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  5. Llama 3.1 405BvsMiMo-V2.6-Pro
Updated Sep 2026

Llama 3.1 405BvsMiMo-V2.6-Pro

MiMo-V2.6-Pro is cheaper than Llama 3.1 405B at $0.435/M vs $2.7/M input tokens.

Llama 3.1 405B and MiMo-V2.6-Pro compared across 5 shared prompts
SpecLlama 3.1 405BMiMo-V2.6-Pro
Input price$2.7/M tokens$0.435/M tokens
Output price$3.1/M tokens$0.87/M tokens
Context window128K tokens1.0M tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedJul 2024Sep 2026
Our Verdict
Llama 3.1 405B
Llama 3.1 405B
MiMo-V2.6-Pro
MiMo-V2.6-Pro

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

MiMo-V2.6-Pro costs 3.6x less per token.

Too close to call
API pricing

Cost per 1M tokens

Llama 3.1 405B
Input
$2.70
Output
$3.10
MiMo-V2.6-Pro
Input
$0.43
6.2× cheaper
Output
$0.87
3.6× cheaper

MiMo-V2.6-Pro is cheaper on both: 6.2× input, 3.6× output.

Where to run it

2 hosts

Llama 3.1 405B

No hosts listed on OpenRouter.

MiMo-V2.6-Pro2 hosts
HostInOutContextUptime
DDeepInfrafp8$0.43 in·$0.87 out·1M·99.2% upXiaomifp8$0.43 in·$0.87 out·1M·100% up

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

Research

What we learned reading every model

FAQ

Common questions

Llama 3.1 405B is developed by Meta AI while MiMo-V2.6-Pro is developed by Xiaomi. Llama 3.1 405B has a 128K token context window vs MiMo-V2.6-Pro's 1.0M. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

It depends on your use case. Llama 3.1 405B and MiMo-V2.6-Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

Llama 3.1 405B costs $2.7/M input tokens and MiMo-V2.6-Pro costs $0.435/M input tokens. MiMo-V2.6-Pro is $2.27/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 MiMo-V2.6-Pro 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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MiMo-V2.6-Pro vs MiMo-V2.5Same lab
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Model pages

Llama 3.1 405B logo
Llama 3.1 405B12 outputs, specs and price
MiMo-V2.6-Pro logo
MiMo-V2.6-Pro9 outputs, specs and price
Rival
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