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Nemotron 3.5 Lightning 30B A3B Free API on OpenCode Zen

Free API Verified
Catalog metadata matched Reasoning models.dev metadata

Fast NVIDIA Nemotron MoE for reliable agentic tasks across enterprise workloads

Free APIOpenAI compatibleReasoningTool callingJSON modeReasoning
API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://opencode.ai/zen/v1
Model ID
nemotron-3.5-lightning-free
API format OpenAI Chat Completions
Technical Details

Nemotron 3.5 Lightning 30B A3B specifications

Provider and model catalog
Context window 262K
Max output 262K
Status Online
Family nemotron
Released Aug 11, 2026
Last updated Aug 11, 2026
Free listing since Aug 13, 2026
Input text
Output text
Capabilities reasoning, tool calling, structured output, temperature control
Open weights Yes
AI Recommendation

Should you use Nemotron 3.5 Lightning 30B A3B?

Nemotron 3.5 Lightning 30B A3B is listed for chat workloads and supports a 262K context window.

Use it when OpenCode Zen's free tier is enough for evaluation, demos, or light production traffic.

Best for
  • Chat
Strengths & Weaknesses

Strengths

  • Long context window
  • Reasoning mode listed
  • Tool calling support
  • Structured JSON output

Watch outs

  • Vision support is not listed
Pricing

Nemotron 3.5 Lightning 30B A3B pricing per 1M tokens

Free tier listed
Input $0 per 1M tokens
Output $0 per 1M tokens
Free access Available OpenCode Zen
Availability

Nemotron 3.5 Lightning 30B A3B availability by provider

Current provider only

We only found this Nemotron 3.5 Lightning 30B A3B listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.

Provider Model listing Access Context API Limits
OpenCode Zen Nemotron 3.5 Lightning 30B A3B Free tier 262K Native Varies
View OpenCode Zen setup guide →
Typical Use Cases

Nemotron 3.5 Lightning 30B A3B use cases

Chat

Nemotron 3.5 Lightning 30B A3B is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Nemotron 3.5 Lightning 30B A3B free API FAQ

Is Nemotron 3.5 Lightning 30B A3B free to use?

Nemotron 3.5 Lightning 30B A3B is listed with free API access on OpenCode Zen, subject to the provider's quota and account policy.

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

The model ID shown in this catalog is nemotron-3.5-lightning-free.

What context window does Nemotron 3.5 Lightning 30B A3B support?

The listed context window is 262K tokens with up to 262K output tokens.

More about Nemotron 3.5 Lightning 30B A3B

Free Nemotron 3.5 Lightning 30B A3B API.

For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.