SIGNAL
Tracking the global AI frontier — labs · research · agents · policy
Frontier Signal

Research

Curated daily papers, lab research blogs and national AI research programs across the US, China, EU, UK, Japan and beyond.

Curated daily papers, lab research blogs and national AI research programs across the US, China, EU, UK, Japan and beyond.

Latest in Research

30 stories
mimalloc: A new, high-performance, scalable memory allocator for the modern era
Research

mimalloc: A new, high-performance, scalable memory allocator for the modern era

mimalloc is an open-source, modern, scalable memory allocator that is a drop-in replacement for malloc and free. It is relatively small (~12K lines), with clear…

Further Notes on Our Recent Research on AI Delegation and Long-Horizon Reliability
Research

Further Notes on Our Recent Research on AI Delegation and Long-Horizon Reliability

Our recent paper, “LLMs Corrupt Your Documents When You Delegate”, has generated discussion about the reliability of AI systems in delegated workflows. We appre…

Latest open artifacts (#21): Open model bonanza! Gemma 4, DeepSeek V4, Kimi K2.6, MiMo 2.5, GLM-5.1 & others. On CAISI's V4 assessment.
Research

Latest open artifacts (#21): Open model bonanza! Gemma 4, DeepSeek V4, Kimi K2.6, MiMo 2.5, GLM-5.1 & others. On CAISI's V4 assessment.

An eventful month with one flagship release after another…

Import AI 457: AI stuxnet; cursed Muon optimizer; and positive alignment
Research

Import AI 457: AI stuxnet; cursed Muon optimizer; and positive alignment

Welcome to Import AI, a newsletter about AI research.…

Vega: Zero-knowledge proofs for digital identity in the age of AI
Research

Vega: Zero-knowledge proofs for digital identity in the age of AI

Vega turns a full credential into a single proof, sharing only what is needed and nothing more, with performance that works in real apps. The post Vega: Zero-kn…

MagenticLite, MagenticBrain, Fara1.5: An agentic experience optimized for small models
Research

MagenticLite, MagenticBrain, Fara1.5: An agentic experience optimized for small models

MagenticLite is an agentic system for small models that works across the browser and local file system in a single workflow. It combines specialized models and …

Import AI 458: Reckoning with the future; and a singularity story
Research

Import AI 458: Reckoning with the future; and a singularity story

What AI-driven miracles will happen this year?…

Some ideas for what comes next, May 2026
Research

Some ideas for what comes next, May 2026

Gemini Flash 3.5, Mythos, open-closed balance, America's open-source surge, emerging power struggles and more.…

Extending Human Intelligence Through AI
Research

Extending Human Intelligence Through AI

Understanding AI as an extension of human intelligence—not a replacement for it—offers a more grounded path for building trustworthy AI systems. The post Extend…

Private analytics via zero-trust aggregation
Research

Private analytics via zero-trust aggregation

Security, Privacy and Abuse Prevention…

Data Formulator 0.7: AI-powered data analytics for enterprise data
Research

Data Formulator 0.7: AI-powered data analytics for enterprise data

Data Formulator introduces AI-powered analytics for enterprise data workflows. Data teams can easily bring enterprise data into an AI-ready workspace where user…

Open and closed models are on different exponentials
Research

Open and closed models are on different exponentials

Where marginally higher intelligence drives value, and where it doesn't.…

Import AI 459: AI oversight is difficult; scaling laws for protein folding models; and pricing the extinction risk of AI systems
Research

Import AI 459: AI oversight is difficult; scaling laws for protein folding models; and pricing the extinction risk of AI systems

Do you feel as though you are living in a revolution?…

Farewell Ai2
Research

Farewell Ai2

This was my last week at the Allen Institute for AI (Ai2), where I got the great privilege to work on the Olmo models, to grow, to learn, and to have broad last…

Import AI 460: Reward hacking society, RSI data from Anthropic; and RL-based quadcopter racing
Research

Import AI 460: Reward hacking society, RSI data from Anthropic; and RL-based quadcopter racing

When will markets price the singularity?…

Claude Fable 5 and new AI safety fables
Research

Claude Fable 5 and new AI safety fables

One step further into the power politics of frontier AI systems.…

Agentic MPC for Semantic Control System Resynthesis
Research

Agentic MPC for Semantic Control System Resynthesis

While MPC effectively handles structured, diverse, and low-level specifications, it lacks the capability to dynamically incorporate high-level contextual inform…

SymQNet: Amortized Acquisition for Low-Latency Adaptive Hamiltonian Learning
Research

SymQNet: Amortized Acquisition for Low-Latency Adaptive Hamiltonian Learning

Adaptive Hamiltonian learning is central to calibrating and characterizing quantum devices. In an adaptive controller, choosing the next experiment is itself a …

Graph Reinforcement Learning for Calibration-Aware Quantum Circuit Routing
Research

Graph Reinforcement Learning for Calibration-Aware Quantum Circuit Routing

Quantum circuit routing is a key step in compiling programs for noisy intermediate-scale quantum processors. Routes that appear efficient by standard overhead m…

CLARITree: Cholesky and Lookahead Accelerations for Regression with Interpretable Piecewise Linear Trees
Research

CLARITree: Cholesky and Lookahead Accelerations for Regression with Interpretable Piecewise Linear Trees

Regression trees are among the most interpretable yet expressive model classes in machine learning. Historically, greedy induction has been the dominant approac…

Interpretable Factor Decomposition for Decision Intelligence in Large-Scale Financial Markets: Evidence from China's A-Share Market
Research

Interpretable Factor Decomposition for Decision Intelligence in Large-Scale Financial Markets: Evidence from China's A-Share Market

We present an interpretable machine learning pipeline to decompose Cross-Sectional Equity Return Predictability into auditable factor contribution. We apply an …

The Hidden Power of Scaling Factor in LoRA Optimization
Research

The Hidden Power of Scaling Factor in LoRA Optimization

In Low-Rank Adaptation (LoRA), the scaling factor $α$ is often treated as a mere complement to the learning rate, yet its role in optimization remains poorly un…

Bridging Modal Isolation in Interleaved Thinking: Supervising Modality Transitions via Stepwise Reinforcement
Research

Bridging Modal Isolation in Interleaved Thinking: Supervising Modality Transitions via Stepwise Reinforcement

Interleaved thinking, where a unified multimodal model alternates between textual reasoning and visual generation, has shown promise on spatial and physical tas…

LongSpike: Fractional Order Spiking State Space Models for Efficient Long Sequence Learning
Research

LongSpike: Fractional Order Spiking State Space Models for Efficient Long Sequence Learning

Spiking Neural Networks (SNNs) are well-regarded for their biological plausibility and energy efficiency in processing sequential data. However, dominant SNN ar…

Multi-Label Test-Time Adaptation with Bayesian Conditional Priors
Research

Multi-Label Test-Time Adaptation with Bayesian Conditional Priors

Multi-label recognition with frozen Vision-Language Models (VLMs) is brittle under distribution shift: standard zero-shot inference scores labels independently,…

MARS: Margin-Adversarial Risk-controlled Stopping for Parallel LLM Test-time Scaling
Research

MARS: Margin-Adversarial Risk-controlled Stopping for Parallel LLM Test-time Scaling

Parallel test-time scaling samples many reasoning traces and majority-votes their answers, improving LLM accuracy but requiring traces to run to completion, inc…

PRISMR: Overcoming Parse Collapse in Multimodal Listwise Ranking via Parameterized Representation Internalization
Research

PRISMR: Overcoming Parse Collapse in Multimodal Listwise Ranking via Parameterized Representation Internalization

Generative listwise ranking with Large Multimodal Models (LMMs) aims to capture global list context in a single forward pass, but its effectiveness degrades in …

Circuit Synchronization Precedes Generalization: Causal Evidence from Fourier Structure in Grokking Transformers
Research

Circuit Synchronization Precedes Generalization: Causal Evidence from Fourier Structure in Grokking Transformers

Grokking -- where a transformer on modular arithmetic suddenly transitions from near-chance to near-perfect validation accuracy -- is attributed to a Fourier ci…

Quality-Preserving Imperceptible Adversarial Attack on Skeleton-based Human Action Recognition
Research

Quality-Preserving Imperceptible Adversarial Attack on Skeleton-based Human Action Recognition

Adversarial attacks on skeletal human action recognition have received significant attention. However, existing methods typically introduce noise-like perturbat…

TetherCache: Stabilizing Autoregressive Long-Form Video Generation with Gated Recall and Trusted Alignment
Research

TetherCache: Stabilizing Autoregressive Long-Form Video Generation with Gated Recall and Trusted Alignment

Autoregressive video diffusion models provide a natural formulation for streaming and variable-length video generation by conditioning newly generated frames on…