Nemotron 3 Ultra 550B A55B
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NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
Providers
Every request goes to the cheapest healthy route and fails over to the next.
Loading the routes…
Latency and throughput appear after the first hourly test request to each provider, or once this model has traffic here. Every request goes to the cheapest healthy route and fails over to the next.
Pricing
What a call costs through Rapid Router, at the route requests go to.
What it supports
- Tool calling (function calling)
- JSON mode and structured output
- Image input (vision)
- Audio input
- Extended reasoning
- Streaming responses
- OpenAI SDK, Anthropic SDK and any OpenAI-compatible client
Price in rupees
What Nemotron 3 Ultra 550B A55B costs through Rapid Router, converted at today's billing rate (₹98.25 per $). Top up with UPI or a card; a GST invoice follows every recharge.
| Rupees | US dollars | |
|---|---|---|
| 1M input tokens | ₹58.95 | $0.600 |
| 1M output tokens | ₹354 | $3.60 |
| 1K input tokens | ₹0.059 | $0.00060 |
| 1K output tokens | ₹0.354 | $0.00360 |
| A typical exchange: 1,300 tokens in, 400 out | ₹0.218 | $0.00222 |
Make a request
The same request you send to OpenAI today, pointed at https://rapidrouter.ai/api/v1.
curl https://rapidrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nvidia/nemotron-3-ultra-550b-a55b",
"messages": [{ "role": "user", "content": "Hello" }]
}'Frequently asked
What does Nemotron 3 Ultra 550B A55B cost in rupees?
Through Rapid Router, Nemotron 3 Ultra 550B A55B (nvidia/nemotron-3-ultra-550b-a55b) costs ₹58.95 per million input tokens and ₹354 per million output tokens, billed in Indian rupees from a prepaid balance. In dollars these are the provider's list prices, exactly what your balance is debited; the rupee figures are converted at our billing rate, the market rate plus a 4% currency margin. Our platform fee is charged once, when you buy credits.
How do I call Nemotron 3 Ultra 550B A55B through an OpenAI-compatible API?
Point any OpenAI-compatible client at https://rapidrouter.ai/api/v1 with a Rapid Router API key and set the model to nvidia/nemotron-3-ultra-550b-a55b. The chat completions endpoint is https://rapidrouter.ai/api/v1/chat/completions.
What is the context window of Nemotron 3 Ultra 550B A55B?
Nemotron 3 Ultra 550B A55B has a context window of 202,800 tokens on Rapid Router, and returns up to 182,520 output tokens per reply.
What can Nemotron 3 Ultra 550B A55B do?
On Rapid Router, Nemotron 3 Ultra 550B A55B supports tool calling, JSON mode, extended reasoning.
Can I pay for Nemotron 3 Ultra 550B A55B in rupees with UPI?
Yes. Rapid Router bills in Indian rupees: top up with UPI or a card, get a GST invoice on every recharge, and Nemotron 3 Ultra 550B A55B is debited from that balance at the provider's list price per million tokens.
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