARCH

The Anxiety of Influence: Bloom Filters in Transformer Attention Heads

"Some transformer attention heads appear to function as membership testers, dedicating themselves to answering the question "has this token appeared before in the context?" We identify these heads across four language models (GPT-2 small, medium, and large; Pythia-160M) and show that they form a spec..."
πŸ”’ SECURITY

Microsoft's AI safety team proposed technical standards for detecting AI-generated content, but its CSO declined to commit to using them across its platforms

πŸ”¬ RESEARCH

What Do LLMs Associate with Your Name? A Human-Centered Black-Box Audit of Personal Data

"Large language models (LLMs), and conversational agents based on them, are exposed to personal data (PD) during pre-training and during user interactions. Prior work shows that PD can resurface, yet users lack insight into how strongly models associate specific information to their identity. We audi..."
πŸ”¬ RESEARCH

Learning to Stay Safe: Adaptive Regularization Against Safety Degradation during Fine-Tuning

"Instruction-following language models are trained to be helpful and safe, yet their safety behavior can deteriorate under benign fine-tuning and worsen under adversarial updates. Existing defenses often offer limited protection or force a trade-off between safety and utility. We introduce a training..."
πŸ”¬ RESEARCH

AI Gamestore: Scalable, Open-Ended Evaluation of Machine General Intelligence with Human Games

"Rigorously evaluating machine intelligence against the broad spectrum of human general intelligence has become increasingly important and challenging in this era of rapid technological advance. Conventional AI benchmarks typically assess only narrow capabilities in a limited range of human activity...."
πŸ”¬ RESEARCH

Towards a Science of AI Agent Reliability

"AI agents are increasingly deployed to execute important tasks. While rising accuracy scores on standard benchmarks suggest rapid progress, many agents still continue to fail in practice. This discrepancy highlights a fundamental limitation of current evaluations: compressing agent behavior into a s..."
πŸ“Š DATA

AI Supply Chain – Map of the supply chain behind a single ChatGPT query

πŸ”¬ RESEARCH

KLong: Training LLM Agent for Extremely Long-horizon Tasks

"This paper introduces KLong, an open-source LLM agent trained to solve extremely long-horizon tasks. The principle is to first cold-start the model via trajectory-splitting SFT, then scale it via progressive RL training. Specifically, we first activate basic agentic abilities of a base model with a..."
πŸ”¬ RESEARCH

AutoNumerics: An Autonomous, PDE-Agnostic Multi-Agent Pipeline for Scientific Computing

"PDEs are central to scientific and engineering modeling, yet designing accurate numerical solvers typically requires substantial mathematical expertise and manual tuning. Recent neural network-based approaches improve flexibility but often demand high computational cost and suffer from limited inter..."
πŸ”¬ RESEARCH

When to Trust the Cheap Check: Weak and Strong Verification for Reasoning

"Reasoning with LLMs increasingly unfolds inside a broader verification loop. Internally, systems use cheap checks, such as self-consistency or proxy rewards, which we call weak verification. Externally, users inspect outputs and steer the model through feedback until results are trustworthy, which w..."
πŸ”¬ RESEARCH

MARS: Margin-Aware Reward-Modeling with Self-Refinement

"Reward modeling is a core component of modern alignment pipelines including RLHF and RLAIF, underpinning policy optimization methods including PPO and TRPO. However, training reliable reward models relies heavily on human-labeled preference data, which is costly and limited, motivating the use of da..."
πŸ”¬ RESEARCH

Causality is Key for Interpretability Claims to Generalise

"Interpretability research on large language models (LLMs) has yielded important insights into model behaviour, yet recurring pitfalls persist: findings that do not generalise, and causal interpretations that outrun the evidence. Our position is that causal inference specifies what constitutes a vali..."
πŸ”„ OPEN SOURCE

llama.cpp PR to implement IQ*_K and IQ*_KS quants from ik_llama.cpp

"Open source code repository or project related to AI/ML."
πŸ’¬ Reddit Discussion: 65 comments 🐝 BUZZING
🎯 Quantization Improvements β€’ Interpersonal Conflicts β€’ Merging Efforts
πŸ’¬ "we desperately need better quants in mainline!" β€’ "The maintenance concern Georgi raised is legitimate"
πŸ€– AI MODELS

Free ASIC Llama 3.1 8B inference at 16,000 tok/s - no, not a joke

"Hello everyone, A fast inference hardware startup, Taalas, has released a free chatbot interface and API endpoint running on their chip. They chose a small model intentionally as proof of concept. Well, it worked out really well, it runs at 16k tps! I know this model is quite limited but there l..."
πŸ’¬ Reddit Discussion: 145 comments πŸ‘ LOWKEY SLAPS
🎯 Hardware Capabilities β€’ Model Scaling β€’ Hardware Innovation
πŸ’¬ "Technically, this thing is way simpler than a graphics card." β€’ "Size. Size is the big issue."
🎯 PRODUCT

Official: Claude in PowerPoint is now available on Pro plan

"Community discussion on r/ClaudeAI."
πŸ’¬ Reddit Discussion: 50 comments πŸ‘ LOWKEY SLAPS
🎯 AI Capabilities β€’ Pricing Plans β€’ Market Competition
πŸ’¬ "It's absolute bonkers that this is how Copilot should've been" β€’ "Can't keep track of plan names"
πŸ”¬ RESEARCH

Evaluating Chain-of-Thought Reasoning through Reusability and Verifiability

"In multi-agent IR pipelines for tasks such as search and ranking, LLM-based agents exchange intermediate reasoning in terms of Chain-of-Thought (CoT) with each other. Current CoT evaluation narrowly focuses on target task accuracy. However, this metric fails to assess the quality or utility of the r..."
πŸ”¬ RESEARCH

Pushing the Frontier of Black-Box LVLM Attacks via Fine-Grained Detail Targeting

"Black-box adversarial attacks on Large Vision-Language Models (LVLMs) are challenging due to missing gradients and complex multimodal boundaries. While prior state-of-the-art transfer-based approaches like M-Attack perform well using local crop-level matching between source and target images, we fin..."
πŸ”¬ RESEARCH

Towards Anytime-Valid Statistical Watermarking

"The proliferation of Large Language Models (LLMs) necessitates efficient mechanisms to distinguish machine-generated content from human text. While statistical watermarking has emerged as a promising solution, existing methods suffer from two critical limitations: the lack of a principled approach f..."
πŸ”¬ RESEARCH

Multi-Round Human-AI Collaboration with User-Specified Requirements

"As humans increasingly rely on multiround conversational AI for high stakes decisions, principled frameworks are needed to ensure such interactions reliably improve decision quality. We adopt a human centric view governed by two principles: counterfactual harm, ensuring the AI does not undermine hum..."
πŸ›’οΈ BUSINESS

Palantir partnership is at heart of Anthropic, Pentagon rift

πŸ”¬ RESEARCH

Scaling Open Discrete Audio Foundation Models with Interleaved Semantic, Acoustic, and Text Tokens

"Current audio language models are predominantly text-first, either extending pre-trained text LLM backbones or relying on semantic-only audio tokens, limiting general audio modeling. This paper presents a systematic empirical study of native audio foundation models that apply next-token prediction t..."
πŸ”¬ RESEARCH

Reinforced Fast Weights with Next-Sequence Prediction

"Fast weight architectures offer a promising alternative to attention-based transformers for long-context modeling by maintaining constant memory overhead regardless of context length. However, their potential is limited by the next-token prediction (NTP) training paradigm. NTP optimizes single-token..."
πŸ’° FUNDING

Toronto-based chip startup Taalas, which hardwires AI models into custom silicon to achieve faster inference, raised $169M, bringing its total funding to $219M

πŸ”¬ RESEARCH

Modeling Distinct Human Interaction in Web Agents

"Despite rapid progress in autonomous web agents, human involvement remains essential for shaping preferences and correcting agent behavior as tasks unfold. However, current agentic systems lack a principled understanding of when and why humans intervene, often proceeding autonomously past critical d..."
πŸ”¬ RESEARCH

Sink-Aware Pruning for Diffusion Language Models

"Diffusion Language Models (DLMs) incur high inference cost due to iterative denoising, motivating efficient pruning. Existing pruning heuristics largely inherited from autoregressive (AR) LLMs, typically preserve attention sink tokens because AR sinks serve as stable global anchors. We show that thi..."
πŸ”¬ RESEARCH

Stable Asynchrony: Variance-Controlled Off-Policy RL for LLMs

"Reinforcement learning (RL) is widely used to improve large language models on reasoning tasks, and asynchronous RL training is attractive because it increases end-to-end throughput. However, for widely adopted critic-free policy-gradient methods such as REINFORCE and GRPO, high asynchrony makes the..."
πŸ”¬ RESEARCH

MolHIT: Advancing Molecular-Graph Generation with Hierarchical Discrete Diffusion Models

"Molecular generation with diffusion models has emerged as a promising direction for AI-driven drug discovery and materials science. While graph diffusion models have been widely adopted due to the discrete nature of 2D molecular graphs, existing models suffer from low chemical validity and struggle..."
πŸ”¬ RESEARCH

Align Once, Benefit Multilingually: Enforcing Multilingual Consistency for LLM Safety Alignment

"The widespread deployment of large language models (LLMs) across linguistic communities necessitates reliable multilingual safety alignment. However, recent efforts to extend alignment to other languages often require substantial resources, either through large-scale, high-quality supervision in the..."
πŸ”¬ RESEARCH

Agent Skill Framework: Perspectives on the Potential of Small Language Models in Industrial Environments

"Agent Skill framework, now widely and officially supported by major players such as GitHub Copilot, LangChain, and OpenAI, performs especially well with proprietary models by improving context engineering, reducing hallucinations, and boosting task accuracy. Based on these observations, an investiga..."
πŸ€– AI MODELS

Gemini 3.1 Pro

πŸ’¬ HackerNews Buzz: 511 comments 🐝 BUZZING
🎯 Model performance comparison β€’ Deployment and sustainability β€’ Prompt engineering
πŸ’¬ "Gemini is consistently the most frustrating model I've used" β€’ "These models are so powerful"
πŸ€– AI MODELS

PaddleOCR-VL now in llama.cpp

"https://github.com/ggml-org/llama.cpp/releases/tag/b8110 So far this is the best performing open-source multilingual OCR model I've seen, would appreciate if other people can share their findings. It's 0.9b so it shouldn't brick our machin..."
πŸ”¬ RESEARCH

From Growing to Looping: A Unified View of Iterative Computation in LLMs

"Looping, reusing a block of layers across depth, and depth growing, training shallow-to-deep models by duplicating middle layers, have both been linked to stronger reasoning, but their relationship remains unclear. We provide a mechanistic unification: looped and depth-grown models exhibit convergen..."
πŸ”¬ RESEARCH

Measuring Mid-2025 LLM-Assistance on Novice Performance in Biology

"Large language models (LLMs) perform strongly on biological benchmarks, raising concerns that they may help novice actors acquire dual-use laboratory skills. Yet, whether this translates to improved human performance in the physical laboratory remains unclear. To address this, we conducted a pre-reg..."
🌐 POLICY

U.S. Department of the Treasury's AI Strategy [pdf]

βš–οΈ ETHICS

An AI Agent Published a Hit Piece on Me – The Operator Came Forward

πŸ’¬ HackerNews Buzz: 295 comments 😐 MID OR MIXED
🎯 AI Misuse and Accountability β€’ Responsible AI Development β€’ Societal Implications of AI
πŸ’¬ "The interesting question isn't 'should AI agents be regulated' β€” it's who is liable when an autonomous agent publishes defamatory content?" β€’ "Don't let your dog run errand and use a good leash."
βš–οΈ ETHICS

AI makes you boring

πŸ’¬ HackerNews Buzz: 241 comments 🐝 BUZZING
🎯 Automation in Art β€’ Accessibility of Creativity β€’ Prompting and Laziness
πŸ’¬ "The creative has to hide their process. They lie about how they make their art, and gatekeep the most valuable secrets." β€’ "The boring output people complain about is a prompting problem, not an AI problem."
⚑ BREAKTHROUGH

Machine learning helps solve a central problem of quantum chemistry

""By applying new methods of machine learning to quantum chemistry research, Heidelberg University scientists have made significant strides in computational chemistry. They have achieved a major breakthrough toward solving a decades-old dilemma in quantum chemistry: the precise and stable calculation..."
πŸ› οΈ SHOW HN

Show HN: ClawShield – Open-source firewall for agent-to-agent AI communication

πŸ”’ SECURITY

Ask HN: What makes AI agent runtime logs defensible under adversarial audit?

πŸ€– AI MODELS

Google rolls out Gemini 3.1 Pro, which it says is β€œa step forward in core reasoning”, for all users in the Gemini app; the .1 increment is a first for Google

πŸ› οΈ SHOW HN

Show HN: Syne – AI agent that remembers everything, built on PostgreSQL

πŸ”¬ RESEARCH

The Cascade Equivalence Hypothesis: When Do Speech LLMs Behave Like ASR$\rightarrow$LLM Pipelines?

"Current speech LLMs largely perform implicit ASR: on tasks solvable from a transcript, they are behaviorally and mechanistically equivalent to simple Whisper$\to$LLM cascades. We show this through matched-backbone testing across four speech LLMs and six tasks, controlling for the LLM backbone for th..."
πŸ› οΈ SHOW HN

Show HN: Cogitator – Self-hosted AI agent runtime with native A2A Protocol

πŸ› οΈ TOOLS

MemoTrail – Persistent memory for AI coding assistants (100% local)

🌐 POLICY

What's next for Chinese open-source AI

πŸ”¬ RESEARCH

Protecting the Undeleted in Machine Unlearning

"Machine unlearning aims to remove specific data points from a trained model, often striving to emulate "perfect retraining", i.e., producing the model that would have been obtained had the deleted data never been included. We demonstrate that this approach, and security definitions that enable it, c..."
πŸ¦†
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