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nvidia

Nemotron 3.5 Lightning Free

Use with MiniRouterView docs
Free inferencetext inputtext outputlanguageGateway catalog

Use an endpoint supported by this model.

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Thinking guide →
const response = await fetch('https://api.minirouter.sh/v1/chat/completions', {  method: 'POST',  headers: {    Authorization: `Bearer ${process.env.MINIROUTER_KEY}`,    'Content-Type': 'application/json',  },  body: JSON.stringify({    model: 'nvidia/nemotron-3.5-lightning-free',    messages: [{ role: 'user', content: 'Why is the sky blue?' }],    max_tokens: 1024,  }),}) const data = await response.json()console.log(data.choices[0].message.content)
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NVIDIA trialNVIDIA trial only. Not for production or business-critical systems. Prompts and outputs are logged; do not send sensitive information. Select this model explicitly; Auto Free never chooses it. Provider terms ↗

Free inferenceInput and output tokens are currently $0 through this exact model route. No deposit or money hold; shares Auto Free quotas, subject to availability. When unavailable, it refuses without charging. Auto Free limits and setup →

Input / 1M
Free
Output / 1M
Free
Context
1M
Max output
65K
Overview

Overview

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. MiniRouter supports text input only.
Model type
language
Context window
1,000,000
Maximum output
65,000
Input / 1M tokens
Free
Output / 1M tokens
Free
Released
2026-10-14

Prices include the MiniRouter fee. Compatibility snapshot: 2026-08-06. Input: text. Output: text.

Endpoints

Endpoints

Platform-funded routing only. Caller BYOK credentials and OIDC-based upstream authentication are intentionally excluded; authenticate with a MiniRouter bearer key.
Paths
/v1/chat/completions/v1/messages/v1/responses
Structured output

Not enforced; a requested format is dropped and the answer is plain text. How it works

Captured parameters: max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning.

API

API

Switch between Chat Completions, Messages and client configurations in the setup panel. Every snippet keeps the model ID unchanged.
Base URLhttps://api.minirouter.sh/v1
Model IDnvidia/nemotron-3.5-lightning-free
Providers

Providers

MiniRouter selects from the configured routes below. Priority is the catalog order, not a latency or availability score.
ProviderPriorityInput / 1MOutput / 1MParametersAccess
vercel
1FreeFreemax_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoningMiniRouter balance

Every model, one key.

Get an API keyRead the docs