4 providers · 11 free models · Last updated: 01 Nov 2026
Free Nemotron API models—including Nemotron 3 Ultra 550B, 3.5 Lightning, and Super-VL—are available on OpenRouter (1M context), OpenCode Zen, and Requesty.
Total available in this directory: 4 providers, 11 free models. Verified limits below.
NVIDIA Nemotron 3.5 Lightning with 1M context window.
Base URL: https://openrouter.ai/api/v1
Model: nvidia/nemotron-3.5-lightning:free
Provider: OpenRouterfrom openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="your-api-key", # from OpenRouter
)
response = client.chat.completions.create(
model="nvidia/nemotron-3.5-lightning:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)| Model | Provider | Cost | Context | RPM | TPM | RPD | Day tokens | Verified |
|---|---|---|---|---|---|---|---|---|
| Nemotron 3 Ultra Free | OpenCode Zen | $0 (promo) | 256K - 1M | Not published | Not published | Not published | Not published | 2026-11-01 |
| Nemotron 3.5 Lightning Free | OpenCode Zen | $0 (promo) | 256K - 1M | Not published | Not published | Not published | Not published | 2026-11-01 |
| Nemotron 3.5 Super VL Free | OpenCode Zen | $0 (promo) | 256K - 1M | Not published | Not published | Not published | Not published | 2026-11-01 |
| nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free | OpenRouter | $0 | 250K | 20 | Provider-dependent | 50 (below $10 credits) / 1,000 ($10+ credits) | Not published | 2026-11-01 |
| nvidia/nemotron-3-ultra-550b-a55b:free | OpenRouter | $0 | 1000000 | 20 | Provider-dependent | 50 (below $10 credits) / 1,000 ($10+ credits) | Not published | 2026-11-01 |
| nvidia/nemotron-3.5-content-safety:free | OpenRouter | $0 | 125K | 20 | Provider-dependent | 50 (below $10 credits) / 1,000 ($10+ credits) | Not published | 2026-11-01 |
| nvidia/nemotron-3.5-lightning:free | OpenRouter | $0 | 1000000 | 20 | Provider-dependent | 50 (below $10 credits) / 1,000 ($10+ credits) | Not published | 2026-11-01 |
| nvidia/nemotron-3.5-super-vl:free | OpenRouter | $0 | 1000000 | 20 | Provider-dependent | 50 (below $10 credits) / 1,000 ($10+ credits) | Not published | 2026-11-01 |
| nvidia/nemotron-3.5-lightning:free | Kilo Gateway | $0 | 1000000 | 20 | Provider-dependent | 200/day | Not published | 2026-11-01 |
| nvidia/nemotron-3.5-super-vl:free | Kilo Gateway | $0 | 1000000 | 20 | Provider-dependent | 200/day | Not published | 2026-11-01 |
| nvidia/nemotron-3-super-120b-a12b | Requesty | $0 | 128K | Not published | Not published | 200/day shared | Not published | 2026-11-01 |
Machine-readable: Markdown Twin · providers.json · sitemap.xml