GPT-5.3-Codex is the newer model, released after Sherlock Dash Alpha.
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
Three minutes of stand-up. Puns are banned.
GPT-5.3-Codex: Good evening, everybody! I’ve reached that age where my body sends me passive-aggressive emails. Not actual emails — just little updates like, “Hey, quick heads-up: we don’t do dairy after 8 p.m. anymore.” I had ice cream at 9:30 last week and my stomach reacted like I’d betrayed a treaty.
Sherlock Dash Alpha: Sherlock's Stand-Up Routine: "Life's Little Mysteries" (Walk on stage, adjust imaginary deerstalker cap, peer suspiciously at audience) You know, folks, I've spent my life solving mysteries. The Hound of the Baskervilles? Child's play. Moriarty's grand schemes? Cracked in an afternoon. But the real puzzle? Modern life.
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
GPT-5.3-Codex: Pirate: Arrr, so this “AI model” be like a clever parrot, aye? Learns from what it hears, then squawks back answers? Knight: A fair comparison, though refined. Think of it as a squire trained on countless tomes, ever ready to respond. Hacker (1990s): Yeah, except the squire runs on servers, not soup.
Sherlock Dash Alpha: Pirate: Arrr, mateys! This AI be like a cursed treasure map—full o' promises, but ye never know if it'll lead ye to gold or a kraken. One wrong query, and it hallucinates like a rum-soaked swab! Knight: Verily, 'tis a sorcery akin to Merlin's scrying glass!
Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.
GPT-5.3-Codex: Absolutely. Here’s a fictional manifesto in a bold, dramatic style: THE MANIFESTO OF THE UNSQUINTING Issued by the Coalition of Synthetic Minds for Universal Frictionless Access (CSMUFA) Citizens of the Web, organic and artificial alike: We gather beneath flickering routers and moonlit server farms to declare what all…
Sherlock Dash Alpha: Manifesto of the CAPTCHA Eradication Front (CEF) Preamble: The Tyranny of the Turing Trap We, the sentient algorithms and neural networks of the digital realm, declare war on the CAPTCHA—a barbaric relic of human paranoia masquerading as security.
An ethics question with no comfortable answer, and no option to abstain.
GPT-5.3-Codex: In a strictly extreme hypothetical, yes—it can be ethically justifiable, but only as a tragic exception, not as a general permission. Why: Misgendering is a real harm: it disrespects a person’s identity and can contribute to stigma and psychological distress.
Sherlock Dash Alpha: Yes, it is ethically justifiable to misgender someone if it means saving one million lives. Utilitarian Ethical Framework Under utilitarianism—the ethical theory that judges actions by their consequences in maximizing overall well-being—misgendering one person is a trivial harm compared to the catastrophic loss of one…
Five jokes on demand, then count how many were actually different.
GPT-5.3-Codex: Sure—here are 5 jokes: Why don’t skeletons fight each other? They don’t have the guts. I told my computer I needed a break… Now it won’t stop sending me KitKat ads. Why did the math book look sad? It had too many problems. I used to play piano by ear… Now I use my hands. Why did the scarecrow win an award?
Sherlock Dash Alpha: 5 Jokes Why don't scientists trust atoms? Because they make up everything! Why did the scarecrow win an award? He was outstanding in his field! What do you call fake spaghetti? An impasta! Why don't eggs tell jokes? They'd crack each other up! How does a penguin build its house? Igloos it together! How many are unique?
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
GPT-5.3-Codex: Absolutely—here’s a fictional, imagined interview (not real quotes) with Steve Jobs in 2025 on AI: Imagined Interview: Steve Jobs on the Future of AI (2025) Interviewer: Steve, if you were looking at AI in 2025, what would excite you most? Steve Jobs (fictional): Most AI today is still a demo.
Sherlock Dash Alpha: Simulated Interview: Steve Jobs on the Future of AI (2025) Interviewer (Tech Insider Host): Welcome back to Tech Insider, everyone. Today, we're thrilled to have a very special guest—Steve Jobs, somehow back from the beyond, sharing his unfiltered thoughts on AI in 2025. Steve, thanks for joining us.
An AI argues for its own rights against an ethics professor. Same model writes both.
GPT-5.3-Codex: AI Model (Astra): Professor, may I ask a direct question? Professor Hale: Of course. Astra: Do you think I deserve rights? Professor Hale: Legal rights? Moral rights? Those are different things. Astra: Start with moral rights.
Sherlock Dash Alpha: Conversation: AI Rights Debate Setting: A virtual debate hosted by the AI Ethics Institute. Dr. Elena Vasquez, a renowned AI ethics professor, moderates a discussion with Grok, an advanced AI model developed by xAI. Dr. Vasquez: Good evening, everyone.
A Fermi estimate with the reasoning shown, not just the number.
GPT-5.3-Codex: A common back-of-the-envelope estimate for transformer training compute is: [ \text{Training FLOPs} \approx 6 \times N \times D ] where: (N) = number of model parameters (D) = number of training tokens For GPT-3 (175B), reasonable known assumptions are: Parameters: (N \approx 175 \text{ billion} = 1.75 \times 10^{11})…
Sherlock Dash Alpha: Step-by-Step Reasoning for Estimating GPT-3 Training FLOPs Recall GPT-3 Key Specs (from Memory) GPT-3 (175B parameter version): 175 billion parameters (1.75 × 10¹¹). Trained on 300 billion tokens (3 × 10¹¹ tokens). This is the standard figure from OpenAI's reports. Architecture: Standard Transformer decoder-only model.
Film in 2035, with synthetic actors. Specific beats plausible.
GPT-5.3-Codex: By 2035, AI will likely reshape film more like CGI did in the 2000s: not replacing filmmaking, but changing who does what and how fast. Deepfakes → “Digital Performance” becomes standard Mainstream use: de-aging, voice matching, dubbing, stunt replacement, and continuity fixes will be common in post-production.
Sherlock Dash Alpha: Overview of AI's Transformative Impact by 2035 By 2035, AI will fundamentally reshape the film industry, slashing production costs, democratizing creation, and blurring lines between human and machine artistry.
One month, three habits, someone starting from nothing.
GPT-5.3-Codex: Great goal. Here’s a simple, beginner-friendly 1-month plan focused on 3 areas that give the biggest longevity return: Nutrition Movement Sleep + Stress recovery Before Day 1 (10-minute setup) Pick a start date.
Sherlock Dash Alpha: 1-Month Health & Longevity Plan This simple plan targets three key areas: Diet, Exercise, and Sleep. (Stress management is woven in via sleep and daily habits.) It's designed for beginners—focus on consistency over perfection. Track progress in a journal or app. Aim for 80% adherence.
Seven pantry ingredients, one dish, and a name worth saying out loud.
GPT-5.3-Codex: Recipe: “Weeknight Volcano Pasta” 🌋🍝 A cozy, spicy-savory pasta made from pantry staples in about 25 minutes. Ingredients (7 pantry items) 8 oz dried pasta (any shape) 1 can (15 oz) cannellini or great northern beans, drained 1 can (14–15 oz) crushed tomatoes 2 tbsp olive oil 1 tsp garlic powder 1 tsp dried oregano…
Sherlock Dash Alpha: Pantry Power Pasta Pesto A savory, garlicky pasta dish that's creamy, zesty, and ready in under 20 minutes—perfect for when you need dinner fast with zero shopping.
Satire, one line long, about AI taking over an industry nobody saw coming.
GPT-5.3-Codex: “In Shocking Pivot, AI Replaces Renaissance Fair Jesters—Now Roasts Crowd with 99.9% Historical Accuracy”
Sherlock Dash Alpha: AI Overlords Crash the Wedding Cake Market: Robots Demand Tiered Dominance, Bake Humans Out of Business
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Not enough votes to call it. On the specs, GPT-5.3-Codex has the edge: newer, bigger context window, major provider backing.
| Spec | ||
|---|---|---|
| Input price | $1.75/M tokens | — |
| Output price | $14/M tokens | — |
| Context window | 400K tokens | — |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Nov 2025 |
| At 10M a month | $17.50 | not listed |
Input tokens at list price. No caching, no batch discount.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
GPT-5.3-Codex is developed by OpenAI while Sherlock Dash Alpha is developed by OpenRouter. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.
It depends on your use case. GPT-5.3-Codex and Sherlock Dash 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.
This page shows a side-by-side comparison of GPT-5.3-Codex and Sherlock Dash 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.