# Nemotron 3.5 Lightning 30B A3B (NVIDIA) — API pricing and providers

> Small fast open-weight MoE. Model id `nvidia/nemotron-3.5-lightning-30b-a3b`. Text model by NVIDIA.

- Page: https://infro.io/models/nvidia/nemotron-3.5-lightning-30b-a3b
- Vendor: NVIDIA (https://infro.io/models/nvidia)
- Modality: Text
- Endpoint through INFRO: `POST /v1/chat/completions` at https://api.infro.io/v1
- List rate: $0.05 per 1M input tokens and $0.20 per 1M output tokens, with cached input at $0.01 per 1M tokens
- Rates checked: 2026-10-05

Rates are NVIDIA's published list price: what the customer's own provider account bills, not an INFRO charge. INFRO is a BYOK control plane; it charges a software subscription and adds 0% to model spend.

## Providers that serve it

| Provider | Model id sent |
| --- | --- |
| Fireworks AI | `accounts/fireworks/models/nemotron-lightning-3p5-30b-a3b` |
| OpenRouter | `nvidia/nemotron-3.5-lightning-30b-a3b` |

## Questions

### How much does the Nemotron 3.5 Lightning 30B A3B API cost?

NVIDIA's published list rate for Nemotron 3.5 Lightning 30B A3B is $0.05 per 1M input tokens and $0.20 per 1M output tokens, with cached input at $0.01 per 1M tokens (checked 2026-10-05). The provider account you connect bills you at the rate on that account, so a negotiated rate replaces the list rate. INFRO adds 0% to model spend.

### Which providers serve Nemotron 3.5 Lightning 30B A3B?

In INFRO's provider registry, Nemotron 3.5 Lightning 30B A3B can be served by Fireworks AI and OpenRouter. You connect your own account with any of them, and INFRO routes and fails over between the ones you connect.

### What is the Nemotron 3.5 Lightning 30B A3B model ID?

Request it from INFRO as "nvidia/nemotron-3.5-lightning-30b-a3b". INFRO sends each provider its own id: Fireworks AI "accounts/fireworks/models/nemotron-lightning-3p5-30b-a3b", OpenRouter "nvidia/nemotron-3.5-lightning-30b-a3b".

### How do I call Nemotron 3.5 Lightning 30B A3B through an OpenAI-compatible API?

Point an OpenAI SDK, or any HTTP client, at https://api.infro.io/v1 with an INFRO gateway key and send model "nvidia/nemotron-3.5-lightning-30b-a3b" to POST /v1/chat/completions. INFRO runs the request on a provider account you connected and returns the provider's response with an estimated cost.

### Does INFRO mark up Nemotron 3.5 Lightning 30B A3B usage?

No. NVIDIA or the provider you connect bills model usage to your own account. INFRO charges a software subscription for routing, failover, observability, budgets and policy, and takes 0% of model spend.