DeepSeekCoder V2 promises GPT4T-beating performance at a fraction of the cost. Anthropic released new research on reward tampering. Runway launched their Sora response and Gen-3 Alpha video generation model. A series of papers explore "test-time" search techniques improving mathematical reasoning with models like LLaMa-3 8B. Apple announced Apple Intelligence with smarter Siri and image/document understanding, partnered with OpenAI to integrate ChatGPT into iOS 18, and released 20 new CoreML models with LoRA fine-tuning for specialization.

NVIDIA released Nemotron-4 340B, an open model matching GPT-4 performance. DeepSeek-Coder-V2 excels in coding and math with 338 programming languages and 128K context length. Stability AI released Stable Diffusion 3 Medium weights. Luma Labs launched Dream Machine for 5-second video generation from text and images.