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  5. Laguna XS 2.1 (free)vsOpenAI o4-mini
Updated Jul 2026

Laguna XS 2.1 (free)vsOpenAI o4-mini

Laguna XS 2.1 (free) is cheaper than OpenAI o4-mini at $0/M vs $1.1/M input tokens.

Laguna XS 2.1 (free) and OpenAI o4-mini compared across 11 shared prompts
SpecLaguna XS 2.1 (free)OpenAI o4-mini
Input priceFree$1.1/M tokens
Output priceFree$4.4/M tokens
Context window262K tokens—
Weights—Closed
Free API (OpenRouter)Yes (1 provider)No
ReleasedJul 2026Apr 2025
Our Verdict
Laguna XS 2.1 (free)
Laguna XS 2.1 (free)
OpenAI o4-mini
OpenAI o4-miniRunner-up

Not enough votes to call it. On the specs, Laguna XS 2.1 (free) has the edge: bigger model tier, newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Laguna XS 2.1 (free)
Input
$0.000
Output
$0.000
OpenAI o4-mini
Input
$1.10
Output
$4.40
Where to run it

2 hosts

Laguna XS 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp8$0 in·$0 out·262k·99.8% up
OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

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 OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.

It depends on your use case. Laguna XS 2.1 (free) and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 11 challenges so you can judge which fits your needs best.

Laguna XS 2.1 (free) costs $0/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. Laguna XS 2.1 (free) is $1.10/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 OpenAI o4-mini 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
OpenAI o4-mini logo
OpenAI o4-mini59 outputs, specs and price
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