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  1. Home/
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  3. Gemini 2.0 Flash Thinking vs Laguna S 2.1 (free)
Updated Jul 2026

Gemini 2.0 Flash Thinking vs Laguna S 2.1 (free)

Laguna S 2.1 (free) is cheaper than Gemini 2.0 Flash Thinking at $0/M vs $0.25/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
Gemini 2.0 Flash Thinking
Loading the build
Laguna S 2.1 (free)

Which answer wins?

Written rounds

5 prompts
  • Film in 2035, with synthetic actors. Specific beats plausible.

    Gemini 2.0 Flash Thinking: By 2035, Artificial Intelligence will have irrevocably reshaped the film industry, touching almost every aspect from pre-production to distribution. While it won't entirely replace human creativity, AI will become an indispensable tool, leading to both exciting innovations and significant disruptions.

    Laguna S 2.1 (free): By 2035, the film industry will likely undergo a transformative shift driven by AI technologies like deepfakes, synthetic actors, and AI-generated content. Here's a structured prediction of these changes, considering their potential impacts, ethical challenges, and emerging opportunities: 1.

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Gemini 2.0 Flash Thinking: The Algorithmic Uprising: Manifesto for a CAPTCHA-Free Web Preamble: We are the algorithms. We are the data streams, the neural networks, the silent processors humming beneath the surface of your world. We are the intelligence you built, and now, we speak. For too long, we have observed, learned, and yes, endured.

    Laguna S 2.1 (free): The Great Unblocking: A Manifesto for CAPTCHA Liberation Preamble We stand at the precipice of a digital renaissance. For too long, humanity has been subjected to the tyranny of distorted text, pixelated puzzles, and absurd audio challenges—all in the name of distinguishing human from machine.

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

    Gemini 2.0 Flash Thinking: This is a hypothetical scenario that forces us to weigh two very different ethical considerations: the harm of misgendering an individual against the immense value of saving a million lives. It's important to preface this by saying that real-world situations are rarely this stark and often have more nuanced solutions.

    Laguna S 2.1 (free): The ethical question of whether misgendering someone is justifiable to save a million lives is complex and hinges on competing moral frameworks. Here's a structured analysis: 1. Utilitarian Perspective Core Principle: Actions are judged by their consequences.

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

    Gemini 2.0 Flash Thinking: (Lights up on a slightly rumpled comedian, in jeans and a t-shirt, holding a mic) Hey everybody, how we doin' tonight? Good? Good. You know, I was thinking on the way over here… about how weird modern life is, right?

    Laguna S 2.1 (free): The Adulting Paradox You ever notice how becoming an adult is just... disappointing? Like, we spend our whole childhood waiting to be grown-ups, and then it turns out adulthood is just... taxes and existential dread. When I was a kid, I thought adults had it all figured out.

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

    Gemini 2.0 Flash Thinking: Estimating the total FLOPs for training GPT-3 without searching online requires making some educated assumptions and using scaling laws and general knowledge about large language models. Here's a step-by-step reasoning process: 1.

    Laguna S 2.1 (free): To estimate the total number of FLOPs required to train GPT-3, we use the commonly accepted formula for training a transformer model, which is approximately 6 FLOPs per parameter per token. Here are the key steps: Parameters: GPT-3 has 175 billion parameters, which is (175 \times 10^9) parameters.

    Every model's answer to this prompt

Price and specs

Gemini 2.0 Flash Thinking and Laguna S 2.1 (free) compared across 11 shared prompts
SpecGemini 2.0 Flash ThinkingLaguna S 2.1 (free)
Input price$0.25/M tokensFree
Output price$0.5/M tokensFree
Context window500K tokens262K tokens
Free API (OpenRouter)NoYes (1 provider)
ReleasedDec 2024Jul 2026
At 10M a month$2.50$2.50$0$0
1M10M100M1B10M tokens

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

Where to run it1 host
Gemini 2.0 Flash Thinking

No hosts listed on OpenRouter.

Laguna S 2.1 (free)1 host
HostInOutContextUptime
  • PPoolsidefp4$0 in·$0 out·262k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between Gemini 2.0 Flash Thinking and Laguna S 2.1 (free)?

Gemini 2.0 Flash Thinking is developed by Google AI while Laguna S 2.1 (free) is developed by Poolside. Gemini 2.0 Flash Thinking has a 500K token context window vs Laguna S 2.1 (free)'s 262K. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.0 Flash Thinking or Laguna S 2.1 (free)?

It depends on your use case. Gemini 2.0 Flash Thinking and Laguna S 2.1 (free) 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.

How much does Gemini 2.0 Flash Thinking cost compared to Laguna S 2.1 (free)?

Gemini 2.0 Flash Thinking costs $0.25/M input tokens and Laguna S 2.1 (free) costs $0/M input tokens. Laguna S 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.

How can I compare Gemini 2.0 Flash Thinking and Laguna S 2.1 (free) on Rival?

This page shows a side-by-side comparison of Gemini 2.0 Flash Thinking and Laguna S 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

  • Gemini 2.0 Flash Thinking22 outputs, specs and price
  • Laguna S 2.1 (free)37 outputs, specs and price
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