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  5. Llama 3.1 405BvsQwen3 30B A3B
Updated Apr 2025

Llama 3.1 405BvsQwen3 30B A3B

Qwen3 30B A3B is cheaper than Llama 3.1 405B at $0/M vs $2.7/M input tokens.

Llama 3.1 405B and Qwen3 30B A3B compared across 12 shared prompts
SpecLlama 3.1 405BQwen3 30B A3B
Input price$2.7/M tokensFree
Output price$3.1/M tokensFree
Context window128K tokens41K tokens
Parameters405B30.5B (3.3B Active MoE)
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedJul 2024Apr 2025
Our Verdict
Llama 3.1 405B
Llama 3.1 405B
Qwen3 30B A3B
Qwen3 30B A3BRunner-up

Not enough votes to call it. On the specs, Llama 3.1 405B has the edge: bigger model tier, bigger context window, 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
Qwen3 30B A3B
Input
$0.000
Output
$0.000
Where to run it

2 hosts, cheapest first

Llama 3.1 405B

No hosts listed on OpenRouter.

Qwen3 30B A3B2 hosts
HostInOutContextUptime
DDeepInfrafp8$0.12 in·$0.50 out·41k·99.9% upAlibaba Cloud$0.13 in·$0.52 out·131k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 20 Sep 2026.

Writing DNA

Style Comparison

Similarity
34%

Qwen3 30B A3B uses 692.4x more bold

Llama 3.1 405B
Qwen3 30B A3B
55%Vocabulary56%
15wSentence Length17w
0.41Hedging0.67
0.0Bold6.9
1.9Lists3.9
0.03Emoji0.43
0.00Headings0.87
0.16Transitions0.14
Based on 5 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

Llama 3.1 405B is developed by Meta AI while Qwen3 30B A3B is developed by Qwen. Llama 3.1 405B has a 128K token context window vs Qwen3 30B A3B's 41K. 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 30B A3B 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 30B A3B costs $0/M input tokens. Qwen3 30B A3B 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 Qwen3 30B A3B 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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Model pages

Llama 3.1 405B logo
Llama 3.1 405B12 outputs, specs and price
Qwen3 30B A3B logo
Qwen3 30B A3B59 outputs, specs and price
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