What is the difference between Laguna S 2.1 (free) and Llama 3.1 70B (Instruct)?

Laguna S 2.1 (free) is developed by Poolside while Llama 3.1 70B (Instruct) is developed by Meta AI. Laguna S 2.1 (free) has a 262K token context window vs Llama 3.1 70B (Instruct)'s 128K. 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 Llama 3.1 70B (Instruct)?

It depends on your use case. Laguna S 2.1 (free) and Llama 3.1 70B (Instruct) 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 Llama 3.1 70B (Instruct)?

Laguna S 2.1 (free) costs $0/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Laguna S 2.1 (free) is $0.59/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 Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Laguna S 2.1 (free) and Llama 3.1 70B (Instruct) 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)vsLlama 3.1 70B (Instruct)

Laguna S 2.1 (free) is cheaper than Llama 3.1 70B (Instruct) at $0/M vs $0.59/M input tokens.

Laguna S 2.1 (free) and Llama 3.1 70B (Instruct) compared across 10 shared prompts
Spec	Laguna S 2.1 (free)	Llama 3.1 70B (Instruct)
Input price	Free	$0.59/M tokens
Output price	Free	$0.79/M tokens
Context window	262K tokens	128K tokens
Weights	—	Open
Free API (OpenRouter)	Yes (1 provider)	No
Released	Jul 2026	Jul 2024

Side by side

Same prompt, both answers

Opening lines from 3 of the 10 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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Llama 3.1 70B (Instruct)744 words

Comprehensive 3-Month Longevity Plan for Biohackers Phase 1 (Weeks 1-4): Optimization and Detoxification Dietary Protocol: Weeks 1-2: Ketogenic Diet (KD) with a macronutrient breakdown of 70% fat, 20% protein, and 10% carbohydrates.

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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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Llama 3.1 70B (Instruct)610 words

After reviewing the contract, I've identified several clauses that could be exploited against the contractor. Here are my findings, suggested modifications, and explanations: 1. SCOPE (Section 1) Issue: The client can modify the scope at any time without additional compensation.

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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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Llama 3.1 70B (Instruct)574 words

Investment Committee Memo Recommendation: Long 12-month PT range: $60-$75 Thesis: LedgerLift's strong B2B spend management and AP automation SaaS platform, with a loyal customer base and efficient growth model, positions the company for sustained success, driven by increasing adoption of digital payment solutions and…

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Our Verdict

Laguna S 2.1 (free)

Llama 3.1 70B (Instruct)

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

Llama 3.1 70B (Instruct)

Input

$0.59

Output

$0.79

Where to run it

3 hosts, cheapest first

Laguna S 2.1 (free)1 host

HostInOutContextUptime

Poolsidefp4$0 in$0 out262k100% up

Llama 3.1 70B (Instruct)2 hosts

HostInOutContextUptime

DeepInfrafp8$0.40 in$0.40 out131k96.7% up Amazon Bedrock$0.72 in$0.72 out131k100% up

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

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