Pick the Right Tools for the Right Job: Researchers designed HYSET, a technique to call collections of tools that work together
When an LLM agent can choose among thousands of tools, picking the right ones for a given task is difficult.
Latest
Video Models Steer Robots: Black Forest Labs’ Flux 3 Action applies video expertise to a World-Action Model
Many companies that build image and video generators have pivoted to robotics, extending their expertise in world models to action.
Argon, A Low-Hallucination Model Build for Knowledge Work: Google's first Gemini 4 Model, Argon, avoids hallucinations and shines at knowledge work
Google took over half a year before it replaced its flagship AI model, Gemini 3.1 Pro Preview.
Sol Nearly Eclipses Astra: OpenAI’s GPT-6.1 Sol is DevDay’s star, joined by Dots and new ChatGPT integrations
OpenAI’s latest mid-tier model lands within a point of its flagship at less than a quarter of the cost per task on Artificial Analysis’ Intelligence Index.
Scaling Up for Future AI Demands: More Agents Demand More Compute
I think most people still underestimate the data center build-outs that will be required to meet demand.
OpenAI’s DevDay, Google’s First Gemini 4 Model, Black Forest Labs Dives Into Robots
The Batch News & Insights: I think most people still underestimate the data center build-outs that will be required to meet demand.
Mistral shows European AI has more to offer: Reflection releases low-cost LLM with open weights
OpenAI gives mathematicians extra work. Analysis shows Claude subscriptions’ bang for buck. Google’s open weight embedding model gets an upgrade. Optional text watermarks come to OpenAI products.
Gemini 4 Argon’s benchmarks and availability: Microsoft’s streaming voice model answers Google and OpenAI
Meta’s Muse poses privacy concerns. OpenAI’s image-driven revenue strategy. Cohere Embed 5 offers an alternative to Google. arXiv places limits on authors’ submissions.
Agents That Can Check Their Own Work Piece by Piece: AREX condenses and reviews its own research
When asked questions requiring extensive reasoning and tool use to answer, agents may search without making progress, repeat unsuccessful strategies, or settle for partially verified answers.
DeepSeek’s Flash Leapfrogs Pro Again: How V4.1’s architecture reduces cache reads
When agents make a tool call, they send the same context back through the model every time.
Voice, Video, and Reasoning in One: Google’s Gemini 3.8 Live with Extended Thinking
Google released two new speech-to-speech voice models, joining a suddenly crowded field of models built to power voice agents.
An Unexpected Open Weights Leader: It’s Xiaomi’s MiMo-V2.6-Pro RL and MiMo-V2.6-Flash
Xiaomi, best known for its smartphones and electric vehicles, released the highest-scoring open weights model on Artificial Analysis’ Intelligence Index.
Letters
We Should Be Encouraged By AI’s Cybersecurity Abilities: Why GLM-5.3’s High ExploitBench score is good news
Anthropic recently released an encouraging analysis of the cyber capabilities of open weight model GLM-5.3.
The Batch Newsletter
The Next Top Open Model, Google Voice Agents, DeepSeek Shrinks Caches: Plus a letter on open weight cybersecurity capabilities
The Batch News & Insights: Anthropic recently released an encouraging analysis of the cyber capabilities of open weight model GLM-5.3.
Data Points
The biggest news from OpenAI’s Dev Day: Pay attention to Claude Sonnet 5.5’s effort settings
Dots, an agent swarm to manage tasks and cloud services. Qwen-Audio-3.1, a full-duplex alternative to GPT-Realtime-2. Ember-1, a less-expensive fine-tune of Kimi K3. U.S. AI leaders sign symbolic safety pledge.
Data Points
OpenAI halts model training: Nvidia says it can make working with agents safer
Gemini-3.8 Flash TTS and Flash-Lite TTS speech models. Using AI models to speed up site/app UX. Cyber Index Alliance supports security benchmarks. Scientist says Anthropic plagiarized his team’s data.
Machine Learning Research
Agents Work Better When They Can Pass Each Other Notes: Meta research on agent orchestration finds message passing improves performance, reduces latency
Large language models can work faster by dividing problems into sub-problems to be solved in parallel instead of in sequence.
Machine Learning Research
One Agent Works, Another Directs: Devin Fusion with SWE-2 rivals Claude Fable 5.1 and GPT-6 Astra output at lower costs
Benchmarking a coding agent typically means scoring one model within one harness.
Machine Learning Research
Models Built to Do One Thing Well: Jev, a classification model, takes the developer world by storm, inspires imitators
While most companies focus on generative and reasoning models, one company is betting on a class of models that isn’t either.
Machine Learning Research
Claude Opus 5.5 Leaps Forward: Anthropic’s updated Opus is the most capable AI model yet, with price reduction on tokens
A week and a half after CEO Dario Amodei proposed slowing down AI development, Anthropic released an AI model that promises to be first in a larger family.
Letters
What Stage Is Your Project? Takeaways For AI Engineering: How to Adjust Your Tactics to Fit Your Project's Maturity
Moving forward on early stage, 0-to-1 projects and mature projects requires very different tactics.
The Batch Newsletter
Opus Stalks the Frontier, Jev Classifies Everything, Running Two Models in One Agent
The Batch News & Insights: Moving forward on early stage, 0-to-1 projects and mature projects requires very different tactics.
Data Points
Claude 5.5’s first model has landed: GPT-6 Sol and GPT-6 Luna arrive on the same day as Opus
MiMo-V2.6-Pro is the top open weights model. Grok 4.7 is a top five model on Artificial Analysis. Meta moves to address security vulnerability in Muse. Qwen-Audio-3.1-TTS model speaks 16 languages.
Data Points
Qwen-Image-2.1 goes open weights: Gemini 3.8 Live, now with Extended Thinking mode
Devin’s SWE-2 Cognition model is a capable sidekick. Astra for Law brings top-shelf AI to legal work. Don’t let top AI companies dictate the rules, CEO says. Study questions wisdom of blanket AI bans in education.