NVIDIA Nemotron 3 Ultra 550B API Coding

NVIDIA Nemotron 3 Ultra 550B is a powerful model for code generation, debugging, and software development. Use it with Cline, Cursor, OpenCode, or any AI coding tool that supports OpenAI-compatible APIs.

99% cheaper than OpenRouter

NVIDIA Nemotron 3 Ultra 550B Pricing

Token TypeQubaxRetailSave
Input (per 1M)$0.0081$0.62599%
Output (per 1M)$0.041$3.1399%

A typical coding copilot workload (8K input + 2K output tokens, 500 requests/day) costs approximately $2.19/month on Qubax.

Why use NVIDIA Nemotron 3 Ultra 550B for coding on Qubax?

  • ๐Ÿ’ปCode completion and generation across 50+ languages
  • ๐Ÿ’ปDebug and fix errors with context-aware suggestions
  • ๐Ÿ’ปWrite unit tests and documentation automatically
  • ๐Ÿ’ปConnect to Cline or Cursor by setting the base URL to api.qubax.ai/v1

About NVIDIA Nemotron 3 Ultra 550B

NVIDIA Nemotron 3 Ultra 550B-A55B โ€” NVIDIA flagship reasoning model (550B total / 55B active MoE) tuned for agentic workloads, with a 1M-token context window. It supports a 1M-token context window and up to 16K output tokens per request. Native capabilities include reasoning, tool calling, structured output, streaming. On Qubax it is served by 111 independent sellers, so pricing stays competitive and uptime stays high.

1M context window16K max output tokensBuilt-in reasoningFunction & tool callingJSON schema responsesToken streaming

NVIDIA Nemotron 3 Ultra 550B Coding โ€” code example

Python โ€” streaming code completionpython
from openai import OpenAI

client = OpenAI(
    base_url="https://api.qubax.ai/v1",
    api_key="qbx_live_YOUR_KEY",
)

stream = client.chat.completions.create(
    model="nvidia-nemotron-3-ultra-550b-a55b",
    messages=[{"role": "user", "content": "Refactor this function to be async"}],
    stream=True,
)
for chunk in stream:
    print(chunk.choices[0].delta.content or "", end="")

More Other models on Qubax

Get started in 60 seconds

  1. 1Create a free account at qubax.ai/register
  2. 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
  3. 3Generate an API key and set your base URL to https://api.qubax.ai/v1
  4. 4Use model ID nvidia-nemotron-3-ultra-550b-a55b โ€” done!

NVIDIA Nemotron 3 Ultra 550B Coding FAQ

How much does NVIDIA Nemotron 3 Ultra 550B cost for coding?

On Qubax, NVIDIA Nemotron 3 Ultra 550B costs $0.0081 per 1M input tokens and $0.041 per 1M output tokens. 99% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.

Can I use NVIDIA Nemotron 3 Ultra 550B with my existing tools?

Yes. Qubax is fully OpenAI-compatible. Change your base URL to api.qubax.ai/v1 and use your Qubax key. Works with Cline, Cursor, OpenCode, LangChain, and any OpenAI SDK.

Do I need a credit card?

No. Qubax accepts 200+ cryptocurrencies. No credit card, no KYC.

Start using NVIDIA Nemotron 3 Ultra 550B for coding

No credit card. Crypto accepted. Credits never expire.

Get started โ†’
NVIDIA Nemotron 3 Ultra 550B API for Coding โ€” 99% off ยท Qubax AI