What is the difference between DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free)?

DeepSeek V4.1 Flash is developed by DeepSeek while NVIDIA Nemotron 3 Super (free) is developed by NVIDIA. DeepSeek V4.1 Flash has a 1.0M token context window vs NVIDIA Nemotron 3 Super (free)'s 262K. 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 3 Super (free)?

It depends on your use case. DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free) 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 can I compare DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free) on Rival?

This page shows a side-by-side comparison of DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free) 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 3 Super (free)

DeepSeek V4.1 Flash has a larger context window than NVIDIA Nemotron 3 Super (free) (1.0M tokens vs 262K tokens).

DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free) compared across 6 shared prompts
Spec	DeepSeek V4.1 Flash	NVIDIA Nemotron 3 Super (free)
Input price	$0.15/M tokens	—
Output price	$0.6/M tokens	—
Context window	1.0M tokens	262K tokens
Weights	Open	Open
Free API (OpenRouter)	No	Yes (1 provider)
Released	Sep 2026	Mar 2026

Our Verdict

DeepSeek V4.1 Flash

NVIDIA Nemotron 3 Super (free)Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash

Input

$0.15

Output

$0.60

NVIDIA Nemotron 3 Super (free)

Input

—

Output

—

Where to run it

24 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 3 Super (free)1 host

HostInOutContextUptime

NVIDIA$0 in$0 out262k97.1% up

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

Research

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Cost per 1M tokens

24 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free)?

Which is better, DeepSeek V4.1 Flash or NVIDIA Nemotron 3 Super (free)?

How can I compare DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free) on Rival?

More comparisons

Against the newest arrivals

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Cost per 1M tokens

24 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free)?

Which is better, DeepSeek V4.1 Flash or NVIDIA Nemotron 3 Super (free)?

How can I compare DeepSeek V4.1 Flash and NVIDIA Nemotron 3 Super (free) on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages