Last Week in AI #328 - DeepSeek 3.2, Mistral 3, Trainium3, Runway Gen-4.5

Summary

The episode reviews a wave of new AI models and infrastructure, highlighting DeepSeek's reasoning‑first V3.2 series with tool‑use capabilities, Mistral's multimodal Mistral 3 family that runs offline on a single GPU, AWS's Trainium 3 chips and upcoming Trainium 4 with NVLink support, and Runway's Gen‑4.5 text‑to‑video model that tops benchmark rankings. It also covers Black Forest Labs' $300 M raise and Flux 2 image model, plus a roundup of broader AI news such as Gemini 3 Deep Think, OpenAI's internal “code red,” and industry moves by Nvidia, Anthropic, and others. The hosts emphasize how these releases push efficiency, long‑context reasoning, and multimodal quality, while also noting trade‑offs like context limits and the competitive pressure among major AI players.