NVIDIA Nemotron 3 Ultra & GLM-5.2: The Open Model Flood Is Here (June 2026)
NVIDIA released Nemotron 3 Ultra, a 550-billion-parameter open model under a fully permissive license, competitive with GPT-4.5 on code and reasoning. Z.AI launched GLM-5.2 with MIT-licensed weights, excelling in long-co…