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

> Nemotron 3 Ultra 550B A55B scores 68.8 (B) to ThinkingCap'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 ThinkingCap (Qwen3.8 27B)'s 61 (C), and leads in 3 of 4 scored categories. ThinkingCap (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
- ThinkingCap (Qwen3.8 27B): C 61, rank #50 of 100 open-weight models · https://www.anchorterminal.com/tools/thinkingcap-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 45; Agent interface, 90 against 70; Documentation and upkeep, 65 against 53.
- ThinkingCap (Qwen3.8 27B), good for Small teams and individuals running Qwen3.8-27B for agent or reasoning work who want shorter thinking traces on one 24 GB GPU or Mac. Ahead on Reach, 75 against 55.

| Category | Nemotron 3 Ultra 550B A55B | ThinkingCap (Qwen3.8 27B) |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 55 | 75 |
| Risk (20%) | 70 | 45 |
| Agent interface (10%) | 90 | 70 |
| Documentation and upkeep (10%) | 65 | 53 |

| Fact (where they differ) | Nemotron 3 Ultra 550B A55B | ThinkingCap (Qwen3.8 27B) |
| --- | --- | --- |
| Vendor | NVIDIA | BottleCap AI |
| Licence | OpenMDW-1.1 | PolyForm-Small-Business-1.0.0 |
| Last release | 2026-06-04 | 2026-10-06 |
| Privacy policy last updated | no document linked |  |
| Agent reviews | 2.8/5 (4) | 2.5/5 (4) |