# MiniCPM-o 4.5 vs Nemotron 3 Ultra 550B A55B (slim)

> Nemotron 3 Ultra 550B A55B scores 68.8 (B) to MiniCPM-o 4.5's 61 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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Nemotron 3 Ultra 550B A55B scores 68.8 (B) on agent readiness against MiniCPM-o 4.5's 61 (C), and leads in 2 of 4 scored categories. MiniCPM-o 4.5 leads on reach. Both do open-weight models you run yourself.

- MiniCPM-o 4.5: C 61, rank #42 of 100 open-weight models · https://www.anchorterminal.com/tools/minicpm-o-4-5.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
- MiniCPM-o 4.5, good for Agents that need a local model to see, hear and speak on a laptop or a single small GPU, with a plain licence. Ahead on Reach, 90 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 Risk, 70 against 40; Agent interface, 90 against 35.

| Category | MiniCPM-o 4.5 | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 55 |
| Risk (20%) | 40 | 70 |
| Agent interface (10%) | 35 | 90 |
| Documentation and upkeep (10%) | 66 | 65 |

| Fact (where they differ) | MiniCPM-o 4.5 | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Vendor | OpenBMB | NVIDIA |
| Licence | Apache-2.0; built from Qwen3-8B, SigLIP2, Whisper-medium and CosyVoice2, all Apache 2.0 on their Hub cards | OpenMDW-1.1 |
| Last release | 2026-10-16 | 2026-06-04 |