z.ai debuts faster, cheaper GLM-5 Turbo model for agents and 'claws' — but it's not open-source

Z.ai says GLM-5-Turbo is currently closed-source, but it also says the model’s capabilities and findings will be folded into its next open-source model release ...
VentureBeat

K2 Think arrives from UAE as 'world’s fastest open-source AI model'

Not to be confused with Chinese AI lab Moonshot's recently released, powerful, open source model Kimi K2, another new open source large language model (LLM) called "K2 Think" debuted today, and it's ...
Inc

OpenAI’s Fast New Model Aims to Push Vibe Coding Toward Warp Speed

On February 12, in a blog post on its website, OpenAI said that the new model is called GPT‑5.3‑Codex‑Spark, and it’s been optimized for one thing in particular: speed. On X, OpenAI cofounder and CEO ...
Ars Technica

OpenAI sidesteps Nvidia with unusually fast coding model on plate-sized chips

On Thursday, OpenAI released its first production AI model to run on non-Nvidia hardware, deploying the new GPT-5.3-Codex-Spark coding model on chips from Cerebras. The model delivers code at more ...