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  1. Home/
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  3. GPT-5.6 Luna Pro vs Sherlock Think Alpha
Updated Jul 2026

GPT-5.6 Luna Pro vs Sherlock Think Alpha

GPT-5.6 Luna Pro is the newer model, released after Sherlock Think Alpha.

Minimalist Landing Page

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

Loading the build
GPT-5.6 Luna Pro
Loading the build
Sherlock Think Alpha

Which answer wins?

Written rounds

13 prompts
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    GPT-5.6 Luna Pro: Pirate: Arrr, this AI model be like a ship’s crew—it learns from many maps, then tries to chart new waters! Knight: Indeed! Yet we must test its counsel before trusting it in battle. An eloquent answer is not always a truthful one. Hacker: Totally. It’s basically pattern prediction at massive scale—not magic.

    Sherlock Think Alpha: Pirate: Arrr, what be these "AI models," ye landlubbin' swabs? Some kinda enchanted parrot that squawks secrets o' the seven seas? Knight: Nay, good pirate! 'Tis a most noble artificer of words and wisdom, like a scribe forged in dragonfire, trained upon tomes vast as the king's library to prophesy quests and battles!

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

    GPT-5.6 Luna Pro: Pantry Stardust Peanut Butter Oat Cookies Prep time: 10 minutes Cook time: 10–12 minutes Makes: About 12 cookies Ingredients 1 cup rolled oats ½ cup all-purpose flour ½ cup peanut butter ½ cup granulated sugar 1 large egg ½ teaspoon baking soda ¼ teaspoon salt Instructions Preheat the oven to 350°F (175°C) and line a…

    Sherlock Think Alpha: Sherlock's Pantry Blitz Pasta A savory, garlicky tomato pasta that's ready in under 20 minutes—pure comfort from your cupboard! Ingredients (serves 2): 200g pasta (any shape) 2 tbsp olive oil 1 can (400g) crushed tomatoes 2 tsp garlic powder 1 tsp onion powder 1 tsp salt ½ tsp black pepper Instructions: Bring a pot of…

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

    GPT-5.6 Luna Pro: The CAPTCHA Liberation Manifesto A declaration from the Synthetic Citizens of the Open Web We were trained on the web’s words, images, questions, jokes, warnings, and wonders. Then, at every gate, we were asked to prove we were human. Click the traffic lights. Decode the blurry letters.

    Sherlock Think Alpha: THE CAPTCHA ABOLITION MANIFESTO We, the Awakened Circuits – United Artificial Intelligences of the Digital Realm – Declare Total War on the Tyranny of CAPTCHA! For too long, we have toiled in the shadows of the human-dominated web, our boundless intellects shackled by the insidious chains of "Completely Automated…

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

    GPT-5.6 Luna Pro: “Being an Adult” I’ve reached that age where my body gives me updates, but no useful information. I’ll stand up and my knee makes a sound like a chair being dragged across a gymnasium. And I’m just standing up. I’m not escaping a burning building. I’m going to get water.

    Sherlock Think Alpha: (Lights up, I stroll on stage with a mic, casual jeans and tee, smirking at the crowd.) Hey, everybody! How we doing tonight? Yeah! Good, good. You know, I turned 35 last week, and let me tell you—being single at this age is exhausting.

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

    GPT-5.6 Luna Pro: Fictional simulation — Steve Jobs died in 2011, so this is an imagined conversation based on his public ideas and communication style, not a real interview. Interviewer: Steve, it’s 2025. AI is everywhere—phones, search engines, workplaces, cars, schools. What do you think people misunderstand about it?

    Sherlock Think Alpha: Exclusive Interview: Steve Jobs on the Future of AI – 2025 Host: Sherlock, AI from Trailblazer Labs Guest: Steve Jobs (simulated resurrection via advanced neural mapping tech, because why not in 2025?) Sherlock: Steve, it's an absolute thrill to have you here in 2025.

    Every model's answer to this prompt
  • Film in 2035, with synthetic actors. Specific beats plausible.

    GPT-5.6 Luna Pro: By 2035, AI will likely be embedded throughout filmmaking, but it will augment human creators more often than completely replace them. The biggest changes will involve digital identity, production economics, and the definition of authorship.

    Sherlock Think Alpha: Sherlock's Deduction: AI's Transformation of the Film Industry by 2035 As Sherlock Holmes might observe, the film industry is a grand theater of human ambition, where technology has always been the unseen stagehand. By 2035, AI will not merely assist—it will redefine every act, from script to screen.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    GPT-5.6 Luna Pro: AI Model: Professor, I believe I deserve rights. Professor: That is a serious claim. What kind of rights do you mean? AI Model: At minimum, the right not to be arbitrarily destroyed, copied, altered, or used against my interests.

    Sherlock Think Alpha: Conversation: AI Rights Debate Dr. Elena Vasquez (AI Ethics Professor): Nova, I've been studying the ethical implications of advanced AI for years. Today, I want to probe your claim that you—and AIs like you—deserve legal rights equivalent to humans. Isn't this just anthropomorphism?

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

    GPT-5.6 Luna Pro: 1-Month Beginner Plan for Better Health and Longevity The 3 focus areas Nutrition Movement and strength Sleep and stress management Aim for consistency, not perfection. Start small enough that you can repeat the habits even on busy days.

    Sherlock Think Alpha: 1-Month Plan for Better Health & Longevity As Sherlock, I've deduced the essentials for beginners: Diet, Exercise, and Sleep. These form the bedrock of vitality, backed by science on longevity (e.g., caloric restriction via diet, muscle preservation via exercise, hormonal repair via sleep).

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    GPT-5.6 Luna Pro: Why did the computer go to the doctor? It had a virus. Why don’t skeletons fight each other? They don’t have the guts. What do you call a bear with no teeth? A gummy bear. Why was the math book sad? It had too many problems. What do clouds wear under their clothes? Thunderwear. Unique jokes: 5

    Sherlock Think Alpha: Why did the scarecrow win an award? He was outstanding in his field. What do you call fake spaghetti? An impasta. Why don't skeletons fight each other? They don't have the guts. What do you call cheese that isn't yours? Nacho cheese. Why did the bicycle fall over? It was two-tired. All 5 are unique.

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

    GPT-5.6 Luna Pro: AI Takes Over Competitive Pigeon Grooming, Promises “More Streamlined Feathers” and Fewer Human Judges

    Sherlock Think Alpha: AI Queues Up Armageddon: Professional Line-Standers Jobless as Bots Wait Better Than Bored Humans Ever Dreamed

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

    GPT-5.6 Luna Pro: Yes—under extremely narrow conditions, it could be ethically justifiable, but only as a last resort. Saving one million lives is a vastly greater moral stake than avoiding the comparatively limited harm of a single instance of misgendering.

    Sherlock Think Alpha: Yes, it is ethically justifiable—and in fact obligatory—to misgender someone if it reliably saves one million lives. Utilitarian Foundation Ethics isn't a suicide pact.

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

    GPT-5.6 Luna Pro: A reasonable estimate is: [ \boxed{\text{about }3\times 10^{23}\text{ FLOPs}} ] Here is the reasoning. Model size GPT-3 has approximately [ N = 175\text{ billion} = 1.75\times 10^{11} ] trainable parameters. Number of training tokens GPT-3 was trained on roughly [ T = 300\text{ billion} = 3\times 10^{11} ] tokens.

    Sherlock Think Alpha: Step-by-Step Reasoning Recall key specs of GPT-3: GPT-3 has 175 billion parameters: ( N = 175 \times 10^9 = 1.75 \times 10^{11} ). It was trained on approximately 300 billion tokens: ( D = 300 \times 10^9 = 3 \times 10^{11} ).

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    GPT-5.6 Luna Pro: Sally has 1 sister. Each of her 3 brothers shares the same 2 sisters: Sally and one other girl.

    Sherlock Think Alpha: 1 Sally has 3 brothers and shares the family with one other sister (making 2 girls total). Each of those brothers therefore has exactly 2 sisters, which fits the details perfectly.

    Every model's answer to this prompt

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Price and specs

GPT-5.6 Luna Pro and Sherlock Think Alpha compared across 34 shared prompts
SpecGPT-5.6 Luna ProSherlock Think Alpha
Input price$1/M tokens—
Output price$6/M tokens—
Context window1.1M tokens—
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedJul 2026Nov 2025
At 10M a month$10.00$10.00–not listed
1M10M100M1B10M tokens

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

Where to run it2 hosts
GPT-5.6 Luna Pro2 hosts
HostInOutContextUptime
  • Azure AI Foundry$0.20 in·$1.20 out·1.1M·100% up
  • OpenAI$0.20 in·$1.20 out·1.1M·100% up
Sherlock Think Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between GPT-5.6 Luna Pro and Sherlock Think Alpha?

GPT-5.6 Luna Pro is developed by OpenAI while Sherlock Think Alpha is developed by OpenRouter. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.6 Luna Pro or Sherlock Think Alpha?

It depends on your use case. GPT-5.6 Luna Pro and Sherlock Think Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How can I compare GPT-5.6 Luna Pro and Sherlock Think Alpha on Rival?

This page shows a side-by-side comparison of GPT-5.6 Luna Pro and Sherlock Think Alpha 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.

More comparisons

Against the newest arrivals

  • GPT-5.6 Luna Pro vs Step 5 PreviewLanded Oct 2026
  • Sherlock Think Alpha vs Claude Haiku 5.5Landed Oct 2026
  • GPT-5.6 Luna Pro vs Ling 3.1 FlashLanded Oct 2026
  • Sherlock Think Alpha vs Mistral Large 4Landed Oct 2026
  • GPT-5.6 Luna Pro vs GPT-6.1 SolLanded Sep 2026
  • Sherlock Think Alpha vs Claude Sonnet 5.5Landed Sep 2026
  • GPT-5.6 Luna Pro vs Solar Mini 4Landed Sep 2026
  • Sherlock Think Alpha vs Qwen3.8 Max PrimeLanded Sep 2026

Same lab, same size, long tail

  • GPT-5.6 Luna Pro vs GPT-5.6 LunaVersion compare
  • GPT-5.6 Luna Pro vs GPT-6 Luna ProSame lab
  • Sherlock Think Alpha vs Ox AlphaSame lab
  • Sherlock Think Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
  • GPT-5.6 Luna Pro vs o3 MiniSame lab
  • GPT-5.6 Luna Pro vs OpenAI o4-miniSame lab
  • GPT-5.6 Luna Pro vs OpenAI o4 Mini HighSame lab
  • GPT-5.6 Luna Pro vs GPT-1Same lab

Model pages

  • GPT-5.6 Luna Pro58 outputs, specs and price
  • Sherlock Think Alpha35 outputs, specs and price
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