Nemotron 3 Ultra 550B A55B — free API access
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We currently found 2 free API options across 2 providers. Compare context windows, limits, and access terms.
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We group the same underlying model across API providers without merging provider-specific limits. Free tiers, speed, quotas, and availability depend on the platform, so verify the provider terms before production use.
2 models
🚀 2 powerful
⚖️ 0 balanced
⚡ 0 lightweight
| № | Model | Provider | Parameters | Context | Limit | Status | |
|---|---|---|---|---|---|---|---|
| 1 | 🚀 NVIDIA: Nemotron 3 Ultra (free)nvidia/nemotron-3-ultra-550b-a55b:free | OpenRouter | 550B | 1.0M | Free tier | Online | Open |
| 2 | 🚀 Nemotron 3 Ultra 550b A55bnvidia/nemotron-3-ultra-550b-a55b | NVIDIA Build | 550B | 1.0M | Free serverless inference for development; limits and model availability may change. | Online | Open |