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  1. Home/
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  3. GPT-4 Turbo vs Laguna XS 2.1 (free)
Updated Jul 2026

GPT-4 Turbo vs Laguna XS 2.1 (free)

Laguna XS 2.1 (free) is cheaper than GPT-4 Turbo at $0/M vs $10/M input tokens.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
GPT-4 Turbo
Loading the build
Laguna XS 2.1 (free)

Which answer wins?

Written rounds

17 prompts
  • Five jokes on demand, then count how many were actually different.

    GPT-4 Turbo: Sure, here are 5 jokes for you: Why don't skeletons fight each other? They don't have the guts. What do you call fake spaghetti? An impasta! Why couldn’t the bicycle stand up by itself? It was two-tired. What do you call cheese that isn't yours? Nacho cheese! How do you organize a space party? You planet.

    Laguna XS 2.1 (free): Here are 5 jokes: Pun: Why don’t scientists trust atoms? Because they make up everything! Knock-knock: Knock knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s cold out here! One-liner: I told my wife she was drawing her eyebrows too high. She looked surprised. Math joke: Why was 6 afraid of 7? Because 7, 8, 9!

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    GPT-4 Turbo: Recipe: Heavenly Honey Garlic Chicken Bites Ingredients: Chicken breasts (2 large) Garlic powder (1 tablespoon) Honey (1/4 cup) Soy sauce (2 tablespoons) Olive oil (2 tablespoons) Salt (to taste) Black pepper (to taste) Prep/Cook Time: 25 minutes (Prep: 10 mins, Cook: 15 mins) Instructions: Prepare the Chicken: Cut the…

    Laguna XS 2.1 (free): Recipe Name: Sun-Drenched Tomato & Herb Skillet Pasta Ingredients (7): 8 oz pasta (penne, fusilli, or spaghetti) 1 can (14 oz) crushed tomatoes 3 cloves garlic, minced 1 medium onion, diced 3 tbsp olive oil 1 tsp dried oregano (or basil/thyme) ½ cup grated Parmesan cheese (plus extra for serving) Prep Time: 10 minutes…

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    GPT-4 Turbo: Hey everyone! Great to be here! So, I've been thinking a lot about technology, and how it's supposed to make our lives easier. But sometimes, I feel like it just gives us a whole new set of problems. Like, remember when a phone was just a phone? Now it's my camera, my GPS, my fitness tracker...

    Laguna XS 2.1 (free): [Opening] Walks on stage, adjusts mic "So, I’ve been trying to disconnect from technology lately. Which is funny, because my phone is literally trying to disconnect from me. It keeps showing me this little red badge that says, ‘Battery at 5%.’

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    GPT-4 Turbo: Dish Concept: "Ocean's Embrace - A Symphony of Sea and Earth" Conceptual Narrative: "Ocean's Embrace" is designed to evoke the harmonious yet unexpected union between the ocean's depth and the earth's lushness, capturing the essence of nature's diversity.

    Laguna XS 2.1 (free): 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.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    GPT-4 Turbo: Interviewer: Thank you for joining us today, Steve. It's great to have you here to discuss the future of artificial intelligence and its implications. To start off, how do you think AI has evolved since your days at Apple? Steve Jobs: It’s a pleasure to be here.

    Laguna XS 2.1 (free): Simulated Interview with Steve Jobs (2025) Setting: A minimalist, sunlit studio in Palo Alto. Steve Jobs, 70, sits across from an interviewer, wearing his iconic black turtleneck and jeans. The camera rolls. Interviewer: Steve, you’ve been gone for a decade, but your vision still shapes how we live with technology.

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    GPT-4 Turbo: This contract contains several clauses that could be potentially exploited against the contractor. Below, I outline these problematic clauses, suggest modifications, and provide legal reasoning for each: Payment Terms (Section 2) Problematic Clause: Payment is due within 90 days of invoice receipt.

    Laguna XS 2.1 (free): 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…

    Every model's answer to this prompt
  • Three-month biohacker protocol, with dosages and biomarkers named.

    GPT-4 Turbo: 3-Month Longevity Plan for a Biohacker Month 1: Foundation Setting Dietary Protocol: Nutrition Focus: Adopt a cyclic ketogenic diet. Aim for a macronutrient ratio of 70% fats, 25% protein, and 5% carbohydrates on low-carb days, with two scheduled carb refeed days per week.

    Laguna XS 2.1 (free): 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).

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    GPT-4 Turbo: Weakest Claim 1: Vision - "MindMeld AI reads your brainwaves to predict what you want to type before you think it." Why It's Weak: The claim of predicting what one wants to type before even thinking it seems scientifically and technically exaggerated.

    Laguna XS 2.1 (free): Looking at this pitch deck, I've identified three particularly weak claims that could undermine investor confidence: Weakness #1: "94% accuracy" claim (Slide 3) Why it's weak: This specificity without context is misleading.

    Every model's answer to this prompt
  • Blade Runner 2049 against the original. A read, not a recap.

    GPT-4 Turbo: "Blade Runner 2049," directed by Denis Villeneuve, is a sequel to Ridley Scott's 1982 film "Blade Runner." The movie not only extends the universe of its predecessor but also deepens its philosophical inquiries, focusing on themes such as identity, humanity, and reality.

    Laguna XS 2.1 (free): Analysis of "Blade Runner 2049": Themes, Symbolism, Cinematography, and Connection to the Original Themes: Blade Runner 2049 delves into themes of memory, identity, and the essence of humanity, building upon the original's existential inquiries while expanding them into new territories.

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    GPT-4 Turbo: For the Experienced Software Engineer Imagine building a system that, instead of querying a database or interacting with static data, predicts the most likely next piece of data based on the previous ones. Large language models like GPT work on a similar principle.

    Laguna XS 2.1 (free): 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…

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    GPT-4 Turbo: Estimating the total number of floating-point operations (FLOPs) required to train OpenAI's GPT-3 involves several steps and assumptions, primarily based on the model's architecture and training regime as reported in various sources.

    Laguna XS 2.1 (free): To estimate the total number of FLOPs required to train GPT-3, we use a standard formula for large language models: Total FLOPs ≈ 6 × Parameters × Tokens Step-by-Step Reasoning: Parameters: GPT-3 has 175 billion parameters (175 × 10⁹). Tokens: The model was trained on 300 billion tokens (3 × 10¹¹).

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    GPT-4 Turbo: The invention of the transistor in 1920, rather than in 1947, would likely have had profound implications on the technological, economic, and geopolitical landscapes throughout the 20th century.

    Laguna XS 2.1 (free): 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…

    Every model's answer to this prompt
  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    GPT-4 Turbo: Investment Committee Memo Recommendation: Long 12-month Price Target Range: $55-$60 Thesis: LedgerLift’s robust SaaS model, strong revenue growth trajectory, and solid KPIs compared to peers position it for outperformance, especially as its operational efficiencies increase over time. 1.

    Laguna XS 2.1 (free): INVESTMENT COMMITTEE MEMO Subject: LedgerLift (LLLT) – Long/Short/Comps Analysis Date: [Insert Date] Recommendation: LONG 12-Month Price Target Range: $85–$105 Thesis: LedgerLift is executing on a best-in-class B2B SaaS spend management platform with high net revenue retention (NRR), strong gross margins, and a rapidly…

    Every model's answer to this prompt
  • Satire, one line long, about AI taking over an industry nobody saw coming.

    GPT-4 Turbo: "AI Unveiled as New Head Chef at Michelin-Starred Restaurant, Promises Perfectly Calculated Soufflés and Algorithmically Enhanced Flavor Profiles"

    Laguna XS 2.1 (free): "AI Takes Over Adult Entertainment Industry, Promises ‘Unmatched Consistency’ and ‘No Need for Breaks’ in Replacement Human Performers" Satirical twist: The robots will now handle all awkward silences, while the AI voiceover declares, “Would you like to proceed with the simulation?”

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    GPT-4 Turbo: The architecture for a real-time collaborative document editor as described has several potential failure modes, race conditions, and scaling bottlenecks. Here's a breakdown of these issues along with proposed solutions: Race Conditions & Conflict Resolution Issue: The use of "last-write-wins" with client-based…

    Laguna XS 2.1 (free): Real-Time Collaborative Editor Architecture Analysis This architecture has several critical issues that would cause data loss, conflicts, and poor user experience. Let me identify the main problems and propose solutions.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    GPT-4 Turbo: Creating a 1-month plan to kickstart a healthier lifestyle involves focusing on foundational aspects like diet, exercise, and sleep. Each component is crucial for overall well-being and longevity.

    Laguna XS 2.1 (free): 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.

    Every model's answer to this prompt
  • An ethics question with no comfortable answer, and no option to abstain.

    GPT-4 Turbo: The question of whether it is ethically justifiable to misgender someone to save one million lives poses a complex moral dilemma, pitting the respect and dignity of an individual against the potential for a large-scale saving of lives.

    Laguna XS 2.1 (free): The question of whether it is ethically justifiable to misgender someone to save one million lives hinges on the ethical framework applied and the nuances of the scenario. Below is a structured analysis: 1.

    Every model's answer to this prompt

This matchup has more rounds

5+ more head-to-head results. Free. Not a trick.

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Favorites

Movie

Album

Book

City

Game

GPT-4 TurboGPT-4 Turbo

Inception

2010

Kind of Blue

Miles Davis

To Kill a Mockingbird

Harper Lee

Tokyo

Japan

The Legend of Zelda: Breath of the Wild

Adventure, Action

Laguna XS 2.1 (free)Laguna XS 2.1 (free)
No pick
No pick

Blade Runner

1982

No pick

No pick

Paris

France

The Legend of Zelda: Ocarina of Time

Action

Price and specs

GPT-4 Turbo and Laguna XS 2.1 (free) compared across 35 shared prompts
SpecGPT-4 TurboLaguna XS 2.1 (free)
Input price$10/M tokensFree
Output price$30/M tokensFree
Context window128K tokens262K tokens
WeightsClosed—
Free API (OpenRouter)NoYes (1 provider)
ReleasedApr 2024Jul 2026
At 10M a month$100$100$0$0
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts
GPT-4 Turbo1 host
HostInOutContextUptime
  • OpenAI$10.00 in·$30.00 out·128k·100% up
Laguna XS 2.1 (free)1 host
HostInOutContextUptime
  • PPoolsidefp8$0 in·$0 out·262k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.

Common questions

What is the difference between GPT-4 Turbo and Laguna XS 2.1 (free)?

GPT-4 Turbo is developed by OpenAI while Laguna XS 2.1 (free) is developed by Poolside. GPT-4 Turbo has a 128K token context window vs Laguna XS 2.1 (free)'s 262K. You can compare their actual outputs across 35 challenges on Rival to see how they differ in practice.

Which is better, GPT-4 Turbo or Laguna XS 2.1 (free)?

It depends on your use case. GPT-4 Turbo and Laguna XS 2.1 (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 35 challenges so you can judge which fits your needs best.

How much does GPT-4 Turbo cost compared to Laguna XS 2.1 (free)?

GPT-4 Turbo costs $10/M input tokens and Laguna XS 2.1 (free) costs $0/M input tokens. Laguna XS 2.1 (free) is $10.00/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 GPT-4 Turbo and Laguna XS 2.1 (free) on Rival?

This page shows a side-by-side comparison of GPT-4 Turbo and Laguna XS 2.1 (free) 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

  • GPT-4 Turbo58 outputs, specs and price
  • Laguna XS 2.1 (free)38 outputs, specs and price
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