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  5. Laguna XS 2.1 (free)vsLlama 3.1 405B
Updated Jul 2026

Laguna XS 2.1 (free)vsLlama 3.1 405B

Laguna XS 2.1 (free) is cheaper than Llama 3.1 405B at $0/M vs $2.7/M input tokens.

Laguna XS 2.1 (free) and Llama 3.1 405B compared across 3 shared prompts
SpecLaguna XS 2.1 (free)Llama 3.1 405B
Input priceFree$2.7/M tokens
Output priceFree$3.1/M tokens
Context window262K tokens128K tokens
Weights—Open
Free API (OpenRouter)Yes (1 provider)No
ReleasedJul 2026Jul 2024
Our Verdict
Laguna XS 2.1 (free)
Laguna XS 2.1 (free)
Llama 3.1 405B
Llama 3.1 405B

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

Too close to call
API pricing

Cost per 1M tokens

Laguna XS 2.1 (free)
Input
$0.000
Output
$0.000
Llama 3.1 405B
Input
$2.70
Output
$3.10
Where to run it

1 host

Laguna XS 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp8$0 in·$0 out·262k·99.8% up
Llama 3.1 405B

No hosts listed on OpenRouter.

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

Research

What we learned reading every model

FAQ

Common questions

Laguna XS 2.1 (free) is developed by Poolside while Llama 3.1 405B is developed by Meta AI. Laguna XS 2.1 (free) has a 262K token context window vs Llama 3.1 405B's 128K. You can compare their actual outputs across 3 challenges on Rival to see how they differ in practice.

It depends on your use case. Laguna XS 2.1 (free) and Llama 3.1 405B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 3 challenges so you can judge which fits your needs best.

Laguna XS 2.1 (free) costs $0/M input tokens and Llama 3.1 405B costs $2.7/M input tokens. Laguna XS 2.1 (free) 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 Laguna XS 2.1 (free) and Llama 3.1 405B 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

Laguna XS 2.1 (free) logo
Laguna XS 2.1 (free)11 outputs, specs and price
Llama 3.1 405B logo
Llama 3.1 405B12 outputs, specs and price
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