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X402-NVIDIA Nemotron-3-Super-120B Chat Completions
x402
X402-NVIDIA Nemotron-3-Super-120B Chat Completions is a paid API for AI agents from x402-nvidia.vercel.app, paid per call via x402, $0.104101/call, status unknown (last checked 2026-09-13).
Runs inference on NVIDIA's Nemotron-3-Super-120B large language model via x402 micropayment-gated API, returning chat completion responses.
Price / call$0.104101
Success—
StatusUnknown
How this service works
Access 48+ NVIDIA NIM AI models via x402 micropayments. Chat completions, vision, safety, translation, and more.
Output
A JSON object with a 'choices' array containing the model's assistant message, including role and content fields, representing the generated text completion from Nemotron-3-Super-120B.
Example use cases
Example prompt
“Ask NVIDIA's Nemotron-3-Super-120B model to write a detailed explanation of quantum entanglement in simple terms — pay per call with USDC.”
Technical details
Endpoint
POSThttps://x402-nvidia.vercel.app/api/nemotron-3-super-120bWhen to prefer
Choose this endpoint when you need access to NVIDIA's Nemotron-3-Super-120B model specifically, want pay-per-call pricing via USDC micropayments without a subscription, or are building an agent workflow that requires a high-parameter LLM with no API key setup — ideal for low-volume or experimental use cases.
Side effects
- Payment not included or invalid x402 payment header — returns 402 Payment Required
- Malformed input messages array — returns 400 Bad Request
- Model inference timeout for very long prompts
- Insufficient USDC balance for micropayment
- Service unavailable if NVIDIA NIM backend is down
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| choices | array | Model responses |
Tags
x402
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