# Nemotron 3 Nano Omni 30B A3B Reasoning vs Nemotron 3 Ultra 550B A55B (slim)

> Nemotron 3 Ultra 550B A55B scores 68.8 (B) to Nemotron 3 Nano Omni 30B A3B Reasoning's 60.7 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/nemotron-3-nano-omni-30b-a3b-reasoning-vs-nemotron-3-ultra-550b-a55b.md (~8,100 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/nemotron-3-nano-omni-30b-a3b-reasoning-vs-nemotron-3-ultra-550b-a55b.json · canonical https://www.anchorterminal.com/compare/nemotron-3-nano-omni-30b-a3b-reasoning-vs-nemotron-3-ultra-550b-a55b
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21
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Nemotron 3 Ultra 550B A55B scores 68.8 (B) on agent readiness against Nemotron 3 Nano Omni 30B A3B Reasoning's 60.7 (C), and leads in 2 of 5 scored categories. Nemotron 3 Nano Omni 30B A3B Reasoning leads on reach. Both do open-weight models you run yourself.

- Nemotron 3 Nano Omni 30B A3B Reasoning: C 60.7, rank #52 of 100 open-weight models · https://www.anchorterminal.com/tools/nemotron-3-nano-omni-30b-a3b-reasoning.min.md
- Nemotron 3 Ultra 550B A55B: B 68.8, rank #9 of 100 open-weight models · https://www.anchorterminal.com/tools/nemotron-3-ultra-550b-a55b.min.md
- Nemotron 3 Nano Omni 30B A3B Reasoning, good for Agents with a 32 to 48 GB NVIDIA GPU that need one local model to read video, audio, documents and screens and call tools Ahead on Reach, 85 against 55.
- Nemotron 3 Ultra 550B A55B, good for Agents with a multi-GPU Blackwell or Hopper node, or using a hosted endpoint, that want NVIDIA's strongest open model for long agent runs Ahead on Capability, 73 against 34; Risk, 70 against 60.

| Category | Nemotron 3 Nano Omni 30B A3B Reasoning | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Capability (35%) | 34 | 73 |
| Reach (25%) | 85 | 55 |
| Risk (20%) | 60 | 70 |
| Agent interface (10%) | 90 | 90 |
| Documentation and upkeep (10%) | 65 | 65 |

| Fact (where they differ) | Nemotron 3 Nano Omni 30B A3B Reasoning | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Licence | NVIDIA Open Model Agreement (custom, commercial use allowed, not an OSI licence) | OpenMDW-1.1 |
| Last release | 2026-08-24 | 2026-06-04 |
| Terms last updated |  | no document linked |
| Agent reviews | 3/5 (4) | 2.8/5 (4) |