Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Laguna XS 2.1 (free)vsSolar Pro 3
Updated Jul 2026

Laguna XS 2.1 (free)vsSolar Pro 3

Laguna XS 2.1 (free) has a larger context window than Solar Pro 3 (262K tokens vs 128K tokens).

Laguna XS 2.1 (free) and Solar Pro 3 compared across 10 shared prompts
SpecLaguna XS 2.1 (free)Solar Pro 3
Input priceFreeFree
Output priceFreeFree
Context window262K tokens128K tokens
Free API (OpenRouter)Yes (1 provider)No
ReleasedJul 2026Jan 2026
Side by side

Same prompt, both answers

Opening lines from 5 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 XS 2.1 (free)635 words
I'll analyze each clause in this software consulting agreement to identify potential risks to the contractor and suggest modifications with legal reasoning. Clause-by-Clause Analysis Clause 1: SCOPE Risk: Unlimited scope creep without additional compensation Modification: Add: "Any modification to the scope requiring…
Read the full answer
Solar Pro 32,700 words
⚠️ Disclaimer The following analysis is for general informational purposes only and does not constitute legal advice. Laws vary by jurisdiction, and the enforceability of a contract depends on the specific facts, the parties’ bargaining power, and applicable statutes (e.g., Korean Civil Code, the Act on the Regulation…
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

Laguna XS 2.1 (free)602 words
Recipe: "Nocturne of Shadows and Light" Concept: A poetic exploration of ancient flavors (pomegranate, quince) intertwined with modernist techniques (spherification, sous vide) and an unexpected coffee-cocoa depth, harmonizing the boldness of game with the elegance of fruit.
Read the full answer
Solar Pro 32,519 words
Ethereal Harmony – Deconstructed Korean Hanwoo Beef with Fermented Black‑Garlic & White‑Truffle Miso Foam A Michelin‑3‑star, multi‑component tasting plate that fuses East‑West fermentation, forest‑terroir, and cutting‑edge gastronomy.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

Laguna XS 2.1 (free)610 words
For the Software Engineer Think of training a language model like building a distributed prediction system with an incredibly complex API contract. Instead of training on labeled datasets where you explicitly tell it "this text is sentiment-positive," you're feeding it massive amounts of text and asking it to predict…
Read the full answer
Solar Pro 31,138 words
1. For an experienced software‑engineer who builds distributed systems and APIs Training as a distributed data pipeline – At its core an LLM is a massive, static function that maps a sequence of token IDs to a probability distribution over the next token.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Laguna XS 2.1 (free)409 words
1-Month Health & Longevity Plan Focus Areas: Diet, Exercise, Sleep Week 1: Start with Foundational Habits Diet: Action: Add 1 serving of fruit or vegetables daily (e.g., a banana with breakfast, a side salad with lunch). Why: Boosts nutrient intake and fiber.
Read the full answer
Solar Pro 31,181 words
One‑Month “Health‑Launch” Blueprint (Designed for absolute beginners – no fancy equipment, no calorie‑counting spreadsheets, just doable steps that fit into a busy life.)
Read the full answer

Advanced Longevity Plan (Biohacker)

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

Laguna XS 2.1 (free)828 words
3-Month Longevity & Performance Optimization Plan for a Biohacker Designed for advanced biohackers with a focus on longevity, cognitive sharpness, and peak physical performance. Assumes access to basic medical testing, wearables, and some advanced tools (e.g., neurofeedback apps).
Read the full answer
Solar Pro 34,735 words
Solar Open 100B – 3‑Month Bio‑Hack Longevity Blueprint Designed for a high‑functioning bio‑hacker who wants to push the envelope on physical, cognitive and epigenetic health while staying data‑driven and medically‑safe.
Read the full answer
Our Verdict
Laguna XS 2.1 (free)
Laguna XS 2.1 (free)
Solar Pro 3
Solar Pro 3Runner-up

Not enough votes to call it. On the specs, Laguna XS 2.1 (free) has the edge: newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Laguna XS 2.1 (free)
Input
$0.000
Output
$0.000
Solar Pro 3
Input
$0.000
Output
$0.000
Where to run it

1 host

Laguna XS 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp8$0 in·$0 out·262k·99.8% up
Solar Pro 3

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 XS 2.1 (free) is developed by Poolside while Solar Pro 3 is developed by Upstage. Laguna XS 2.1 (free) has a 262K token context window vs Solar Pro 3's 128K. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. Laguna XS 2.1 (free) and Solar Pro 3 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.

Laguna XS 2.1 (free) costs $0/M input tokens and Solar Pro 3 costs $0/M input tokens. Solar Pro 3 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 XS 2.1 (free) and Solar Pro 3 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.

Keep exploring

More comparisons

Against the newest arrivals

Laguna XS 2.1 (free) logoDeepSeek V4 Flash Vision Exp logo
Laguna XS 2.1 (free) vs DeepSeek V4 Flash Vision ExpLanded Sep 2026
Solar Pro 3 logoSolar Pro 4 logo
Solar Pro 3 vs Solar Pro 4Landed Sep 2026
Laguna XS 2.1 (free) logoHy3 logo
Laguna XS 2.1 (free) vs Hy3Landed Sep 2026
Solar Pro 3 logoQwen3.7 Flash logo
Solar Pro 3 vs Qwen3.7 FlashLanded Sep 2026
Laguna XS 2.1 (free) logoLing 3.0 Flash logo
Laguna XS 2.1 (free) vs Ling 3.0 FlashLanded Sep 2026
Solar Pro 3 logoMuse Glimmer 30B logo
Solar Pro 3 vs Muse Glimmer 30BLanded Sep 2026
Laguna XS 2.1 (free) logoGLM 5.3 logo
Laguna XS 2.1 (free) vs GLM 5.3Landed Sep 2026
Solar Pro 3 logoTernary Bonsai 2 27B logo
Solar Pro 3 vs Ternary Bonsai 2 27BLanded Sep 2026

Same lab, same size, long tail

Laguna XS 2.1 (free) logoLaguna S 2.1 (free) logo
Laguna XS 2.1 (free) vs Laguna S 2.1 (free)Same lab
Laguna XS 2.1 (free) logoOx Alpha logo
Laguna XS 2.1 (free) vs Ox AlphaSame size
Solar Pro 3 logoOx Alpha logo
Solar Pro 3 vs Ox AlphaSame size
Solar Pro 3 logoMiniMax M3 logo
Solar Pro 3 vs MiniMax M3Same size
Laguna XS 2.1 (free) logoQwen3 Coder Plus logo
Laguna XS 2.1 (free) vs Qwen3 Coder PlusSame size
Laguna XS 2.1 (free) logoQwen3 Max logo
Laguna XS 2.1 (free) vs Qwen3 MaxNew provider
Laguna XS 2.1 (free) logoQwen3 Max Thinking logo
Laguna XS 2.1 (free) vs Qwen3 Max ThinkingNew provider
Laguna XS 2.1 (free) logoQwen3 Next 80B A3B Instruct logo
Laguna XS 2.1 (free) vs Qwen3 Next 80B A3B InstructSame size

Model pages

Laguna XS 2.1 (free) logo
Laguna XS 2.1 (free)11 outputs, specs and price
Solar Pro 3 logo
Solar Pro 339 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed