What is the difference between Laguna S 2.1 (free) and Mistral Small 4?

Laguna S 2.1 (free) is developed by Poolside while Mistral Small 4 is developed by Mistral AI. Laguna S 2.1 (free) has a 262K token context window vs Mistral Small 4's 262K. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

Which is better, Laguna S 2.1 (free) or Mistral Small 4?

It depends on your use case. Laguna S 2.1 (free) and Mistral Small 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

How much does Laguna S 2.1 (free) cost compared to Mistral Small 4?

Laguna S 2.1 (free) costs $0/M input tokens and Mistral Small 4 costs $0.15/M input tokens. Laguna S 2.1 (free) is $0.15/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 Mistral Small 4 on Rival?

This page shows a side-by-side comparison of Laguna S 2.1 (free) and Mistral Small 4 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)vsMistral Small 4

Laguna S 2.1 (free) is cheaper than Mistral Small 4 at $0/M vs $0.15/M input tokens.

Laguna S 2.1 (free) and Mistral Small 4 compared across 10 shared prompts
Spec	Laguna S 2.1 (free)	Mistral Small 4
Input price	Free	$0.15/M tokens
Output price	Free	$0.6/M tokens
Context window	262K tokens	262K tokens
Weights	—	Open
Free API (OpenRouter)	Yes (1 provider)	No
Released	Jul 2026	Mar 2026

Side by side

Same prompt, both answers

Opening lines from 4 of the 10 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…

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Mistral Small 41,392 words

This contract contains several highly unfavorable clauses for the contractor, including unilateral termination rights, broad liability exposure, perpetual IP assignment, and restrictive non-compete terms. Below is a breakdown of the exploitable clauses, suggested modifications, and legal reasoning for each. 1.

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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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Mistral Small 41,053 words

3-Month Cutting-Edge Longevity Biohacking Plan Objective: Maximize lifespan, healthspan, cognitive performance, and physical resilience through a data-driven, precision biohacking approach.

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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Laguna S 2.1 (free)910 words

INTERNAL INVESTMENT COMMITTEE MEMO 1. Recommendation & Thesis Recommendation: LONG 12-Month Price Target Range: $62 – $75/share Thesis: LedgerLift is a high-quality B2B SaaS platform with strong recurring revenue, exceptional unit economics, and durable customer retention.

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Mistral Small 4869 words

MEMORANDUM To: Investment Committee From: [Your Name] Date: [Today’s Date] Subject: LedgerLift (LLLT) – Long/Short Equity Opportunity 1. Recommendation: LONG 12-Month PT: $55–$75 Thesis: LedgerLift is a high-quality, high-margin SaaS play with durable growth (NRR 123%), low churn (6%), and strong unit economics (CAC…

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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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Mistral Small 48 words

The Legend of Zelda: Breath of the Wild

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Our Verdict

Laguna S 2.1 (free)

Mistral Small 4Runner-up

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

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

Mistral Small 4

Input

$0.15

Output

$0.60

Where to run it

2 hosts

Laguna S 2.1 (free)1 host

HostInOutContextUptime

Poolsidefp4$0 in$0 out262k100% up

Mistral Small 41 host

HostInOutContextUptime

Mistral$0.15 in$0.60 out262k100% up

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

Research

What we learned reading every model

FAQ

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More comparisons

Same prompt, both answers

Cost per 1M tokens

2 hosts

What we learned reading every model

Common questions

What is the difference between Laguna S 2.1 (free) and Mistral Small 4?

Which is better, Laguna S 2.1 (free) or Mistral Small 4?

How much does Laguna S 2.1 (free) cost compared to Mistral Small 4?

How can I compare Laguna S 2.1 (free) and Mistral Small 4 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Same prompt, both answers

Cost per 1M tokens

2 hosts

What we learned reading every model

Common questions

What is the difference between Laguna S 2.1 (free) and Mistral Small 4?

Which is better, Laguna S 2.1 (free) or Mistral Small 4?

How much does Laguna S 2.1 (free) cost compared to Mistral Small 4?

How can I compare Laguna S 2.1 (free) and Mistral Small 4 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages