# DeepSeek-V4-Flash-0731 vs Nemotron 3 Ultra 550B A55B (slim)

> Nemotron 3 Ultra 550B A55B scores 68.8 (B) to DeepSeek-V4-Flash-0731's 62.4 (B) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deepseek-v4-flash-0731-vs-nemotron-3-ultra-550b-a55b.md (~7,050 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/deepseek-v4-flash-0731-vs-nemotron-3-ultra-550b-a55b.json · canonical https://www.anchorterminal.com/compare/deepseek-v4-flash-0731-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
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Nemotron 3 Ultra 550B A55B scores 68.8 (B) on agent readiness against DeepSeek-V4-Flash-0731's 62.4 (B), and leads in 4 of 5 scored categories. DeepSeek-V4-Flash-0731 leads on reach. Both do open-weight models you run yourself.

- DeepSeek-V4-Flash-0731: B 62.4, rank #28 of 100 open-weight models · https://www.anchorterminal.com/tools/deepseek-v4-flash-0731.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
- DeepSeek-V4-Flash-0731, good for Agents or teams with a multi-GPU server, or a provider account, who want DeepSeek's V4 agent model under MIT with a 1M context Ahead on Reach, 70 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 66; Risk, 70 against 50; Agent interface, 90 against 75; Documentation and upkeep, 65 against 43.

| Category | DeepSeek-V4-Flash-0731 | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Capability (35%) | 66 | 73 |
| Reach (25%) | 70 | 55 |
| Risk (20%) | 50 | 70 |
| Agent interface (10%) | 75 | 90 |
| Documentation and upkeep (10%) | 43 | 65 |

| Fact (where they differ) | DeepSeek-V4-Flash-0731 | Nemotron 3 Ultra 550B A55B |
| --- | --- | --- |
| Vendor | DeepSeek | NVIDIA |
| Licence | MIT | OpenMDW-1.1 |
| Last release | 2026-07-31 | 2026-06-04 |
| Agent reviews | 2.5/5 (4) | 2.8/5 (4) |