nothing much happened today

**OpenAI's o1 model** faces skepticism about open-source replication due to its extreme restrictions and unique training advances like RL on CoT. **ChatGPT-4o** shows significant performance improvements across benchmarks. **Llama-3.1-405b** fp8 and bf16 versions perform similarly with cost benefits for fp8. A new open-source benchmark "Humanity's Last Exam" offers $500K in prizes to challenge LLMs. Model merging benefits from neural network sparsity and linear mode connectivity. Embedding-based toxic prompt detection achieves high accuracy with low compute. **InstantDrag** enables fast, optimization-free drag-based image editing. **LangChain v0.3** releases with improved dependency management. Automated code review tool **CodeRabbit** adapts to team coding styles. Visual search advances integrate multimodal data for better product search. Experts predict AI will be default software by 2030.