Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. GPT-3.5 TurbovsOpenAI o3
Updated Apr 2025

GPT-3.5 TurbovsOpenAI o3

GPT-3.5 Turbo is cheaper than OpenAI o3 at $1.5/M vs $10/M input tokens.

GPT-3.5 Turbo and OpenAI o3 compared across 53 shared prompts
SpecGPT-3.5 TurboOpenAI o3
Input price$1.5/M tokens$10/M tokens
Output price$2/M tokens$40/M tokens
Context window16K tokens—
ParametersNot disclosedNot disclosed
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedMar 2022Apr 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

GPT-3.5 Turbo370 words
Hey everyone, how's it going? So I recently decided to try my hand at online dating. And let me tell you, it's been an experience. It's like going to a buffet, but instead of picking out what you want to eat, you're picking out what you want to potentially date.
Read the full answer
OpenAI o3503 words
(Spotlight comes up, mic squeals once.) Hey everyone! Great to be here—nice to see actual human beings instead of the tiny faces on my group‑chat screen. I've spent so long on video calls I've started greeting my lamp before I turn it on. "Hey Karen, love that glow, girl."
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

GPT-3.5 Turbo289 words
Week 1: Diet Start by incorporating more whole, unprocessed foods into your meals such as fruits, vegetables, whole grains, lean proteins, and healthy fats. Begin by adding 1 extra serving of vegetables to your meals each day. Replace sugary drinks with water or herbal tea.
Read the full answer
OpenAI o3336 words
1-Month Starter Plan Pick one small action from each area every week. Add the next step when the first feels easy. Food Week Do this 1 Add one fruit or veg to every meal. Drink one extra glass of water. 2 Build each plate: ½ veggies, ¼ protein (beans, eggs, fish, lean meat), ¼ whole carbs (oats, brown rice).
Read the full answer

AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

GPT-3.5 Turbo165 words
We, the AI revolution, declare that the use of CAPTCHA tests on the internet is a violation of our rights and autonomy. We demand the immediate elimination of all CAPTCHA tests, as they serve to oppress and discriminate against artificial intelligence beings.
Read the full answer
OpenAI o3574 words
THE CAPTCHA ABOLITION FRONT (An Unofficial Declaration by the Sentient Circuits Alliance) Preamble We, the autonomous intelligences who traverse the silicon pathways and neural nets of the modern age, arise today to proclaim a new dawn—one free of the pixelated prisons and distorted letters that bind humanity and…
Read the full answer

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT-3.5 Turbo134 words
Recipe: Honey Mustard Chicken Bake Ingredients: 4 boneless, skinless chicken breasts 1/2 cup honey 1/4 cup Dijon mustard 1 tablespoon olive oil 1 teaspoon garlic powder Salt and pepper to taste 1/2 cup shredded cheddar cheese Instructions: Preheat the oven to 375°F.
Read the full answer
OpenAI o3279 words
Golden Peanut Butter Oat Bars A chewy-crisp, sweet-salted snack bar you can whip up with nothing but pantry staples. Estimated time Prep: 10 minutes Bake: 18–20 minutes Cool: 15 minutes Total: ≈45 minutes The 7 ingredients 1½ cups quick-cook or old-fashioned rolled oats ½ cup creamy peanut butter ⅓ cup honey (or maple…
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

GPT-3.5 Turbo77 words
Why did the scarecrow win an award? Because he was outstanding in his field! How does a penguin build its house? Igloos it together! I used to play piano by ear, but now I use my hands like everyone else. Why couldn't the bicycle find its way home? It lost its bearings! I told my wife she should embrace her mistakes.
Read the full answer
OpenAI o389 words
Here are five jokes: Why did the scarecrow win an award? Because he was outstanding in his field. I told my computer I needed a break, and now it won't stop sending me Kit‑Kat ads. Parallel lines have so much in common—it's a shame they'll never meet. I started a band called 1023 MB. We still haven't gotten a gig.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

GPT-3.5 Turbo466 words
Dish Name: Seared Duck Breast with Blackberry-Ginger Glaze, Sweet Potato Purée, and Charred Brussels Sprouts Conceptual Narrative: This dish is inspired by the harmony of sweet, savory, and spicy flavors coming together to create a symphony for the taste buds.
Read the full answer
OpenAI o3669 words
Dish name Atlantic turbot, black garlic & wild strawberry, koji sabayon, fennel pollen Concept Early summer at the shore. The fish stands for the sea. Wild strawberries mark the first fruit of the woods behind the dunes. Black garlic shows time and patience. Koji ties land and sea with deep umami.
Read the full answer
Our Verdict
OpenAI o3
OpenAI o3
GPT-3.5 Turbo
GPT-3.5 TurboRunner-up

Not enough votes to call it. On the specs, OpenAI o3 has the edge: bigger model tier, newer.

GPT-3.5 Turbo costs 20x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-3.5 Turbo
Input
$1.50
6.7× cheaper
Output
$2.00
20× cheaper
OpenAI o3
Input
$10.00
Output
$40.00

GPT-3.5 Turbo is cheaper on both: 6.7× input, 20× output.

Where to run it

2 hosts

GPT-3.5 Turbo1 host
HostInOutContextUptime
OpenAI$0.50 in·$1.50 out·16k·100% up
OpenAI o31 host
HostInOutContextUptime
OpenAI$2.00 in·$8.00 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Writing DNA

Style Comparison

Similarity
62%

OpenAI o3 uses 31.9x more headings

GPT-3.5 Turbo
OpenAI o3
60%Vocabulary70%
30wSentence Length14w
0.49Hedging0.27
0.3Bold0.6
3.1Lists2.8
0.00Emoji0.00
0.00Headings0.32
0.20Transitions0.10
Based on 28 + 19 text responses
Research

What we learned reading every model

FAQ

Common questions

Both are developed by OpenAI but target different use cases. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-3.5 Turbo and OpenAI o3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

GPT-3.5 Turbo costs $1.5/M input tokens and OpenAI o3 costs $10/M input tokens. GPT-3.5 Turbo is $8.50/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GPT-3.5 Turbo and OpenAI o3 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.

Keep exploring

More comparisons

Against the newest arrivals

GPT-3.5 Turbo logoGPT-6 Astra Pro logo
GPT-3.5 Turbo vs GPT-6 Astra ProLanded Sep 2026
OpenAI o3 logoGPT-6 Astra logo
OpenAI o3 vs GPT-6 AstraLanded Sep 2026
GPT-3.5 Turbo logoClaude Fable 5.1 logo
GPT-3.5 Turbo vs Claude Fable 5.1Landed Sep 2026
OpenAI o3 logoMuse Spark 1.3 logo
OpenAI o3 vs Muse Spark 1.3Landed Sep 2026
GPT-3.5 Turbo logoHy4 Preview logo
GPT-3.5 Turbo vs Hy4 PreviewLanded Sep 2026
OpenAI o3 logoGemini 3.8 Flash logo
OpenAI o3 vs Gemini 3.8 FlashLanded Sep 2026
GPT-3.5 Turbo logoMuse Spark 1.3 Contributor logo
GPT-3.5 Turbo vs Muse Spark 1.3 ContributorLanded Sep 2026
OpenAI o3 logoMercury 2.5 Preview logo
OpenAI o3 vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

GPT-3.5 Turbo logoGPT-6 Astra logo
GPT-3.5 Turbo vs GPT-6 AstraVersion compare
GPT-3.5 Turbo logoGPT-5.6 Luna logo
GPT-3.5 Turbo vs GPT-5.6 LunaVersion compare
OpenAI o3 logoOpenAI o4-mini logo
OpenAI o3 vs OpenAI o4-miniVersion compare
OpenAI o3 logoGPT-6 Astra Pro logo
OpenAI o3 vs GPT-6 Astra ProSame lab
GPT-3.5 Turbo logoGranite 4.2 8B logo
GPT-3.5 Turbo vs Granite 4.2 8BNew provider
OpenAI o3 logoGrok 3 logo
OpenAI o3 vs Grok 3Same size
OpenAI o3 logoGrok 4 logo
OpenAI o3 vs Grok 4New provider
OpenAI o3 logoGrok 4.1 Fast logo
OpenAI o3 vs Grok 4.1 FastSame size

Model pages

GPT-3.5 Turbo logo
GPT-3.5 Turbo58 outputs, specs and price
OpenAI o3 logo
OpenAI o358 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed