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DeepSeek-V4.1-Flash-20260910 (Max) vs NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4)
DeepSeek-V4.1-Flash-20260910 (Max) is ahead on Arena (1464 vs 1445): in a blind vote people prefer it about 53% of the time.
DeepSeek-V4.1-Flash-20260910 (Max)1464Arena chat · #38 of 417
NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4)1445Arena chat · #63 of 417
Arena scores by category
| Category | DeepSeek-V4.1-Flash-20260910 (Max) | NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) | Ahead |
|---|---|---|---|
| Chat | 1464 | 1445 | DeepSeek-V4.1-Flash-20260910 (Max) |
Scores from blind human votes on Arena. A gap under 10 points is too small to call.
Size and where to use them free
| DeepSeek-V4.1-Flash-20260910 (Max) | NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) | |
|---|---|---|
| Made by | deepseek | nvidia |
| Size | not public | not public |
| 4-bit download | — | — |
| Use it free | MIT license | OpenMDW-1.1 license |
Speed at home
| Hardware | DeepSeek-V4.1-Flash-20260910 (Max) | NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) |
|---|---|---|
| RTX 3090 | online only | online only |
| RTX 4090 | online only | online only |
| RTX 5090 | online only | online only |
| RX 7900 XTX | online only | online only |
| Mac M4 Max 128 GB | online only | online only |
| Ryzen AI Max+ 395 128 GB | online only | online only |
Estimates at 4-bit with an 8K context, 64 GB of system RAM for offload, calibrated on 44 real llama.cpp tests.
Try them yourself
Ask both the same question side by side in Try & compare, or vote blind between free models in Free Arena.
More comparisons
- DeepSeek-V4.1-Flash-20260910 (Max) vs MiMo-V2.6-Pro
- DeepSeek-V4.1-Flash-20260910 (Max) vs Kimi K3 (Max)
- DeepSeek-V4.1-Flash-20260910 (Max) vs GLM-5.3 (Max)
- DeepSeek-V4.1-Flash-20260910 (Max) vs GLM-5.3-Flash
- DeepSeek-V4.1-Flash-20260910 (Max) vs GLM-5.2 (Max)
- DeepSeek-V4.1-Flash-20260910 (Max) vs MiMo-V2.5-Pro
- NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) vs MiMo-V2.6-Pro
- NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) vs Kimi K3 (Max)
- NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) vs GLM-5.3 (Max)
- NVIDIA-Nemotron-3-Ultra-550B-A55B (NVFP4) vs GLM-5.3-Flash
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