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  5. Laguna S 2.1 (free)vsQwen Plus 0728 (thinking)
Updated Jul 2026

Laguna S 2.1 (free)vsQwen Plus 0728 (thinking)

Laguna S 2.1 (free) is cheaper than Qwen Plus 0728 (thinking) at $0/M vs $0.4/M input tokens.

Laguna S 2.1 (free) and Qwen Plus 0728 (thinking) compared across 9 shared prompts
SpecLaguna S 2.1 (free)Qwen Plus 0728 (thinking)
Input priceFree$0.4/M tokens
Output priceFree$4/M tokens
Context window262K tokens1.0M tokens
Free API (OpenRouter)Yes (1 provider)No
ReleasedJul 2026Sep 2025
Side by side

Same prompt, both answers

Opening lines from 2 of the 9 prompts both answered. Formatting stripped, words untouched.

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Laguna S 2.1 (free)1,140 words
Comprehensive 3-Month Longevity Optimization Plan Phase 1: Foundation & Assessment (Month 1) Week 1-2: Baseline Establishment Comprehensive Health Testing Complete blood panel (CBC, CMP, lipid panel, inflammatory markers: hs-CRP, IL-6) Hormone panel (testosterone, estrogen, DHEA, cortisol, thyroid panel) Genetic…
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Qwen Plus 0728 (thinking)1,641 words
The Quantum Leap Longevity Protocol: A 3-Month Biohacker's Blueprint for Peak Longevity & Performance Core Philosophy: This plan integrates precision, personalization, and phased adaptation – not just stacking interventions.
Read the full answer

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
Qwen Plus 0728 (thinking)1,727 words
Below is a comprehensive analysis of the problematic clauses in this agreement from the contractor's perspective, along with specific, legally reasoned modifications.
Read the full answer
Our Verdict
Laguna S 2.1 (free)
Laguna S 2.1 (free)
Qwen Plus 0728 (thinking)
Qwen Plus 0728 (thinking)

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

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Laguna S 2.1 (free)
Input
$0.000
Output
$0.000
Qwen Plus 0728 (thinking)
Input
$0.40
Output
$4.00
Where to run it

1 host

Laguna S 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp4$0 in·$0 out·262k·100% up
Qwen Plus 0728 (thinking)

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 S 2.1 (free) is developed by Poolside while Qwen Plus 0728 (thinking) is developed by Qwen. Laguna S 2.1 (free) has a 262K token context window vs Qwen Plus 0728 (thinking)'s 1.0M. You can compare their actual outputs across 9 challenges on Rival to see how they differ in practice.

It depends on your use case. Laguna S 2.1 (free) and Qwen Plus 0728 (thinking) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 9 challenges so you can judge which fits your needs best.

Laguna S 2.1 (free) costs $0/M input tokens and Qwen Plus 0728 (thinking) costs $0.4/M input tokens. Laguna S 2.1 (free) is $0.40/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 Qwen Plus 0728 (thinking) 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
Qwen Plus 0728 (thinking) logo
Qwen Plus 0728 (thinking)37 outputs, specs and price
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