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  5. Laguna XS 2.1 (free)vsSeed 2.0 Lite
Updated Jul 2026

Laguna XS 2.1 (free)vsSeed 2.0 Lite

Laguna XS 2.1 (free) is cheaper than Seed 2.0 Lite at $0/M vs $0.25/M input tokens.

Laguna XS 2.1 (free) and Seed 2.0 Lite compared across 11 shared prompts
SpecLaguna XS 2.1 (free)Seed 2.0 Lite
Input priceFree$0.25/M tokens
Output priceFree$2/M tokens
Context window262K tokens262K tokens
Free API (OpenRouter)Yes (1 provider)No
ReleasedJul 2026Mar 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 11 prompts both answered. Formatting stripped, words untouched.

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.
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Seed 2.0 Lite996 words
Dish Name: Twilight Shared: Lizard Peninsula & Mount Emei A 3-Michelin-star worthy tasting menu main course, rooted in a personal and ecological narrative that merges the chef’s two childhood homes: the rugged coastal moors of the Lizard Peninsula (Cornwall, UK) and the mist-shrouded highlands of China’s Mount Emei.
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Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Laguna XS 2.1 (free)870 words
The Transistor Revolution: A 1920 Timeline Analysis Immediate Impact (1920-1940) Early Military Applications With transistors available 27 years before radar, telecommunications would see revolutionary improvements: Radio warfare: Nations could develop sophisticated radio direction-finding and jamming capabilities by…
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Seed 2.0 Lite1,118 words
Core Preamble Assume the 1920 transistor is invented at Bell Labs (the same institutional origin as the 1947 original), with a linear scaling of manufacturing: mass-produced discrete transistors by 1928, simple integrated circuits (ICs) by 1942, and large-scale integration (LSI) by 1957.
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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 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
Seed 2.0 Lite421 words
3-Month Cutting-Edge Longevity Plan for Biohackers This evidence-based, personalized plan is built to reverse biological age (target: 2–5 year reduction via GlycanAge testing), boost VO2 max by 12%, improve working memory by 18%, and optimize core longevity biomarkers (hs-CRP 8%).
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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.
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Seed 2.0 Lite652 words
1-Month Beginner Health & Longevity Plan This plan centers on 3 evidence-based, Blue Zone-aligned core pillars (proven to extend healthspan and reduce chronic disease risk) and uses progressive, tiny habit building to avoid burnout.
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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 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…
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Seed 2.0 Lite1,371 words
Below is a structured breakdown of all one-sided, exploitative clauses in this agreement, their risks to the contractor, required modifications, and binding legal reasoning supporting those changes: Scope Clause (Clause 1) Exploitation Risk: The open-ended right to modify scope without additional compensation lets…
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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…
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Seed 2.0 Lite1,516 words
Explanation 1: For the experienced software engineer To start, frame LLM training and inference as a scaled-up, far more sophisticated version of tools you’ve likely built.
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Our Verdict
Laguna XS 2.1 (free)
Laguna XS 2.1 (free)
Seed 2.0 Lite
Seed 2.0 LiteRunner-up

Not enough votes to call it. On the specs, Laguna XS 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 XS 2.1 (free)
Input
$0.000
Output
$0.000
Seed 2.0 Lite
Input
$0.25
Output
$2.00
Where to run it

2 hosts

Laguna XS 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp8$0 in·$0 out·262k·99.8% up
Seed 2.0 Lite1 host
HostInOutContextUptime
ByteDance Seedfp8$0.25 in·$2.00 out·262k·100% up

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 Seed 2.0 Lite is developed by ByteDance. Laguna XS 2.1 (free) has a 262K token context window vs Seed 2.0 Lite's 262K. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.

It depends on your use case. Laguna XS 2.1 (free) and Seed 2.0 Lite each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 11 challenges so you can judge which fits your needs best.

Laguna XS 2.1 (free) costs $0/M input tokens and Seed 2.0 Lite costs $0.25/M input tokens. Laguna XS 2.1 (free) is $0.25/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 Seed 2.0 Lite 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

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