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AI X/Twitter Mar 31, 2026 2 min read

Meta said on March 27, 2026 that SAM 3.1 is a drop-in update to SAM 3 that improves video processing efficiency through object multiplexing. The project's release notes say the update introduces shared-memory joint multi-object tracking, new checkpoints, and about 7x speedup at 128 objects on a single H100 compared with the November 2025 SAM 3 release.

AI Mar 23, 2026 2 min read

On March 16, 2026, NVIDIA launched the Nemotron Coalition, an open-model collaboration with Black Forest Labs, Cursor, LangChain, Mistral AI, Perplexity, Reflection AI, Sarvam, and Thinking Machines Lab. The first coalition model will be trained on NVIDIA DGX Cloud and serve as the basis for the upcoming Nemotron 4 family.