Romain Huet demonstrated an unreleased version of GPT-4o on ChatGPT Desktop showcasing capabilities like low latency voice generation, whisper tone moderation, camera mode streaming video to GPT-4o, rapid OCR, screen sharing with ChatGPT for programming help, clipboard reading, and vision-based code conversation. OpenAI's four investment areas highlighted include textual intelligence, efficiency/cost, model customization, and multimodal agents.

Google DeepMind released Gemma 2 models in 9B and 27B sizes trained on 8T and 13T tokens respectively, using SFT, distillation, RLHF, and model merging, optimized for TPUv5e with strong performance and safety measures. Meta AI announced the Meta LLM Compiler built on Meta Code Llama with enhanced code optimization and compiler features.