Pricing, context window and lifecycle for nvidia/nemotron-3-ultra-550b-a55b, tracked from what the vendor publishes.
| Input | $0.600 |
| Output | $3.60 |
| Cache read | $0.200 |
| Model ID | nvidia/nemotron-3-ultra-550b-a55b |
| Vendor | NVIDIA |
| Context window | 512,288 tokens |
| Knowledge cutoff | - |
| End of life | none published |
frequency_penalty, include_reasoning, logit_bias, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p
Every change we have observed since tracking began.
| Detected | Change | Detail |
|---|---|---|
| 2026-07-30 13:35 | Pricing Change | Output $2.20 -> $3.60 (+63.6%) · Cache read $0.100 -> $0.200 (+100.0%) · Input $0.500 -> $0.600 (+20.0%) |