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  5. Gemini 1.5 ProvsLaguna XS 2.1 (free)
Updated Jul 2026

Gemini 1.5 ProvsLaguna XS 2.1 (free)

Laguna XS 2.1 (free) is cheaper than Gemini 1.5 Pro at $0/M vs $3.5/M input tokens.

Gemini 1.5 Pro and Laguna XS 2.1 (free) compared across 1 shared prompts
SpecGemini 1.5 ProLaguna XS 2.1 (free)
Input price$3.5/M tokensFree
Output price$10.5/M tokensFree
Context window1.0M tokens262K tokens
Free API (OpenRouter)NoYes (1 provider)
ReleasedFeb 2024Jul 2026
Our Verdict
Gemini 1.5 Pro
Gemini 1.5 Pro
Laguna XS 2.1 (free)
Laguna XS 2.1 (free)

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

Too close to call
API pricing

Cost per 1M tokens

Gemini 1.5 Pro
Input
$3.50
Output
$10.50
Laguna XS 2.1 (free)
Input
$0.000
Output
$0.000
Where to run it

1 host

Gemini 1.5 Pro

No hosts listed on OpenRouter.

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

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

Research

What we learned reading every model

FAQ

Common questions

Gemini 1.5 Pro is developed by Google AI while Laguna XS 2.1 (free) is developed by Poolside. Gemini 1.5 Pro has a 1.0M token context window vs Laguna XS 2.1 (free)'s 262K. You can compare their actual outputs across 1 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemini 1.5 Pro and Laguna XS 2.1 (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 1 challenges so you can judge which fits your needs best.

Gemini 1.5 Pro costs $3.5/M input tokens and Laguna XS 2.1 (free) costs $0/M input tokens. Laguna XS 2.1 (free) is $3.50/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 Gemini 1.5 Pro and Laguna XS 2.1 (free) 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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