KwaiKAT Team Releases KAT-Coder-V2.5: An Agentic Coding Model Trained on 100,000+ Verifiable Repository Environments

The KwaiKAT Team at Kuaishou has introduced the KAT-Coder-V2.5. It is a coding model trained to operate inside real, executable repositories rather than emit single-turn code. The served model is available through StreamLake. An open-weight variant, KAT-Coder-V2.5-Dev, was released separately on Hugging Face under Apache-2.0. AutoBuilder: environments that actually run the intended tests The research…

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Induction Labs Photon-1 Simulates Desktops, Plays Checkers, and Models Billiard Physics From One Pretraining Run

Most agents that learn from video need to know what action produced each frame. Induction Labs is arguing that this requirement is the bottleneck. Last week, they released imagination models, a foundation model architecture that pretrains on raw video with no action labels at all. Their test system is Photon-1, a sparse 106B-A5B mixture-of-experts (MoE)…

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FAIRChem v2 UMA for Multidomain Atomistic Simulation across Molecules, Catalysts, Materials, Vibrations, and Molecular Dynamics

In this tutorial, we explore FAIRChem v2 and the UMA universal machine-learning interatomic potential as a unified framework for atomistic simulation across molecular chemistry, catalysis, and inorganic materials. We configure an environment, authenticate with Hugging Face to access the gated UMA model weights, and initialize task-specific calculators for the omol, oc20, and omat domains. We…

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Kalshi demands Netflix take down trailer for ‘Prediction Games’ documentary

Prediction market Kalshi sent Netflix a cease-and-desist letter on Friday demanding that the streaming service take down the trailer for an upcoming documentary. In the letter, Kalshi claimed the trailer is “defamatory” and contains “both fabricated documents and false and misleading statements.” “Instadocs: The Prediction Games” is a documentary about the rise of prediction markets….

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Warner Bros. lawsuit accuses Amazon of illegally poaching executives

Warner Bros. Discovery filed a lawsuit this week accusing Amazon of interference with contractual relations, breach of contract, and unfair competition. As reported by Deadline, the lawsuit alleges Amazon has been “hurriedly seeking to pirate away a number of contracted employees,” including Pia Barlow, an HBO Max marketing executive who recently joined Amazon MGM Studios….

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Meet Open Dreamer: A JAX/Flax Reproduction of the Dreamer 4 World Model Pipeline, With the Full Training Recipe Published

A small group of AI researchers (Reactor) have released Open Dreamer, an open implementation of the Dreamer 4 world-model pipeline written in JAX and Flax NNX. What actually shipped Two repositories were released. next-state/open-dreamer holds the training pipeline: a causal video tokenizer, an action-conditioned latent dynamics model, rollout generation, and FVD scoring. reactor-team/open-dreamer holds a…

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