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  5. Llama 3.1 405BvsAmazon Nova 2 Lite
Updated Dec 2025

Llama 3.1 405BvsAmazon Nova 2 Lite

Amazon Nova 2 Lite is cheaper than Llama 3.1 405B at $0.5/M vs $2.7/M input tokens.

Llama 3.1 405B and Amazon Nova 2 Lite compared across 7 shared prompts
SpecLlama 3.1 405BAmazon Nova 2 Lite
Input price$2.7/M tokens$0.5/M tokens
Output price$3.1/M tokens$1.5/M tokens
Context window128K tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedJul 2024Dec 2025
Our Verdict
Llama 3.1 405B
Llama 3.1 405B
Amazon Nova 2 Lite
Amazon Nova 2 Lite

Not enough votes to call it. On the specs, nothing separates them.

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
Amazon Nova 2 Lite
Input
$0.50
5.4× cheaper
Output
$1.50
2.1× cheaper

Amazon Nova 2 Lite is cheaper on both: 5.4× input, 2.1× output.

Where to run it

1 host

Llama 3.1 405B

No hosts listed on OpenRouter.

Amazon Nova 2 Lite1 host
HostInOutContextUptime
Amazon Bedrock$0.30 in·$2.50 out·1M·99.7% up

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

Writing DNA

Style Comparison

Similarity
34%

Amazon Nova 2 Lite uses 864.0x more bold

Llama 3.1 405B
Amazon Nova 2 Lite
55%Vocabulary55%
15wSentence Length17w
0.41Hedging0.38
0.0Bold8.6
1.9Lists3.9
0.03Emoji0.59
0.00Headings1.48
0.16Transitions0.12
Based on 5 + 14 text responses
Research

What we learned reading every model

FAQ

Common questions

Llama 3.1 405B is developed by Meta AI while Amazon Nova 2 Lite is developed by Amazon. Llama 3.1 405B has a 128K token context window vs Amazon Nova 2 Lite's 1.0M. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

It depends on your use case. Llama 3.1 405B and Amazon Nova 2 Lite each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.

Llama 3.1 405B costs $2.7/M input tokens and Amazon Nova 2 Lite costs $0.5/M input tokens. Amazon Nova 2 Lite is $2.20/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 Amazon Nova 2 Lite 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.

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Model pages

Llama 3.1 405B logo
Llama 3.1 405B12 outputs, specs and price
Amazon Nova 2 Lite logo
Amazon Nova 2 Lite35 outputs, specs and price
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