name = "Llama 3.1 Nemotron Ultra 253B" description = "Flagship Nemotron model for high-throughput reasoning and complex agents" family = "nemotron" release_date = "2025-04-07" last_updated = "2025-04-07" attachment = false reasoning = true temperature = true tool_call = true open_weights = true [limit] context = 128_000 output = 8_192 [modalities] input = ["text"] output = ["text"]