What is the difference between Llama 3.1 405B and Qwen3.6 35B A3B?

Llama 3.1 405B is developed by Meta AI while Qwen3.6 35B A3B is developed by Qwen. Llama 3.1 405B has a 128K token context window vs Qwen3.6 35B A3B's 262K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Llama 3.1 405B or Qwen3.6 35B A3B?

It depends on your use case. Llama 3.1 405B and Qwen3.6 35B 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.

How much does Llama 3.1 405B cost compared to Qwen3.6 35B A3B?

Llama 3.1 405B costs $2.7/M input tokens and Qwen3.6 35B A3B costs $0.1612/M input tokens. Qwen3.6 35B A3B is $2.54/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Llama 3.1 405B and Qwen3.6 35B A3B on Rival?

This page shows a side-by-side comparison of Llama 3.1 405B and Qwen3.6 35B 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.

Updated Apr 2026

Llama 3.1 405BvsQwen3.6 35B A3B

Qwen3.6 35B A3B is cheaper than Llama 3.1 405B at $0.1612/M vs $2.7/M input tokens.

Llama 3.1 405B and Qwen3.6 35B A3B compared across 12 shared prompts
Spec	Llama 3.1 405B	Qwen3.6 35B A3B
Input price	$2.7/M tokens	$0.1612/M tokens
Output price	$3.1/M tokens	$0.9653/M tokens
Context window	128K tokens	262K tokens
Weights	Open	Open
Free API (OpenRouter)	No	No
Released	Jul 2024	Apr 2026

Our Verdict

Llama 3.1 405B

Qwen3.6 35B A3B

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

Qwen3.6 35B A3B costs 3.2x less per token.

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

Qwen3.6 35B A3B

Input

$0.16

17× cheaper

Output

$0.97

3.2× cheaper

Qwen3.6 35B A3B is cheaper on both: 17× input, 3.2× output.

Where to run it

11 hosts, cheapest first

Llama 3.1 405B

No hosts listed on OpenRouter.

Qwen3.6 35B A3B11 hosts

HostInOutContextUptime

Darkbloomfp4$0.05 in$0.70 out262k99.3% up AkashMLfp8$0.10 in$0.90 out262k100% up DeepInfrafp8$0.10 in$0.95 out262k99.2% up DekaLLM$0.10 in$1.00 out262k99.9% up Venicefp8$0.10 in$1.00 out256k99.7% up io.netfp8$0.13 in$0.94 out262k91.6% up

5 more hosts

Parasailfp8$0.15 in$1.00 out262k99.6% up AtlasCloudfp8$0.19 in$1.11 out262k96.4% up Phala$0.20 in$1.27 out262k98.8% up SiliconFlowfp8$0.24 in$1.80 out262k97.4% up CoreWeavefp8$0.25 in$1.25 out262k100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity

52%

Qwen3.6 35B A3B uses 491.6x more bold

Llama 3.1 405B

Qwen3.6 35B A3B

55%Vocabulary59%

15wSentence Length15w

0.41Hedging0.31

0.0Bold4.9

1.9Lists2.7

0.03Emoji1.60

0.00Headings0.75

0.16Transitions0.05

Based on 5 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

11 hosts, cheapest first

Style Comparison

What we learned reading every model

Common questions

What is the difference between Llama 3.1 405B and Qwen3.6 35B A3B?

Which is better, Llama 3.1 405B or Qwen3.6 35B A3B?

How much does Llama 3.1 405B cost compared to Qwen3.6 35B A3B?

How can I compare Llama 3.1 405B and Qwen3.6 35B A3B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

11 hosts, cheapest first

Style Comparison

What we learned reading every model

Common questions

What is the difference between Llama 3.1 405B and Qwen3.6 35B A3B?

Which is better, Llama 3.1 405B or Qwen3.6 35B A3B?

How much does Llama 3.1 405B cost compared to Qwen3.6 35B A3B?

How can I compare Llama 3.1 405B and Qwen3.6 35B A3B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages