The AI Brief

Everything happening in AI· Tracking 200+ sources so you don't have to

This Week's Signal

The biggest AI news from the last 7 days

New Model

Claude Opus 4.6 — 1M context, agent teams

Features a 1-million-token context window and introduces agent teams — groups of agents that can split larger tasks into segmented jobs. Outperformed GPT-5.2 on several benchmarks.

Feb 5
New ModelSep 29

Claude Sonnet 4.5 — autonomous agent benchmark leader

State-of-the-art on SWE-bench Verified and OSWorld (61.4%). Can work autonomously for 30+ hours (up from 7 hours with Op...

New ModelMay 22

Claude Sonnet 4 and Opus 4 launch

Claude Sonnet 4 delivers superior coding and reasoning as a hybrid model. Claude Opus 4 is declared the world's best cod...

New ModelApr 16

o3 — OpenAI's smartest reasoning model with tool use

OpenAI releases o3, its most capable reasoning model, making 20% fewer major errors than o1. The first reasoning model t...

Open SourceApr 5

Llama 4 Scout and Maverick — MoE + 10M context

First Llama models with native multimodality and mixture-of-experts architecture. Scout supports a 10M-token context win...

BreakthroughMar 25

Gemini 2.5 Pro — Google's first thinking model

Google's first 'thinking model' that reasons through steps before responding. Debuted at #1 on LMArena by a significant...

BreakthroughFeb 24

Claude 3.7 Sonnet — first hybrid reasoning model

The first hybrid reasoning model on the market, able to produce near-instant responses or engage in visible extended ste...

New ModelFeb 17

Grok 3 — trained on 200K-GPU Colossus supercluster

Trained with 10x the compute of Grok-2 on the 200,000-GPU Colossus supercluster. Features a 1M-token context window and...

New ModelJan 31

o3-mini — fast, affordable reasoning

OpenAI releases o3-mini, a cost-efficient reasoning model optimized for STEM. Excels in science, math, and coding, showi...

Open SourceJan 20

DeepSeek R1 — open-source reasoning model shakes markets

An open-source reasoning model rivaling OpenAI o1. Its mobile app briefly surpassed ChatGPT as #1 free app on the US App...

Trending Models

The AI models making the most noise right now

Quick Take

What's shaping AI this week in three lines

The race is on

Top AI labs are competing harder than ever to build the smartest model

Free AI is catching up

Open-source models are getting close to matching the paid ones

AI that works alone

Autonomous AI agents are going from experiment to everyday tool

Explore

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