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  5. DeepSeek V4.1 FlashvsNemotron 3.5 Content Safety
Updated Sep 2026

DeepSeek V4.1 FlashvsNemotron 3.5 Content Safety

Nemotron 3.5 Content Safety is cheaper than DeepSeek V4.1 Flash at $0/M vs $0.15/M input tokens.

DeepSeek V4.1 Flash and Nemotron 3.5 Content Safety compared across 6 shared prompts
SpecDeepSeek V4.1 FlashNemotron 3.5 Content Safety
Input price$0.15/M tokensFree
Output price$0.6/M tokensFree
Context window1.0M tokens128K tokens
WeightsOpenOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedSep 2026Jun 2026
Our Verdict
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
Nemotron 3.5 Content Safety
Nemotron 3.5 Content SafetyRunner-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.

Slight edge
API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash
Input
$0.15
Output
$0.60
Nemotron 3.5 Content Safety
Input
$0.000
Output
$0.000
Where to run it

24 hosts, cheapest first

DeepSeek V4.1 Flash23 hosts
HostInOutContextUptime
OOpenInferencefp4$0.10 in·$0.50 out·1M·99.5% upWWafer$0.12 in·$0.60 out·1M·99.7% upRRelacefp4$0.12 in·$0.52 out·1M·99.9% upMMorph$0.13 in·$0.51 out·1M·98.4% upSSail Researchfp4$0.13 in·$0.75 out·1M·99.9% upDDeepInfrafp8$0.14 in·$0.42 out·1M·99.7% up
17 more hostsFewer hosts
SStreamLakefp8$0.15 in·$0.60 out·1M·99.5% upCCoreWeavefp8$0.20 in·$0.65 out·1M·99.2% upFFireworks$0.22 in·$0.66 out·1M·98.8% upPPhala$0.28 in·$1.10 out·1M·99.4% upGGMI Cloudfp8$0.28 in·$1.14 out·1M·99.6% upNNovitafp8$0.28 in·$1.14 out·1M·100% upAlibaba Cloud$0.30 in·$1.20 out·1M·99.9% upAAtlasCloudfp8$0.30 in·$1.20 out·1M·99.7% upBBasetenfp8$0.30 in·$1.20 out·1M·99.4% upDeepSeek$0.30 in·$1.20 out·1M·100% upDDigitalOcean$0.30 in·$1.20 out·1M·97.9% upMMakora$0.30 in·$1.20 out·1M·98.9% upModal$0.30 in·$1.20 out·1M·99.8% upSSiliconFlowfp8$0.30 in·$1.20 out·1M·99.8% upTTogether$0.30 in·$1.20 out·1M·99.9% upVVenicefp8$0.38 in·$1.50 out·1M·96.7% upPParasailfp8degraded$0.30 in·$1.20 out·1M·93% up
Nemotron 3.5 Content Safety1 host
HostInOutContextUptime
NVIDIAdegraded$0 in·$0 out·128k·95.1% up

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

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4.1 Flash is developed by DeepSeek while Nemotron 3.5 Content Safety is developed by NVIDIA. DeepSeek V4.1 Flash has a 1.0M token context window vs Nemotron 3.5 Content Safety's 128K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4.1 Flash and Nemotron 3.5 Content Safety 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.

DeepSeek V4.1 Flash costs $0.15/M input tokens and Nemotron 3.5 Content Safety costs $0/M input tokens. Nemotron 3.5 Content Safety is $0.15/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of DeepSeek V4.1 Flash and Nemotron 3.5 Content Safety 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.

Keep exploring

More comparisons

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Same lab, same size, long tail

DeepSeek V4.1 Flash logoDeepSeek V4 Pro 0813 logo
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DeepSeek V4.1 Flash vs DeepSeek V4 Flash 0731Same lab
Nemotron 3.5 Content Safety logoNemotron 3 Nano Omni (free) logo
Nemotron 3.5 Content Safety vs Nemotron 3 Nano Omni (free)Same lab
Nemotron 3.5 Content Safety logoNemotron 3.5 Lightning logo
Nemotron 3.5 Content Safety vs Nemotron 3.5 LightningSame lab
DeepSeek V4.1 Flash logoGrok 3 Beta logo
DeepSeek V4.1 Flash vs Grok 3 BetaNew provider
Nemotron 3.5 Content Safety logoGrok 3 Mini Beta logo
Nemotron 3.5 Content Safety vs Grok 3 Mini BetaSame size
Nemotron 3.5 Content Safety logoGrok 3 Thinking logo
Nemotron 3.5 Content Safety vs Grok 3 ThinkingNew provider
Nemotron 3.5 Content Safety logoGrok 4 logo
Nemotron 3.5 Content Safety vs Grok 4New provider

Model pages

DeepSeek V4.1 Flash logo
DeepSeek V4.1 Flash6 outputs, specs and price
Nemotron 3.5 Content Safety logo
Nemotron 3.5 Content Safety58 outputs, specs and price
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