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  5. Llama 3.1 405BvsNemotron 3.5 Content Safety
Updated Jun 2026

Llama 3.1 405BvsNemotron 3.5 Content Safety

Nemotron 3.5 Content Safety is cheaper than Llama 3.1 405B at $0/M vs $2.7/M input tokens.

Llama 3.1 405B and Nemotron 3.5 Content Safety compared across 12 shared prompts
SpecLlama 3.1 405BNemotron 3.5 Content Safety
Input price$2.7/M tokensFree
Output price$3.1/M tokensFree
Context window128K tokens128K tokens
WeightsOpenOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedJul 2024Jun 2026
Our Verdict
Llama 3.1 405B
Llama 3.1 405B
Nemotron 3.5 Content Safety
Nemotron 3.5 Content SafetyRunner-up

Not enough votes to call it. On the specs, Llama 3.1 405B has the edge: bigger model tier, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Llama 3.1 405B
Input
$2.70
Output
$3.10
Nemotron 3.5 Content Safety
Input
$0.000
Output
$0.000
Where to run it

1 host

Llama 3.1 405B

No hosts listed on OpenRouter.

Nemotron 3.5 Content Safety1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·128k·97% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Llama 3.1 405B is developed by Meta AI while Nemotron 3.5 Content Safety is developed by NVIDIA. Llama 3.1 405B has a 128K token context window vs Nemotron 3.5 Content Safety's 128K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

It depends on your use case. Llama 3.1 405B and Nemotron 3.5 Content Safety each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

Llama 3.1 405B costs $2.7/M input tokens and Nemotron 3.5 Content Safety costs $0/M input tokens. Nemotron 3.5 Content Safety is $2.70/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 Llama 3.1 405B 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

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Nemotron 3.5 Content Safety vs Nemotron 3.5 LightningSame lab
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Nemotron 3.5 Content Safety vs Nemotron 3 UltraSame lab
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Model pages

Llama 3.1 405B logo
Llama 3.1 405B12 outputs, specs and price
Nemotron 3.5 Content Safety logo
Nemotron 3.5 Content Safety58 outputs, specs and price
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