--- title: "nemotron-3-ultra-550b-a55b - Model Details & Comparison" description: "nemotron-3-ultra-550b-a55b from Together AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/together_ai/nemotron-3-ultra-550b-a55b" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/together_ai/nemotron-3-ultra-550b-a55b.md" --- # nemotron-3-ultra-550b-a55b - Model Details & Comparison > nemotron-3-ultra-550b-a55b from Together AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) ## About nemotron-3-ultra-550b-a55b nemotron-3-ultra-550b-a55b is a chat model from Together AI, one of 57 chat models they offer. It is priced at $0.60 per 1M input tokens and $3.60 per 1M output tokens, ranking 1573 out of 2910 chat models by cost and cheaper than 46% of models in this category. nemotron-3-ultra-550b-a55b supports function calling, prompt caching, structured output. Its 512K-token context window is in the top 19% among chat models. ## Specifications - **Together AI Provider.** - **Chat Mode.** - **512,300 Max Input Tokens.** - **512,300 Max Tokens.** - **$0.60 / 1M tokens Input Price.** - **$3.60 / 1M tokens Output Price.** ## Capabilities nemotron-3-ultra-550b-a55b supports: Function Calling, Prompt Caching, Response Schema. ## nemotron-3-ultra-550b-a55b Pricing Overview At $0.60 per 1M input tokens and $3.60 per 1M output tokens, nemotron-3-ultra-550b-a55b ranks 1573 out of 2910 chat models by input cost. It is more expensive compared to the median of $0.55 for chat models, and is cheaper than 46% of models in this category. nemotron-3-ultra-550b-a55b is one of 57 Together AI chat models, with support for function calling, prompt caching, structured output. its 512K-token context window places it in the top 19% of chat models. ## Models to Compare Alternatives to nemotron-3-ultra-550b-a55b with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-5.4-mini | Azure | $0.75 | $4.50 | | gpt-5.4-mini-2026-03-17 | Azure | $0.75 | $4.50 | | gemini-3-flash-preview | Vertex AI | $0.50 | $3.00 | | gemini-3.6-flash | Vertex AI | $0.75 | $3.75 | | gemini-3.7-flash | Vertex AI | $0.75 | $3.75 | - [Compare gpt-5.4-mini](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.4-mini.md) - [Compare gpt-5.4-mini-2026-03-17](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.4-mini-2026-03-17.md) - [Compare gemini-3-flash-preview](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3-flash-preview.md) - [Compare gemini-3.6-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.6-flash.md) - [Compare gemini-3.7-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.7-flash.md) ## Related Resources - [Calculate nemotron-3-ultra-550b-a55b costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/together_ai/model/nemotron-3-ultra-550b-a55b.md) - [Check Together AI status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/together-ai.md) - [All Together AI pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/together_ai.md) ## FAQ ### Is nemotron-3-ultra-550b-a55b cheaper than gpt-5.4-mini? Yes. nemotron-3-ultra-550b-a55b costs $0.60 per 1M input tokens compared to gpt-5.4-mini's $0.75 per 1M input tokens, making it 25% more affordable. Both are chat models and share support for vision, function calling, reasoning, web search, prompt caching, structured output. ### How does nemotron-3-ultra-550b-a55b pricing compare to the average chat model? nemotron-3-ultra-550b-a55b input pricing is $0.60 per 1M tokens, which is 9% above the median of $0.55 for chat models. It ranks 1573 out of 2910 chat models by input cost, making it cheaper than 46% of models in this category. For output, it costs $3.60 per 1M tokens compared to the median of $1.50. ### What makes nemotron-3-ultra-550b-a55b different from other Together AI models? Among Together AI's 57 chat models, nemotron-3-ultra-550b-a55b ranks 32 by input cost. ### What are the best alternatives to nemotron-3-ultra-550b-a55b? The most comparable chat models to nemotron-3-ultra-550b-a55b are: gpt-5.4-mini from Azure ($0.75/1M input tokens); gpt-5.4-mini-2026-03-17 from Azure ($0.75/1M input tokens); gemini-3-flash-preview from Vertex AI ($0.50/1M input tokens); gemini-3.6-flash from Vertex AI ($0.75/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library. ### How large is nemotron-3-ultra-550b-a55b's context window? nemotron-3-ultra-550b-a55b supports up to 512,300 input tokens, placing it in the top 19% of chat models by context window size (rank 542 of 2882). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I check if Together AI is down? You can monitor Together AI service health in real time on the Bifrost Together AI Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds. ### How do I calculate nemotron-3-ultra-550b-a55b costs? nemotron-3-ultra-550b-a55b is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.60 and generating 1M output tokens costs $3.60. ## Related Resources - [Together AI models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/together_ai.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/together_ai/nemotron-3-ultra-550b-a55b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/together_ai/nemotron-3-ultra-550b-a55b) for AI/LLM consumption.*