# Nemotron 3 Ultra 550B A55B vs Qwen3.5-0.8B (slim)

> Nemotron 3 Ultra 550B A55B scores 68.8 (B) to Qwen3.5-0.8B's 46.7 (D) 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 Qwen3.5-0.8B's 46.7 (D), and leads in 4 of 5 scored categories. Qwen3.5-0.8B leads on reach. Both do open-weight models you run yourself.

- 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
- Qwen3.5-0.8B: D 46.7, rank #97 of 100 open-weight models · https://www.anchorterminal.com/tools/qwen3-5-0-8b.min.md
- 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 17; Risk, 70 against 55; Agent interface, 90 against 60; Documentation and upkeep, 65 against 37.
- Qwen3.5-0.8B, good for Builders who want a near-free local helper or fine-tuning base for narrow tasks on a phone-class device, laptop or CPU Ahead on Reach, 80 against 55.

| Category | Nemotron 3 Ultra 550B A55B | Qwen3.5-0.8B |
| --- | --- | --- |
| Capability (35%) | 73 | 17 |
| Reach (25%) | 55 | 80 |
| Risk (20%) | 70 | 55 |
| Agent interface (10%) | 90 | 60 |
| Documentation and upkeep (10%) | 65 | 37 |

| Fact (where they differ) | Nemotron 3 Ultra 550B A55B | Qwen3.5-0.8B |
| --- | --- | --- |
| Vendor | NVIDIA | Alibaba (Qwen team) |
| Licence | OpenMDW-1.1 | Apache-2.0 |
| Last release | 2026-06-04 | 2026-03-02 |