What is the difference between Laguna S 2.1 (free) and Ling 3.0 Flash?

Laguna S 2.1 (free) is developed by Poolside while Ling 3.0 Flash is developed by inclusionAI. Laguna S 2.1 (free) has a 262K token context window vs Ling 3.0 Flash's 262K. You can compare their actual outputs across 8 challenges on Rival to see how they differ in practice.

Which is better, Laguna S 2.1 (free) or Ling 3.0 Flash?

It depends on your use case. Laguna S 2.1 (free) and Ling 3.0 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 8 challenges so you can judge which fits your needs best.

How much does Laguna S 2.1 (free) cost compared to Ling 3.0 Flash?

Laguna S 2.1 (free) costs $0/M input tokens and Ling 3.0 Flash costs $0.021/M input tokens. Laguna S 2.1 (free) is $0.02/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Laguna S 2.1 (free) and Ling 3.0 Flash on Rival?

This page shows a side-by-side comparison of Laguna S 2.1 (free) and Ling 3.0 Flash 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.

Updated Jul 2026

Laguna S 2.1 (free)vsLing 3.0 Flash

Laguna S 2.1 (free) is cheaper than Ling 3.0 Flash at $0/M vs $0.021/M input tokens.

Laguna S 2.1 (free) and Ling 3.0 Flash compared across 8 shared prompts
Spec	Laguna S 2.1 (free)	Ling 3.0 Flash
Input price	Free	$0.021/M tokens
Output price	Free	$0.063/M tokens
Context window	262K tokens	262K tokens
Weights	—	Open
Free API (OpenRouter)	Yes (1 provider)	No
Released	Jul 2026	Jul 2026

Side by side

Same prompt, both answers

Opening lines from 3 of the 8 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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Ling 3.0 Flash2,901 words

🧬 THE 90-DAY LONGEVITY OPTIMIZATION BLUEPRINT A Comprehensive Biohacking Protocol for Cellular Renewal, Cognitive Enhancement & Vitality Disclaimer: This protocol is for educational and informational purposes only. Many compounds listed (rapamycin, metformin, etc.) require physician supervision and prescription.

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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…

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Ling 3.0 Flash2,036 words

Contract Analysis: Exploitative Clauses & Recommended Modifications Clause-by-Clause Analysis SCOPE — Unilateral Modification Without Compensation The Problem: Client can modify the scope at any time and for any reason without paying Contractor for the additional work.

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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

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Ling 3.0 Flash8 words

The Legend of Zelda: Breath of the Wild

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Our Verdict

Ling 3.0 Flash

Laguna S 2.1 (free)Runner-up

Not enough votes to call it. On the specs, Ling 3.0 Flash has the edge: bigger model tier.

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

Ling 3.0 Flash

Input

$0.02

Output

$0.06

Where to run it

3 hosts, cheapest first

Laguna S 2.1 (free)1 host

HostInOutContextUptime

Poolsidefp4$0 in$0 out262k100% up

Ling 3.0 Flash2 hosts

HostInOutContextUptime

Novita$0.02 in$0.06 out262k100% up DeepInfrabf16$0.06 in$0.18 out131k99.7% up

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

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Same prompt, both answers

Advanced Longevity Plan (Biohacker)

Adversarial Contract Review

Favorite Game

Cost per 1M tokens

3 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Laguna S 2.1 (free) and Ling 3.0 Flash?

Which is better, Laguna S 2.1 (free) or Ling 3.0 Flash?

How much does Laguna S 2.1 (free) cost compared to Ling 3.0 Flash?

How can I compare Laguna S 2.1 (free) and Ling 3.0 Flash on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Same prompt, both answers

Advanced Longevity Plan (Biohacker)

Adversarial Contract Review

Favorite Game

Cost per 1M tokens

3 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Laguna S 2.1 (free) and Ling 3.0 Flash?

Which is better, Laguna S 2.1 (free) or Ling 3.0 Flash?

How much does Laguna S 2.1 (free) cost compared to Ling 3.0 Flash?

How can I compare Laguna S 2.1 (free) and Ling 3.0 Flash on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages