Where to use Nemotron 3 Ultra for free
4 free ways to use Nemotron 3 Ultra: rate limits per source, context window, tool calling and vision support.
1,048k context · tool calling · 4 of 4 verified · how we verify
Free sources
Verified first
| Offer | Served as | RPM | RPD | TPM | Context | Card | Resets | Status |
|---|---|---|---|---|---|---|---|---|
 NVIDIA NIM Free Inference Endpoints | nemotron-3-ultra-550b-a55b | 40 | 10,000 | — | 1,048k | no card | — | Verified · Oct 12, 2026 |
 OpenCode Zen Free Models | Nemotron 3 Ultra Free | — | — | — | — | card | — | Verified · Oct 12, 2026 |
 OpenRouter Free AI Models | NVIDIA: Nemotron 3 Ultra (free) | 20 | 50 | — | 1,000k | no card | resets daily | Verified · Oct 12, 2026 |
 Requesty Free Models | nvidia/nemotron-3-ultra-550b-a55b | 20 | 200 | — | 1,000k | no card | resets daily | Verified · Oct 12, 2026 |
Related
Frequently asked questions
- Where can I use Nemotron 3 Ultra for free?
- 4 listed offers serve Nemotron 3 Ultra free: NVIDIA NIM Free Inference Endpoints, OpenCode Zen Free Models, OpenRouter Free AI Models and 1 more. The tightest published daily cap among them is 50 requests per day.
- What context window does Nemotron 3 Ultra have on free tiers?
- The largest context any listed free source documents for Nemotron 3 Ultra is 1,048k tokens. Some free tiers cap it lower; the per-source value is in the table.
- Does Nemotron 3 Ultra support tool calling and vision?
- As documented by its free sources, Nemotron 3 Ultra supports tool calling and does not accept image input.
Limits are what each provider publishes; a dash means the provider publishes none, and no number here is guessed. Rows are re-checked monthly (how we verify).