LLM Bubble Warning. Nvidia Posts Record Growth. GPT-5.1-Codex-Max Improves Coding. VideoCAD Trains CAD Co-pilot.

The AI news for November 20th, 2025 Here are the details of the day's selected top stories: No AI bubble, but an LLM disaster? Source: https://www.all-ai.de/news/news24/llm-blase-desaster Nvidia’s record $57B revenue and upbeat forecast quiets AI bubble talk Source: https://techcrunch.com/2025/11/19/nvidias-record-57b-revenue-and-upbeat-forecast-quiets-ai-bubble-talk/ OpenAI's new code model GPT-5.1-Codex-Max is supposed to work on a task for longer than a day. Source: https://the-decoder.de/openais-neues-code-modell-gpt-5-1-codex-max-soll-laenger-als-einen-tag-an-einer-aufgabe-arbeiten/ New AI agent learns to use CAD to create 3D objects from sketches Source: https://news.mit.edu/2025/new-ai-agent-learns-use-cad-create-3d-objects-sketches-1119