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DeepSeek-V4.1-Flash vs Nemotron 3 Nano (30B A3B)

DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to 21.0. Nemotron 3 Nano (30B A3B) is 3.8x cheaper per token.

DeepSeek · NVIDIA · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash leads the overall LLM Stats Score 51.8 to 21.0, ranking #12 overall.

In the 2 individual benchmarks reported for both models, DeepSeek-V4.1-Flash wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Nemotron 3 Nano (30B A3B) is roughly 3.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4.1-Flash also accepts a larger context window (1,040,000 input tokens), making it the stronger choice for long documents and large codebases.

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 #12 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you process long inputs — it offers a 1,040,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Nemotron 3 Nano (30B A3B)

  • cost matters — it's about 3.8x cheaper per token

At a glance

The differences that matter most.

DeepSeek-V4.1-Flash
DeepSeek
Nemotron 3 Nano (30B A3B)
NVIDIA
Core performance indexes
LLM Stats Score
51.8
#12
21.0
#189
Reasoning
48.9
#17
19.7
#194
Coding
44.4
#5
0.7
#237
Agents
41.3
#4
-6.7
#181
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.22 / M
$0.05 / M
Output price
$0.66 / M
$0.20 / M
Context window
1,040,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
DeepSeek-V4.1-Flash
Nemotron 3 Nano (30B A3B)
Math
35.2#43
22.3#140
Tool use
35.1#2
-1.9#182
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for DeepSeek-V4.1-Flash · 15 for Nemotron 3 Nano (30B A3B)

2 shared

DeepSeek-V4.1-Flash outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while Nemotron 3 Nano (30B A3B) is better at 0 benchmarks.

DeepSeek-V4.1-Flash significantly outperforms across most benchmarks.

Mon Sep 14 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3 Nano (30B A3B) costs less

For input processing, DeepSeek-V4.1-Flash ($0.22/1M tokens) is 4.4x more expensive than Nemotron 3 Nano (30B A3B) ($0.05/1M tokens).

For output processing, DeepSeek-V4.1-Flash ($0.66/1M tokens) is 3.3x more expensive than Nemotron 3 Nano (30B A3B) ($0.20/1M tokens).

In conclusion, DeepSeek-V4.1-Flash is more expensive than Nemotron 3 Nano (30B A3B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Sep 14 2026 • llm-stats.com
DeepSeek
DeepSeek-V4.1-Flash
Input tokens$0.22
Output tokens$0.66
Best providerFireworks
NVIDIA
Nemotron 3 Nano (30B A3B)
Input tokens$0.05
Output tokens$0.20
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

731.2B diff

DeepSeek-V4.1-Flash has 731.2B more parameters than Nemotron 3 Nano (30B A3B), making it 2285.0% larger.

DeepSeek
DeepSeek-V4.1-Flash
763.2Bparameters
NVIDIA
Nemotron 3 Nano (30B A3B)
32.0Bparameters
763.2B
DeepSeek-V4.1-Flash
32.0B
Nemotron 3 Nano (30B A3B)

Context Window

Maximum input and output token capacity

DeepSeek-V4.1-Flash accepts 1,040,000 input tokens compared to Nemotron 3 Nano (30B A3B)'s 262,144 tokens. DeepSeek-V4.1-Flash can generate longer responses up to 393,216 tokens, while Nemotron 3 Nano (30B A3B) is limited to 262,144 tokens.

DeepSeek
DeepSeek-V4.1-Flash
Input1,040,000 tokens
Output393,216 tokens
NVIDIA
Nemotron 3 Nano (30B A3B)
Input262,144 tokens
Output262,144 tokens
Mon Sep 14 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

DeepSeek-V4.1-Flash supports multimodal inputs, whereas Nemotron 3 Nano (30B A3B) 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

Text
Images
Audio
Video

Nemotron 3 Nano (30B A3B)

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash is licensed under MIT, while Nemotron 3 Nano (30B A3B) uses NVIDIA Open Model License Agreement .

License differences may affect how you can use these models in commercial or open-source projects.

DeepSeek-V4.1-Flash

MIT

Open weights

Nemotron 3 Nano (30B A3B)

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 3 Nano (30B A3B) was released on 2025-12-15.

DeepSeek-V4.1-Flash is 9 months newer than Nemotron 3 Nano (30B A3B).

DeepSeek-V4.1-Flash

Sep 10, 2026

4 days ago

8mo newer
Nemotron 3 Nano (30B A3B)

Dec 15, 2025

9 months ago

Knowledge Cutoff

When training data ends

Nemotron 3 Nano (30B A3B) has a documented knowledge cutoff of 2025-11-28, while DeepSeek-V4.1-Flash's cutoff date is not specified.

We can confirm Nemotron 3 Nano (30B A3B)'s training data extends to 2025-11-28, but cannot make a direct comparison without DeepSeek-V4.1-Flash's cutoff date.

DeepSeek-V4.1-Flash

—

Nemotron 3 Nano (30B A3B)

Nov 2025

Provider Availability

DeepSeek-V4.1-Flash is available from Fireworks, DeepInfra, DeepSeek, Novita. Nemotron 3 Nano (30B A3B) is available from DeepInfra.

DeepSeek-V4.1-Flash

fireworks logo
Fireworks
Input Price:Input: $0.22/1MOutput Price:Output: $0.66/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
deepseek logo
DeepSeek
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Nemotron 3 Nano (30B A3B)

deepinfra logo
Deepinfra
Input Price:Input: $0.05/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against DeepSeek-V4.1-Flash and Nemotron 3 Nano (30B A3B) side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash
✓ Preferred
Nemotron 3 Nano (30B A3B)
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash vs Nemotron 3 Nano (30B A3B).

Which is better, DeepSeek-V4.1-Flash or Nemotron 3 Nano (30B A3B)?

DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to 21.0. DeepSeek-V4.1-Flash is made by DeepSeek and Nemotron 3 Nano (30B A3B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-V4.1-Flash compare to Nemotron 3 Nano (30B A3B) in benchmarks?

DeepSeek-V4.1-Flash scores CodeForces: 100.0%, GPQA: 90.9%, Terminal-Bench 2.1: 90.6%, BabyVision: 89.6%, CyberGym: 88.1%. Nemotron 3 Nano (30B A3B) scores AIME 2025: 99.2%, WMT24++: 86.2%, MMLU-Pro: 78.3%, GPQA: 75.0%, LiveCodeBench v6: 68.3%.

Is DeepSeek-V4.1-Flash cheaper than Nemotron 3 Nano (30B A3B)?

Nemotron 3 Nano (30B A3B) is 4.4x cheaper for input tokens. DeepSeek-V4.1-Flash costs $0.22/M input and $0.66/M output via fireworks. Nemotron 3 Nano (30B A3B) costs $0.05/M input and $0.20/M output via deepinfra.

What are the context window sizes for DeepSeek-V4.1-Flash and Nemotron 3 Nano (30B A3B)?

DeepSeek-V4.1-Flash supports 1.0M tokens and Nemotron 3 Nano (30B A3B) supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4.1-Flash and Nemotron 3 Nano (30B A3B)?

Key differences include LLM Stats Score (51.8 vs 21.0), context window (1.0M vs 262K), input pricing ($0.22 vs $0.05/M), multimodal support (yes vs no), licensing (MIT vs NVIDIA Open Model License Agreement ). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash and Nemotron 3 Nano (30B A3B)?

DeepSeek-V4.1-Flash is developed by DeepSeek and Nemotron 3 Nano (30B A3B) is developed by NVIDIA.

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