OpenAI Splits Codex into Basic and Advanced Tiers

OpenAI restructured Codex with separate Basic and Advanced tiers, adding app preview, scratchpad, a Pull Requests section, and inline comments on previewed UI. The split gives power users deeper integration while keeping the entry point accessible.

Microsoft's markitdown Converts Any Doc to LLM-Ready Markdown

Microsoft open-sourced markitdown, converting PDFs, DOCX, PPTX, HTML and other formats into clean Markdown suitable for LLM context windows. Gained 3,600+ stars in its first week. Solves a pain point every RAG pipeline developer has hit.

Google ADK Becomes the Most Complete Multi-Agent Framework

Google's Agent Development Kit (adk-python) hit 8,200+ stars and emerged as the most fully-featured multi-agent framework this month. Meanwhile Block's Goose takes a different approach: local-first with native MCP support for tool integration.

Harvey Launches End-to-End Autonomous Legal Agents

Harvey shipped legal agents that autonomously draft memos, diligence reports, and presentations. The agents reason through complex legal problems end-to-end and produce review-ready documents, marking a shift from AI-assisted to AI-led legal work.

4chan Users Discovered Chain-of-Thought Reasoning in 2022

New research reveals AI Dungeon players on 4chan accidentally elicited chain-of-thought reasoning from LLMs in 2022, over a year before Google researchers claimed the discovery. The finding went viral on HN and Reddit, sparking debate about academic credit in AI.

NVIDIA Hosts Quantum Day — Hybrid Quantum-GPU Computing

NVIDIA's Quantum Day showcased AI-accelerated quantum hardware, error correction breakthroughs, and hybrid quantum-GPU supercomputing architectures. The event signals NVIDIA is positioning itself at the intersection of quantum and AI compute.