What is the difference between DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2?

DeepSeek V4.1 Flash is developed by DeepSeek while NVIDIA Nemotron Nano 9B V2 is developed by NVIDIA. DeepSeek V4.1 Flash has a 1.0M token context window vs NVIDIA Nemotron Nano 9B V2's 131K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4.1 Flash or NVIDIA Nemotron Nano 9B V2?

It depends on your use case. DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How much does DeepSeek V4.1 Flash cost compared to NVIDIA Nemotron Nano 9B V2?

DeepSeek V4.1 Flash costs $0.15/M input tokens and NVIDIA Nemotron Nano 9B V2 costs $0.04/M input tokens. NVIDIA Nemotron Nano 9B V2 is $0.11/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2 on Rival?

This page shows a side-by-side comparison of DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Sep 2026

DeepSeek V4.1 FlashvsNVIDIA Nemotron Nano 9B V2

NVIDIA Nemotron Nano 9B V2 is cheaper than DeepSeek V4.1 Flash at $0.04/M vs $0.15/M input tokens.

DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2 compared across 6 shared prompts
Spec	DeepSeek V4.1 Flash	NVIDIA Nemotron Nano 9B V2
Input price	$0.15/M tokens	$0.04/M tokens
Output price	$0.6/M tokens	$0.16/M tokens
Context window	1.0M tokens	131K tokens
Weights	Open	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Sep 2025

Our Verdict

DeepSeek V4.1 Flash

NVIDIA Nemotron Nano 9B V2Runner-up

Not enough votes to call it. On the specs, DeepSeek V4.1 Flash has the edge: bigger model tier, newer, bigger context window, major provider backing.

NVIDIA Nemotron Nano 9B V2 costs 3.8x less per token.

Slight edge

API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash

Input

$0.15

Output

$0.60

NVIDIA Nemotron Nano 9B V2

Input

$0.04

3.8× cheaper

Output

$0.16

3.8× cheaper

NVIDIA Nemotron Nano 9B V2 is cheaper on both: 3.8× input, 3.8× output.

Where to run it

23 hosts, cheapest first

DeepSeek V4.1 Flash23 hosts

HostInOutContextUptime

OpenInferencefp4$0.10 in$0.50 out1M99.5% up Wafer$0.12 in$0.60 out1M99.7% up Relacefp4$0.12 in$0.52 out1M99.9% up Morph$0.13 in$0.51 out1M98.4% up Sail Researchfp4$0.13 in$0.75 out1M99.9% up DeepInfrafp8$0.14 in$0.42 out1M99.7% up

17 more hosts

StreamLakefp8$0.15 in$0.60 out1M99.5% up CoreWeavefp8$0.20 in$0.65 out1M99.2% up Fireworks$0.22 in$0.66 out1M98.8% up Phala$0.28 in$1.10 out1M99.4% up GMI Cloudfp8$0.28 in$1.14 out1M99.6% up Novitafp8$0.28 in$1.14 out1M100% up Alibaba Cloud$0.30 in$1.20 out1M99.9% up AtlasCloudfp8$0.30 in$1.20 out1M99.7% up Basetenfp8$0.30 in$1.20 out1M99.4% up DeepSeek$0.30 in$1.20 out1M100% up DigitalOcean$0.30 in$1.20 out1M97.9% up Makora$0.30 in$1.20 out1M98.9% up Modal$0.30 in$1.20 out1M99.8% up SiliconFlowfp8$0.30 in$1.20 out1M99.8% up Together$0.30 in$1.20 out1M99.9% up Venicefp8$0.38 in$1.50 out1M96.7% up Parasailfp8degraded$0.30 in$1.20 out1M93% up

NVIDIA Nemotron Nano 9B V2

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

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FAQ

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Cost per 1M tokens

23 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2?

Which is better, DeepSeek V4.1 Flash or NVIDIA Nemotron Nano 9B V2?

How much does DeepSeek V4.1 Flash cost compared to NVIDIA Nemotron Nano 9B V2?

How can I compare DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

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Cost per 1M tokens

23 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2?

Which is better, DeepSeek V4.1 Flash or NVIDIA Nemotron Nano 9B V2?

How much does DeepSeek V4.1 Flash cost compared to NVIDIA Nemotron Nano 9B V2?

How can I compare DeepSeek V4.1 Flash and NVIDIA Nemotron Nano 9B V2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages