OpenAI launched GPT-5.1 with improvements in conversational tone, instruction following, and adaptive reasoning. GPT-5.0 is being sunset in 3 months. ChatGPT introduces new tone toggles for personalization, serving over 800 million users. Waymo rolls out freeway driving for public riders in major California cities, showcasing advances in autonomous driving. Anthropic's Project Fetch explores LLMs as robotics copilots using Claude. Perceptron releases a new API and Python SDK for multimodal perception-action apps supporting Isaac-0.1 and Qwen3VL-235B.

Code Arena offers live coding evaluations supporting Claude, GPT-5, GLM-4.6, and Gemini. LangChain introduces middleware for agent governance with human-in-the-loop controls. LlamaIndex releases a structured extraction template for SEC filings using LlamaAgents. NousResearch promotes ARC Prize benchmarks for generalized intelligence evaluation.