Week of March 30, 2026
8 stories tracked
OpenAI closed the largest private financing round in history at $122 billion, valuing the company at $852 billion post-money. Amazon led with $50B, NVIDIA and SoftBank each contributed $30B. The company now reports $2B in monthly revenue, nearly 1 billion weekly ChatGPT users, and 50 million paid subscribers.
Anthropic accidentally shipped a 59.8MB source map in Claude Code v2.1.88, exposing nearly 2,000 TypeScript files. The repo hit 84,000+ GitHub stars within days. Anthropic called it human error, not a security breach — but a brief supply chain attack window affected users who installed between 00:21 and 03:29 UTC on March 31.
Google dropped Gemma 4 with models from 2B to 31B parameters, all under a true Apache 2.0 license for the first time. The models support multi-step planning, autonomous action, offline code generation, and audio-visual processing on-device. The 31B dense model competes on raw quality while the 26B MoE variant optimizes for speed.
A configuration error made nearly 3,000 unpublished Anthropic documents public, revealing Claude Mythos — a model that outperforms Opus 4.6 across cybersecurity, coding, and reasoning benchmarks. Internal materials describe it as occupying a new tier above Opus. Anthropic says it's extremely compute-intensive and is working on efficiency before general release.
Developed under the code name Glass, Cursor 3 replaces the traditional IDE with an agent-orchestration layer. Developers describe tasks in natural language, spin up parallel agents, and review outcomes before committing. New features include an Agents Window, Design Mode, native best-of-N model comparison, and cloud-local agent handoff. The move comes as Claude Code holds 54% of the AI coding market.
OpenAI announced Sora's two-stage shutdown: app closes April 26, API follows in September. After peaking at ~1M users post-launch, retention collapsed below 500K while daily compute costs hit $1M. Disney's $1B partnership died with it — they found out less than an hour before the public. The pivot signals OpenAI doubling down on Codex and enterprise agents over creative tools.
The Linux Foundation formed the Agentic AI Foundation (AAIF) with three anchor projects: Anthropic's MCP, Block's goose agent framework, and OpenAI's AGENTS.md. Platinum members include AWS, Anthropic, Block, Bloomberg, Cloudflare, Google, Microsoft, and OpenAI. The foundation has grown to 146 members including American Express, JPMorgan Chase, and Red Hat.
Anthropic acquired Coefficient Bio, a stealth startup with fewer than 10 people — nearly all former Genentech computational biology researchers. The team built a platform for AI-driven drug R&D planning, clinical regulatory strategy, and drug candidate discovery. They join Anthropic's Healthcare Life Sciences unit, signaling a push into specialized, high-margin verticals beyond general-purpose AI.