ConciseSignal

Abu Dhabi institute debuts K2 Horizon open AI models

The Institute of Foundation Models in Abu Dhabi released K2 Horizon, a set of six AI models ranging from under a billion to 375 billion parameters. IFM says the suite is fully open, extending beyond just downloadable code to include training data and detailed development records—though not all material is yet online. The biggest model targets enterprise customers, while the smallest is built for wearables and phones.

Why it mattersResearchers and developers get an unusual level of transparency into how these models are made—key for reproducibility, audits, and adaptation. This could pressure others to open up their own AI models.

Sources covering this

The New StackK2 Horizon just shipped as six new fully open models — developers aren’t fully convinced12:00 PM
Concise Signal DailyEverything that mattered, every weekday at 7am.

More in AI

18 sources · 3d ago

OpenAI rolls out GPT-6 Astra to most paying users

OpenAI has made its new GPT-6 Astra model available to most paying subscribers a day after its official launch. The rollout, initially described as “messy” by OpenAI’s CEO, now includes ChatGPT Plus, Business, Pro, and Enterprise users, while customers on the lower-priced Go tier do not have access. Astra is also available via the API. OpenAI says the rollout required bringing new systems and additional computing resources online.

6 sources · 1d ago

ChatGPT Images 2.5 adds faster editing tools

OpenAI has updated its ChatGPT Images feature to version 2.5, adding several new editing tools and speeding up image generation. You can now remove backgrounds, resize images to preset dimensions, erase items by brushing over them, and use markup and comment functions directly from a new Edit toolbar. According to TechRadar, the features are available in both web and app versions, though OpenAI hasn't formally announced the rollout yet.

11 sources · 16h ago

Anthropic researcher resigns, warns of AI race risks

Jacob Coxon, who worked on AI training at Anthropic and previously OpenAI, resigned this week. He posted that large AI firms are 'gambling with our lives' by pushing towards systems they may not be able to control. Coxon says both companies know the risks but feel locked in a race to develop powerful AI anyway. He called for drastic steps like a pause on new model improvements.

11 sources · 1d ago

OpenAI says AI cracked landmark math problem, faces credit dispute

OpenAI claims its AI has solved a 200-year-old fluid dynamics equation, one of the Clay Millennium math prize problems. The announcement is under fire: NYU mathematician Tristan Buckmaster says OpenAI rushed their work after learning of his progress and tried to sideline other contributors. OpenAI denies accessing rivals’ data, but both sides accuse the other of trying to shape credit. The company spent millions on computing to finish the proof.