{"slug": "nemotron-3-5-lightning-now-available-on-ai-gateway-for-free", "title": "Nemotron 3.5 Lightning now available on AI Gateway for free", "summary": "NVIDIA's Nemotron 3.5 Lightning is now available for free on Vercel's AI Gateway under the model name nvidia/nemotron-3.5-lightning-free, served by NVIDIA. The open-weight reasoning and chat model has 30B parameters with 3B active per token in a hybrid Mixture-of-Experts design interleaving Mamba-2 and MoE layers with a few attention layers, a 1M token context window, and support for tool calling and structured outputs. Vercel notes the provider may retain prompts for model improvement, and the model can be called through the AI SDK, Chat Completions, Responses, and Messages APIs or a coding agent connected to AI Gateway.", "body_md": "[Nemotron 3.5 Lightning](https://vercel.com/ai-gateway/models/nemotron-3.5-lightning-free) from [NVIDIA](https://vercel.com/ai-gateway/models/providers/nvidia) is now available for free on [AI Gateway](https://vercel.com/ai-gateway) as `nvidia/nemotron-3.5-lightning-free`, served by NVIDIA.\n\nNemotron 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.\n\nNote: The provider may retain prompts for model improvement.\n\nCall Nemotron 3.5 Lightning through the [AI SDK](https://vercel.com/docs/ai-gateway/sdks-and-apis/ai-sdk), the [Chat Completions](https://vercel.com/docs/ai-gateway/sdks-and-apis/openai-chat-completions), [Responses](https://vercel.com/docs/ai-gateway/sdks-and-apis/responses), and [Messages](https://vercel.com/docs/ai-gateway/sdks-and-apis/anthropic-messages-api) APIs, or a [coding agent](https://vercel.com/docs/ai-gateway/coding-agents) connected to AI Gateway.\n\nUse `nvidia/nemotron-3.5-lightning-free` as the model name:\n\nTo use it in Claude Code, Codex, Cursor, and more, install the latest Vercel CLI and run setup:\n\nThen select `nvidia/nemotron-3.5-lightning-free` in the agent. See the [coding agents guide](https://vercel.com/docs/ai-gateway/coding-agents) for details.\n\nAI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime. It includes built-in [custom reporting](https://vercel.com/changelog/custom-reporting-ai-gateway), [budgets for API keys](https://vercel.com/docs/ai-gateway/authentication-and-byok/api-keys), [routing rules](https://vercel.com/docs/ai-gateway/models-and-providers/routing-rules), and more.\n\nAI Gateway reflects provider pricing with no markup and does not charge a platform fee on inference, including on [Bring Your Own Key](https://vercel.com/docs/ai-gateway/authentication-and-byok/byok) (BYOK) requests.\n\nYou can view [all language models](https://vercel.com/ai-gateway/models?type=text) available on AI Gateway.", "url": "https://wpnews.pro/news/nemotron-3-5-lightning-now-available-on-ai-gateway-for-free", "canonical_source": "https://vercel.com/changelog/nemotron-3-5-lightning-now-available-on-ai-gateway-for-free", "published_at": "2026-10-14 00:00:00+00:00", "updated_at": "2026-10-15 00:04:24.894554+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "ai-tools", "ai-infrastructure", "ai-agents"], "entities": ["NVIDIA", "Nemotron 3.5 Lightning", "Vercel", "AI Gateway", "AI SDK", "Claude Code", "Codex", "Cursor"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/nemotron-3-5-lightning-now-available-on-ai-gateway-for-free", "markdown": "https://wpnews.pro/news/nemotron-3-5-lightning-now-available-on-ai-gateway-for-free.md", "text": "https://wpnews.pro/news/nemotron-3-5-lightning-now-available-on-ai-gateway-for-free.txt", "jsonld": "https://wpnews.pro/news/nemotron-3-5-lightning-now-available-on-ai-gateway-for-free.jsonld"}}