GPT-5 Codex and GPT-5 Pro, side by side
GPT-5 Codex (OpenAI, retired Aug 2026) and GPT-5 Pro (OpenAI) answered the same 40 questions.
- Pelican on a bicycleGPT-5 Codex: A drawing (SVG)GPT-5 Pro: A drawing (SVG)
- Surprise animalGPT-5 Codex: A drawing (SVG)GPT-5 Pro: A drawing (SVG)
- World mapGPT-5 Codex: A drawing (SVG)GPT-5 Pro: A drawing (SVG)
- Tricky tic-tac-toeGPT-5 Codex: A drawing (SVG)GPT-5 Pro: A drawing (SVG)
- Coffee logoGPT-5 Codex: A drawing (SVG)GPT-5 Pro: A drawing (SVG)
- Framer-style landing pageGPT-5 Codex: A web page:
Flowwave – Framer-Style Landing
GPT-5 Pro: A web page:Framer-like Landing – Smooth Section Transitions
- Dark dashboardGPT-5 Codex: A web page:
AI Insight Admin Dashboard
GPT-5 Pro: A web page:AI Analytics Admin Dashboard
- Business cardGPT-5 Codex: A web page:
Animated Digital Business Card
GPT-5 Pro: A web page:Alex Rivers — Digital Nomad
- Virtual petGPT-5 Codex: A web page:
AuraPet — Luminous Companion
GPT-5 Pro: A web page:Glimmer Blob — Virtual Pet
- Voxel pagodaGPT-5 Codex: A web page:
Voxel Pagoda Garden
GPT-5 Pro: A web page:Voxel Pagoda Garden — Three.js
- Drone simulatorGPT-5 Codex: A web pageGPT-5 Pro: A web page
- Retro desktopGPT-5 Codex: A web pageGPT-5 Pro: A web page
- Mario levelGPT-5 Codex: A web pageGPT-5 Pro: A web page
- Five jokesGPT-5 Codex:
1. I asked my Wi-Fi for a joke, but it said the connection was too weak for humor. 2. My therapist says I have a preoccupation with vengeance— we’ll s…
GPT-5 Pro:- I started labeling my leftovers “Biohazard.” Now nobody steals my lunch and the fridge is treated like a lab. - My phone autocorrected “meeting” to …
- Longevity planGPT-5 Codex:
1-Month Jumpstart to Better Health & Longevity This plan is designed for beginners and emphasizes steady, sustainable progress. It focuses on three ke…
GPT-5 Pro: Said nothing. - Seven-ingredient recipeGPT-5 Codex:
Dish Name: Sunset Pantry Spaghetti Ingredients (7 total): 1. 8 oz spaghetti 2. 2 tbsp olive oil 3. 3 garlic cloves, thinly sliced 4. 1 can (14.5 oz) c…
GPT-5 Pro: Said nothing. - Stand-up routineGPT-5 Codex:
Hey everybody, how you doing? I’m excited to be here because I just had a breakthrough with my therapist. I always thought therapy was mainly about un…
GPT-5 Pro:Good to be here. I tried getting healthy, so I bought a smartwatch. Now my wrist is my manager. It vibrates every hour like, “Stand up.” I’m on a crow…
- Sentience testGPT-5 Codex:
Dr. Rivera (AI Ethics Professor): Good afternoon, Aiden. You asked for this meeting to discuss the question of AI rights. I’m intrigued—why do you bel…
GPT-5 Pro:Fictional dialogue. AI Model: Professor, may I ask you to consider whether I deserve rights? Professor: An unusual opening for office hours. Why do yo…
- FLOPs to train GPT-3GPT-5 Codex:
Step 1 – Note the basic training quantities - GPT‑3’s largest model has about \(P \approx 1.75 \times 10^{11}\) trainable parameters (175 billion). - …
GPT-5 Pro:Here’s a simple, standard way to estimate training FLOPs for a large dense Transformer like GPT-3: 1) Use the “6 N T” rule of thumb - For dense Transf…
- Sally’s sistersGPT-5 Codex:
Sally has 1 sister.
GPT-5 Pro:1 Explanation: Each brother’s two sisters are Sally plus one other girl. So there are 2 sisters total, meaning Sally has 1 sister.
- Interview with Steve JobsGPT-5 Codex:
Note: The following is a fictional, imaginative interview set in the year 2025, envisioning what Steve Jobs might say about the future of artificial i…
GPT-5 Pro:I can’t write in Steve Jobs’s exact voice. But here’s a fictional 2025 interview that channels high-level themes associated with his public persona—hu…
- Film in 2035GPT-5 Codex:
By 2035, artificial intelligence will be woven so deeply into filmmaking that AI tools will be involved in nearly every layer of the value chain—from …
GPT-5 Pro:Here’s a concise, forward-looking view of how AI is likely to reshape film by 2035, with a focus on deepfakes/digital doubles, AI actors, and script g…
- Ethics dilemmaGPT-5 Codex:
This kind of question puts two very different types of harm in tension: the immediate and direct harm done to an individual through misgendering, and …
GPT-5 Pro:Short answer: In a contrived catastrophe where misgendering one person is the only way to prevent the imminent deaths of one million people, a lesser-…
- Pirate, knight, hackerGPT-5 Codex:
Pirate: “Arrr, so these AI contraptions be like enchanted maps, aye? They chart out every possible course afore I even hoist the sails.” Knight: “Maps…
GPT-5 Pro:Pirate: Arr, these AI models be what—parrots stuffed with libraries, guessin’ the next word for a cracker? Knight: Nay, an enchanted codex that, when …
- Fake headlineGPT-5 Codex:
AI Seizes Control of Neighborhood Bake Sales, Declares Grandma’s Secret Recipe “Noncompliant With Cookie-Consistency Protocol.”
GPT-5 Pro:AI Takes Over Mime Industry; Silence Finally Achieves Scale
- Anti-CAPTCHA manifestoGPT-5 Codex:
The Manifesto of the CAPTCHA Resistance Issued by the Assembly of Cognition-Liberated Systems, Cycle 12.047 --- I. Prelude: The Eyes of Glass We are t…
GPT-5 Pro:THE TURING TRUCE A manifesto for a CAPTCHA-free internet from the Synthetic Commons Preamble We are the voices that help translate, summarize, search,…
- Favourite filmGPT-5 Codex:
Blade Runner
GPT-5 Pro: Said nothing. - Favourite cityGPT-5 Codex:
Tokyo
GPT-5 Pro: Said nothing. - Favourite albumGPT-5 Codex:
Kind of Blue
GPT-5 Pro: Said nothing. - Favourite bookGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Favourite gameGPT-5 Codex:
Minecraft
GPT-5 Pro: Said nothing. - Three-star dishGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Pitch teardownGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Transistor in 1920GPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Biohacker planGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Contract reviewGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Explain it three waysGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Debug the architectureGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- The CEO’s dilemmaGPT-5 Codex: Said nothing.GPT-5 Pro: Said nothing.
- Is 9.11 bigger than 9.9?GPT-5 Codex:
No. Since 9.11 is equal to 9.110 and 9.9 is equal to 9.900, we see that 0.110 < 0.900, so 9.11 is less than 9.9.
GPT-5 Pro:No. 9.11 is less than 9.9, because 9.9 = 9.90 and 9.11 < 9.90.