A Flood of Open Weights: MiniMax M3.1 Flash, Tencent Hy-Nomas, and NVIDIA's 4GB Nemotron Bolt
A single day saw open-weight drops spanning a 428B sparse model, a Tencent diffusion release, and an NVIDIA model small enough to fit in 4GB — a snapshot of how fast the open ecosystem is moving.
The open-weight release calendar had a packed Saturday, with major drops from MiniMax, Tencent, and NVIDIA arriving within hours of one another. According to @soluunj, MiniMax opened the weights for M3.1 Flash, a 428-billion-parameter model with 23 billion active per token — a sparse mixture-of-experts design that keeps inference costs down while scaling total capacity.
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