# GLM-4.5-Air vs Nemotron 3 Ultra 550B A55B (slim)

> Nemotron 3 Ultra 550B A55B scores 68.8 (B) to GLM-4.5-Air's 59.1 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/glm-4-5-air-vs-nemotron-3-ultra-550b-a55b.md (~6,500 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/glm-4-5-air-vs-nemotron-3-ultra-550b-a55b.json · canonical https://www.anchorterminal.com/compare/glm-4-5-air-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 GLM-4.5-Air's 59.1 (C), and leads in 4 of 5 scored categories. GLM-4.5-Air leads on reach. Both do open-weight models you run yourself.

- GLM-4.5-Air: C 59.1, rank #62 of 100 open-weight models · https://www.anchorterminal.com/tools/glm-4-5-air.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
- GLM-4.5-Air, good for Agents with two to four datacentre GPUs, or a provider account, who want a permissively licensed English and Chinese tool-calling model with wide runtime support. Ahead on Reach, 65 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 50; Risk, 70 against 65; Agent interface, 90 against 85; Documentation and upkeep, 65 against 38.

| Category | GLM-4.5-Air | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Capability (35%) | 50 | 73 |
| Reach (25%) | 65 | 55 |
| Risk (20%) | 65 | 70 |
| Agent interface (10%) | 85 | 90 |
| Documentation and upkeep (10%) | 38 | 65 |

| Fact (where they differ) | GLM-4.5-Air | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Vendor | Z.ai (Zhipu AI) | NVIDIA |
| Licence | MIT | OpenMDW-1.1 |
| Last release | 2025-08-11 | 2026-06-04 |