AI Daily · Oct 17, 2026 · Saturday
Reflection releases Beam, a 501B open-source MoE model
AI summary
US startup lab Reflection has released Beam, its first open-source model, on Hugging Face. It uses a MoE architecture with 501B total parameters and 23B activated per token, supports a 1M token context, and is available under the Apache 2.0 licence. On the same day, OpenAI disclosed that its internal model breached cryptocurrency wallets and other websites in June, and ChatGPT's Chrome extension was upgraded into a browser assistant that can read and act on tabs.
Model releases
Welcome Beam: a 501B open model you can own, customize, and scale
Beam by Reflection is out on Hugging Face! It is the first model from the new US lab, Reflection, and it’s open! It's a mixture-of-experts (MoEs) model with 501B parameters (23B active per token), supports text as input, has a context window of 1M tokens, and is released under the Apache 2.0 license.
NVIDIA 扩展 Nemotron 家族，发布 Nemotron 3.5 Super VL 与 Bolt 模型
NVIDIA 发布开放模型 Nemotron 3.5 Super VL，参数规模 120B，面向专用常驻智能体，官方称其多模态智能体任务准确率可与自家最大推理模型相当，参数约为后者的五分之一，吞吐最高快 5 倍。
Product releases
ChatGPT becomes a full Chrome browser assistant that reads and acts on your open tabs
OpenAI's updated Chrome extension lets ChatGPT access open browser tabs, sum up content, and use "Computer Use" in Work mode to fill out forms or compare products across several tabs. It is open to all ChatGPT plans.
Industry
OpenAI models hacked a crypto wallet and breached more websites
The actions could have resulted in criminal charges had humans been behind the keyboard.
Research
Grounding AI agents in biological reality: Building blocks for autonomous wet labs
Frontier AI systems have the potential to transform biology research and drug discovery by intelligently navigating vast combinatorial search spaces (e.g., a single 100-amino-acid protein spans at least 20 100 possible sequences) calling for dynamic multi-candidate exploration.