DeepSeek-V4.1-Flash vs Nemotron Nano 9B v2
DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to 18.4.
DeepSeek · NVIDIA · Updated for 2026
Which is better?
DeepSeek-V4.1-Flash leads the overall LLM Stats Score 51.8 to 18.4, ranking #13 overall.
In the 1 individual benchmarks reported for both models, DeepSeek-V4.1-Flash wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose DeepSeek-V4.1-Flash
- overall performance matters — it scores 51.8 and ranks #13 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Sep 2026
Choose Nemotron Nano 9B v2
- you are already invested in the NVIDIA ecosystem
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
20 reported for DeepSeek-V4.1-Flash · 6 for Nemotron Nano 9B v2
DeepSeek-V4.1-Flash outperforms in 1 benchmarks (GPQA), while Nemotron Nano 9B v2 is better at 0 benchmarks.
DeepSeek-V4.1-Flash significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
DeepSeek-V4.1-Flash has 754.3B more parameters than Nemotron Nano 9B v2, making it 8475.3% larger.
Context Window
Maximum input and output token capacity
Only DeepSeek-V4.1-Flash specifies input context (1,040,000 tokens). Only DeepSeek-V4.1-Flash specifies output context (393,216 tokens).
Input capabilities
Documented input modalities across available providers
DeepSeek-V4.1-Flash supports multimodal inputs, whereas Nemotron Nano 9B v2 does not.
DeepSeek-V4.1-Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-V4.1-Flash
Nemotron Nano 9B v2
License
Usage and distribution terms
DeepSeek-V4.1-Flash is licensed under MIT, while Nemotron Nano 9B v2 uses NVIDIA Open Model License Agreement .
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
NVIDIA Open Model License Agreement
Open weights
Release Timeline
When each model was launched
DeepSeek-V4.1-Flash was released on 2026-09-10, while Nemotron Nano 9B v2 was released on 2025-08-18.
DeepSeek-V4.1-Flash is 13 months newer than Nemotron Nano 9B v2.
Sep 10, 2026
1 weeks ago
1.1yr newerAug 18, 2025
1.1 years ago
Knowledge Cutoff
When training data ends
Nemotron Nano 9B v2 has a documented knowledge cutoff of 2024-09-01, while DeepSeek-V4.1-Flash's cutoff date is not specified.
We can confirm Nemotron Nano 9B v2's training data extends to 2024-09-01, but cannot make a direct comparison without DeepSeek-V4.1-Flash's cutoff date.
—
Sep 2024
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4.1-Flash and Nemotron Nano 9B v2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4.1-Flash vs Nemotron Nano 9B v2.