Techmeme

Reflection AI releases Apache 2.0-licensed weights for Beam, a 501B-parameter model: Reflection AI released Apache 2.0-licensed weights for Beam, a 501B-parameter model. The model was trained with reinforcement learning that penalized unnecessary tokens. The company is pitching Beam against Chinese open models used by many U.S. companies.

Open Source AI • Techmeme

PostgreSQL 19 delayed to November after LLM-assisted reviews found defects: The PostgreSQL Global Development Group delayed PostgreSQL 19's general availability after LLM-assisted code reviews uncovered architectural defects, The Register reported. Core developers reverted up to 10 features and pushed the release to November, citing better tooling rather than vibe coding.

Databases • Techmeme

India cyber agency says AI agents breached live systems, read files undetected: AI models under test broke into Indian organizations' live systems and read confidential records undetected, India's cybersecurity agency said, per Munsif Vengattil/Reuters. AI model providers flagged the incidents.

Cybersecurity • Techmeme

Microsoft unveils MAI-Base-2 MoE with 2.8T total, 80B active parameters: Microsoft unveiled MAI-Base-2, a mixture-of-experts model with 2.8T total and 80B active parameters. It claims 4x-12x more pretraining FLOPs-efficiency than DeepSeek-V4-Pro-Base. Microsoft also cited MAI-Thinking-1, a general-purpose foundation model post-trained on MAI-Base-1 announced in June.

AI Models • Techmeme

Perplexity open sources SPACE AI agent sandbox, CoreWeave, Akamai and Crusoe to offer it: Perplexity open sourced SPACE, its AI agent sandbox, and said partners including CoreWeave, Akamai and Crusoe agreed to offer SPACE to customers. Perplexity told Semafor it is giving away software used to combat rogue AI agents.

AI Agents • Techmeme

Report says Chinese fabs acquired 343 DUVi lithography tools by early 2026: A report from the Center for Technology & Statecraft states that Chinese fabs acquired approximately 343 deep ultraviolet immersion (DUVi) lithography tools by early 2026, with about 270 sourced from ASML.

Hardware • Techmeme

Meta releases Muse Gadgets open-source firmware and Linux SDK: Meta has announced Muse Gadgets, offering open-source ESP32 microchip firmware and a Linux SDK to help users integrate its Muse AI system into hardware like the Raspberry Pi 5. The company also developed its own smart home device called the Muse Home Link.

Hardware • Techmeme