Newsletter Archive

Breakdown of 'loop engineering' — how to structure AI agents to run longer, harder tasks by designing explicit workflows with verification checkpoints, task decomposition, and skill-based prompting rather than single-shot queries.

Ben's Bites · 6 min read Community

Apollo and Blackstone are launching a $35 billion joint financing vehicle for AI infrastructure, creating a new Wall Street funding model for expensive chips and compute. The deal involves Anthropic and Broadcom, signaling a shift in how capital flows to AI buildout.

Bloomberg Tech · 1 min read Market

Anthropic released Claude Mythos 5, a specialized model for cybersecurity and biology research that has already uncovered 10,000+ high/critical-severity vulnerabilities in critical software through Project Glasswing, a consortium including AWS, Apple, Google, Microsoft, and NVIDIA. Available to vetted partners at $10/million input tokens, with expansion to 150+ organizations planned.

Anthropic · 4 min read Industry

OpenAI confidentially filed for an IPO, joining a $3.6 trillion AI IPO pipeline with the potential to become the most expensive public market debut in the space—marking a major shift in how frontier AI companies access capital.

Bloomberg Tech · 1 min read Market

Taiwan is considering sweeping restrictions on AI chip exports to China as geopolitical tensions escalate, while OpenAI files for IPO, marking a watershed moment for AI company valuations and the broader generative AI market shifting toward public scrutiny.

Bloomberg Tech · 1 min read Policy

Cohere shipped North Mini Code, a 30B-parameter Mixture-of-Experts model (3B active) designed for agentic coding tasks and complex code generation. It scores 33.4 on Artificial Analysis' Coding Index, outperforming Qwen3.5, Gemma 4, and even models 4–5x larger, and is available open-source under Apache 2.0.

Hugging Face · 12 min read Tools

After 5.5 hours of testing, Simon Willison details Claude Fable 5's capabilities: same performance as Claude Mythos 5 but with strict safety guardrails, 1M token context, 128K max output, and double Opus pricing ($10/$50 per million tokens). The model feels "like a beast"—fast and capable enough that finding tasks it can't handle is the real challenge.

Simon Willison · 10 min read Industry

MIT spinout Ferveret is deploying a nuclear-reactor-inspired liquid cooling system that cuts data center cooling energy and water use significantly by using smaller, faster-detaching bubbles to accelerate heat transfer, currently piloting with major operators like CleanSpark and Switch.

MIT AI News · 8 min read Hardware