# Nemotron 3.5 Lightning Free

Nemotron 3.5 Lightning is an open-weight reasoning and chat model for long-running agents, sub-agent work, chatbots, and RAG systems. The model has 30B parameters with 3B active per token, in a hybrid Mixture-of-Experts design that interleaves Mamba-2 and MoE layers with a few attention layers. It has a 1M token context window and supports tool calling and structured outputs. The provider may retain prompts and responses for model improvement.

- **Model ID:** `nvidia/nemotron-3.5-lightning-free`
- **Type:** chat
- **Providers:** nvidia
- **Context window:** 1,000,000
- **Maximum output tokens:** 65,000
- **Pricing:** See the provider details below
- **Canonical page:** https://vercel.com/ai-gateway/models/nemotron-3.5-lightning-free

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

```ts
import { streamText } from 'ai'

const result = streamText({
  model: 'nvidia/nemotron-3.5-lightning-free',
  prompt: 'Why is the sky blue?'
})
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/nemotron-3.5-lightning-free)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)