NVIDIA's most capable model with 550B parameters for complex reasoning, coding, and multimodal tasks.
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
NVIDIA's most capable model with 550B parameters for complex reasoning, coding, and multimodal tasks. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for Nemotron 3 Ultra 550B on LLM Gateway starts at $0.50 per million input tokens and $2.20 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
Nemotron 3 Ultra 550B supports a context window of up to 512,288 tokens on its largest provider deployment.
Nemotron 3 Ultra 550B is served by DeepInfra, OpenRouter through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. Nemotron 3 Ultra 550B supports both tool (function) calling and strict JSON output schema (upstream-enforced) through LLM Gateway.
Nemotron 3 Ultra 550B was released on June 1, 2026.