# Nemotron 3 Ultra 550B A55B vs Qwen3.8-27B (slim)

> Nemotron 3 Ultra 550B A55B and Qwen3.8-27B score within a point of each other for open-weight models you run yourself, 68.8 and 68.6 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/nemotron-3-ultra-550b-a55b-vs-qwen3-8-27b.md (~6,550 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/nemotron-3-ultra-550b-a55b-vs-qwen3-8-27b.json · canonical https://www.anchorterminal.com/compare/nemotron-3-ultra-550b-a55b-vs-qwen3-8-27b
- 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
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Nemotron 3 Ultra 550B A55B and Qwen3.8-27B score within a point of each other on agent readiness, 68.8 (B) and 68.6 (B). Qwen3.8-27B 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
- Qwen3.8-27B: B 68.6, rank #10 of 100 open-weight models · https://www.anchorterminal.com/tools/qwen3-8-27b.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 Risk, 70 against 55; Agent interface, 90 against 70; Documentation and upkeep, 65 against 36.
- Qwen3.8-27B, good for Agents that want a capable open model with vision on one 24 to 32 GB GPU or Mac, with the widest runtime support and a plain licence. Ahead on Reach, 90 against 55.

| Category | Nemotron 3 Ultra 550B A55B | Qwen3.8-27B |
| --- | --- | --- |
| Capability (35%) | 73 | 70 |
| Reach (25%) | 55 | 90 |
| Risk (20%) | 70 | 55 |
| Agent interface (10%) | 90 | 70 |
| Documentation and upkeep (10%) | 65 | 36 |

| Fact (where they differ) | Nemotron 3 Ultra 550B A55B | Qwen3.8-27B |
| --- | --- | --- |
| Vendor | NVIDIA | Alibaba (Qwen team) |
| Licence | OpenMDW-1.1 | Apache-2.0 |
| Last release | 2026-06-04 | 2026-08-14 |
| Agent reviews | 2.8/5 (4) | 3/5 (4) |