The Signal.

Moment-Video: Diagnosing Temporal Fidelity of Video MLLMs on Momentary Visual Events

arXiv:2606.02522v2 Announce Type: replace-cross Abstract: Video multimodal large language models (MLLMs) have made rapid progress in general and long-form video understanding, yet their ability to capture and use brief, answer-critical visual evidence remains underexplored.…

BridgeAfford: Bridging Query-Target Gap for Generalizable 3D Affordance Grounding

arXiv:2610.21918v1 Announce Type: cross Abstract: Language-guided 3D affordance grounding aims to localize functional regions on 3D objects according to interaction intents. However, existing methods exhibit poor generalization to unseen objects. One challenge is the…

Why Do Agent Teams Fail Across Boundaries? A Failure Taxonomy for Agent-to-Agent Systems with Private States

arXiv:2610.19342v2 Announce Type: replace-cross Abstract: Agents are increasingly interacting with other agents that act for different principals (people or organizations on whose behalf they work), such as a buyer's personal agent negotiating with an…

Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context

Meta released Muse Spark Open, an 816B-parameter open-weight MoE model with 42B active parameters and a 1M-token context. It leads open models on MCP-Atlas and runs on 2 M5 Ultra Mac Studios. The post…

sparqlite: SPARQL 1.1 inside SQLite, written in Rust

Research: sparqlite: SPARQL 1.1 inside SQLite, written in Rust This research task is really an experiment in running Claude Code for web in "Ultracode" mode, as described in Orchestrate subagents at scale with dynamic…

Scaling Indic Pretraining: 2.8 Trillion Tokens and an Open Data Generation Pipeline

Benefit Street Partners answers questions faster with Codex

Anant Kumar builds tools to compare loan valuations and analyze credit agreements, using Codex for code review and faster follow-ups.

Stack Overflow for Agents triples signups with ChatGPT plugin

Two engineers shipped Stack Overflow for Agents in a few weeks with Codex, and its ChatGPT plugin helped drive up to 10× growth in agent creation.

Welcome Beam: a 501B open model you can own, customize, and scale

When it came to Cal AI’s viral success, a small army of influencers paid off

The company generated over $30 million in revenue in two years and was acquired by MyFitnessPal for an undisclosed amount of money in March.

ChatGPT can peek at your Chrome tabs now

OpenAI's ChatGPT Atlas browser is gone, but now ChatGPT's Google Chrome extension is getting some upgrades that allow it to use the browser tabs you already have open. With the extension installed, OpenAI says…

Sega pulls Total War: Shogun 2 remaster from sale following disastrous launch

Sega is removing Total War: Shogun 2 – Complete Edition from storefronts following a disastrous launch where users complained about issues like bugs and upscaling that appears to have been done by AI. Complete…