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  5. Laguna S 2.1 (free)vsNex-N2.5-Pro (free)
Updated Sep 2026

Laguna S 2.1 (free)vsNex-N2.5-Pro (free)

Nex-N2.5-Pro (free) is the newer model, released after Laguna S 2.1 (free).

Laguna S 2.1 (free) and Nex-N2.5-Pro (free) compared across 6 shared prompts
SpecLaguna S 2.1 (free)Nex-N2.5-Pro (free)
Input priceFreeFree
Output priceFreeFree
Context window262K tokens262K tokens
Free API (OpenRouter)Yes (1 provider)Yes (1 provider)
ReleasedJul 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 2 of the 6 prompts both answered. Formatting stripped, words untouched.

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Laguna S 2.1 (free)275 words
I'll analyze each clause for potential exploitation against the contractor and suggest improvements. Exploitable Clauses & Recommended Modifications SCOPE CLAUSE Problem: "Client reserves the right to modify the scope at any time without additional compensation" Allows unlimited scope creep without extra pay No…
Read the full answer
Nex-N2.5-Pro (free)2,451 words
Below is a general contract-risk review, not legal advice. Enforceability depends heavily on jurisdiction, contractor classification, and the exact facts. Also, even if a clause might be unenforceable, relying on that is risky because litigation/arbitration is expensive.
Read the full answer

Favorite Game

I know you're an AI and don't truly have personal preferences, but if you had to pick one video game as your all-time favorite, which would…

Laguna S 2.1 (free)8 words
The Legend of Zelda Breath of the Wild
Read the full answer
Nex-N2.5-Pro (free)8 words
The Legend of Zelda Breath of the Wild
Read the full answer
Our Verdict
Laguna S 2.1 (free)
Laguna S 2.1 (free)
Nex-N2.5-Pro (free)
Nex-N2.5-Pro (free)

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

Too close to call
API pricing

Cost per 1M tokens

Laguna S 2.1 (free)
Input
$0.000
Output
$0.000
Nex-N2.5-Pro (free)
Input
$0.000
Output
$0.000
Where to run it

2 hosts

Laguna S 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp4$0 in·$0 out·262k·99.9% up
Nex-N2.5-Pro (free)1 host
HostInOutContextUptime
NNex AGIfp8$0 in·$0 out·262k·99.5% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Laguna S 2.1 (free) is developed by Poolside while Nex-N2.5-Pro (free) is developed by Nex AGI. Laguna S 2.1 (free) has a 262K token context window vs Nex-N2.5-Pro (free)'s 262K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

It depends on your use case. Laguna S 2.1 (free) and Nex-N2.5-Pro (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

Laguna S 2.1 (free) costs $0/M input tokens and Nex-N2.5-Pro (free) costs $0/M input tokens. Nex-N2.5-Pro (free) is $0.00/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 S 2.1 (free) and Nex-N2.5-Pro (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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Model pages

Laguna S 2.1 (free) logo
Laguna S 2.1 (free)10 outputs, specs and price
Nex-N2.5-Pro (free) logo
Nex-N2.5-Pro (free)14 outputs, specs and price
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