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  5. Llama 3.1 405BvsQwen3.7 Plus
Updated May 2026

Llama 3.1 405BvsQwen3.7 Plus

Qwen3.7 Plus is cheaper than Llama 3.1 405B at $0.4/M vs $2.7/M input tokens.

Llama 3.1 405B and Qwen3.7 Plus compared across 12 shared prompts
SpecLlama 3.1 405BQwen3.7 Plus
Input price$2.7/M tokens$0.4/M tokens
Output price$3.1/M tokens$1.6/M tokens
Context window128K tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedJul 2024May 2026
Our Verdict
Llama 3.1 405B
Llama 3.1 405B
Qwen3.7 Plus
Qwen3.7 Plus

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
Qwen3.7 Plus
Input
$0.40
6.8× cheaper
Output
$1.60
1.9× cheaper

Qwen3.7 Plus is cheaper on both: 6.8× input, 1.9× output.

Where to run it

1 host

Llama 3.1 405B

No hosts listed on OpenRouter.

Qwen3.7 Plus1 host
HostInOutContextUptime
Alibaba Cloud$0.32 in·$1.28 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Writing DNA

Style Comparison

Similarity
60%

Qwen3.7 Plus uses 409.7x more bold

Llama 3.1 405B
Qwen3.7 Plus
55%Vocabulary54%
15wSentence Length18w
0.41Hedging0.22
0.0Bold4.1
1.9Lists2.6
0.03Emoji0.17
0.00Headings0.62
0.16Transitions0.20
Based on 5 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Llama 3.1 405B is developed by Meta AI while Qwen3.7 Plus is developed by Qwen. Llama 3.1 405B has a 128K token context window vs Qwen3.7 Plus's 1.0M. 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 Qwen3.7 Plus 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 Qwen3.7 Plus costs $0.4/M input tokens. Qwen3.7 Plus is $2.30/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 Qwen3.7 Plus 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

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Same lab, same size, long tail

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Model pages

Llama 3.1 405B logo
Llama 3.1 405B12 outputs, specs and price
Qwen3.7 Plus logo
Qwen3.7 Plus58 outputs, specs and price
Rival
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