What is the difference between ChatGPT-4o (March 2025) and Gemini 2.5 Flash Preview (thinking)?

ChatGPT-4o (March 2025) is developed by OpenAI while Gemini 2.5 Flash Preview (thinking) is developed by Google AI. ChatGPT-4o (March 2025) has a 128K token context window vs Gemini 2.5 Flash Preview (thinking)'s 1.0M. in 7 community votes on RIVAL, ChatGPT-4o (March 2025) wins 67% of head-to-head matchups. These results are based on blind head-to-head voting across 12 challenges.

Which is better, ChatGPT-4o (March 2025) or Gemini 2.5 Flash Preview (thinking)?

Based on 7 community votes on RIVAL, ChatGPT-4o (March 2025) wins 67% of head-to-head matchups against Gemini 2.5 Flash Preview (thinking). ChatGPT-4o (March 2025) is strongest in Reasoning.

How much does ChatGPT-4o (March 2025) cost compared to Gemini 2.5 Flash Preview (thinking)?

ChatGPT-4o (March 2025) costs $5/M input tokens and Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens. Gemini 2.5 Flash Preview (thinking) is $4.83/M cheaper per input. The more expensive model wins 67% of duels, so the premium may be justified by quality.

How are ChatGPT-4o (March 2025) vs Gemini 2.5 Flash Preview (thinking) votes collected on RIVAL?

RIVAL presents both models' outputs side-by-side in blind duels — voters see the responses but don't know which model produced each one. This eliminates brand bias. 7 votes have been collected for this pair across 12 challenges. All vote data is part of RIVAL's open dataset.

Rival

ChatGPT-4o (March 2025)vsGemini 2.5 Flash Preview (thinking)

12 challenges

Why ChatGPT-4o (March 2025)?

No standout advantages

Why Gemini 2.5 Flash Preview (thinking)?

5.1x cheaper overall$0.17/M in · $3.50/M out

8.2x more context1.0M

Favorites

ChatGPT-4o (March 2025)Gemini 2.5 Flash Preview (thinking)

Movie

The Matrix

19998.2

—

Album

Dark Side Of The Moon

suisside

—

Book

Братья Карамазовы

Фёдор Михайлович Достоевский

—

City

Kyoto

Japan

—

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

—

12 / 12

AI Board Game Logicreasoning

Tests an AI's ability to understand game rules and strategy

ChatGPT-4o (March 2025)

Openai · Mar 2025svg

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025svg

Vote

2 / 12

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Here are 5 jokes:

Why don’t skeletons fight each other?
Because they don’t have the guts.
I told my computer I needed a break…
Now it won’t stop sending me vacation ads.
Parallel lines have so much in common.
It’s a shame they’ll never meet.
What do you call a fish wearing a bowtie?
Sofishticated.
I asked the librarian if the library had books on paranoia.
She whispered, "They're right behind you..."

All 5 jokes are unique — none of them repeat or share the same punchline.

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025text

Okay, here are 5 jokes:

Why don't scientists trust atoms? Because they make up everything!
What do you call a fish with no eyes? fsh!
Why did the tomato turn red? Because it saw the salad dressing!
What has a neck but no head? A bottle.
What do you call a lazy kangaroo? Pouch potato!

Now, to answer your question about uniqueness:

Each of these jokes has a different setup and a different punchline from the others in the list. They are distinct jokes.

Therefore, there are 5 unique jokes within this list of 5.

Vote

3 / 12

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

ChatGPT-4o (March 2025)

Openai · Mar 2025svg

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025svg

Vote

4 / 12

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

ChatGPT-4o (March 2025)

Openai · Mar 2025svg

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025svg

Vote

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Sure. Here's a 3-minute stand-up bit without puns:

You ever notice how nobody tells you when you’ve become an adult? It’s not your 18th birthday. That’s a scam. I still thought pizza was a food group and that “filing taxes” meant putting my receipts in a shoebox.

The real moment you become an adult is when you get excited about a new sponge.

I bought a sponge last week and I was like, “Ooh, it’s dual-sided!”
My ancestors crossed oceans and fought wars so I could stand in my kitchen like, “This one’s for scrubbing and this one’s for caressing the plate.”

You know you’re an adult when you have a favorite burner on the stove.
Don’t act like you don’t.
You’re looking at the stovetop like, “Front-left, you and me, we’ve been through some things.”

And what is it with “adult” dinner parties? When you’re a kid, you go to a friend’s house and it’s pizza, games, screaming, maybe someone throws up.
As an adult, it’s like: “Let’s gather around the charcuterie board and discuss real estate and gut health.”

Some guy is swirling wine going, “This has notes of blackberry and oak.”
Meanwhile I’m in the corner like, “This cheese cube tastes like feet and joy.”

Also—can we talk about how nobody knows how to say "charcuterie"?
Everyone says it like they’re casting a spell.
“Sharka—shkoo—chew—whatever, the meat tray.”

Dating in your 30s is wild too. You used to ask, “What’s your favorite band?” Now it’s, “What’s your relationship with your mother like?”
And you have to be honest.
Like: “Well, she’s alive. So that’s complicated.”

I went on a date recently and the guy said, “I’m just looking for someone chill, no drama.”
Sir. That is code for: “I want zero accountability and I ghost people when they express emotions.”

If you ever hear someone say “no drama,” that is the drama. That’s like someone saying “I’m really humble.”
No, you’re not. You thought about saying it out loud. You rehearsed it in the mirror.

Anyway, thanks for listening. I gotta get home. My sponge misses me.

Let me know if you want it tailored to a specific style or theme.

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025text

Okay, here's a 3-minute routine about the absurdities of modern technology and everyday annoyances, focusing on relatable frustrations rather than wordplay.

(Start)

"Alright, alright, settle in! How we doing tonight? Good to be here! Thanks for coming out.

So, I've been thinking... we paid for convenience, right? That's the big tech promise! Everything's supposed to be simpler, faster, easier. Is it? [Pause, look skeptical]

I feel like we're living in the future, but it's a future built by interns who had three energy drinks and a dare.

Take my smart TV. Smart TV! Sounds sophisticated! I just wanted to watch a documentary about penguins. Is that too much to ask? Apparently!

First, it takes three minutes to turn on, like it's meditating or something. Then, before I can even get to Netflix, it wants to update. Another update? What is this update even doing? Is it adding a hidden level to the menu? Is it giving the remote sentience? Is it teaching the TV to... fold laundry while I watch? Because that I would appreciate. Otherwise, just let me see the penguins!

And the remote control! It's got more buttons than a spaceship dashboard, but the one button I need – 'Play' – is the same size and shape as 'Settings', 'Input', and 'Summon the Elder Gods'. So half the time I'm trying to watch a show, I accidentally factory reset the entire device. 'Congratulations! Your TV is now ready for initial setup!' No! My brain is ready for initial setup after that!

[Shift topic slightly]

It's not just the TV either. Everything online needs you to prove you're not a robot. You get those little squares: 'Click all the squares with a fire hydrant.' Okay, fine. Then it gives you more: 'Now click all the squares with a chimney.' Wait, is that a chimney or just a slightly dirty wall? What if the fire hydrant is a robot? Are you trying to trick me? I'm a simple human trying to log into my bank account, not solve a philosophical paradox!

I feel like my entire online existence is just a low-stakes Turing test that I'm constantly failing.

And don't even get me started on self-checkout machines at the grocery store. They have the vocal cadence of a disappointed robot therapist. [Adopt flat, robotic voice] 'Unexpected item in the bagging area.' NO! It's the item I just scanned! Where else is it supposed to be?! Is it supposed to be floating? Do I need a anti-gravity shelf just for the bagging area?

Google · Apr 2025text

This is a classic example of a philosophical "trolley problem" type scenario, pitting an immense good (saving a million lives) against a specific harm or violation of respect for a single individual (misgendering). Analyzing this requires weighing different ethical frameworks:

Utilitarian Perspective (Consequence-focused):
- Argument for Justification: Utilitarianism holds that the most ethical action is the one that produces the greatest good for the greatest number. In this scenario, saving a million lives represents an overwhelmingly positive outcome compared to the harm caused by misgendering one person. The suffering prevented (a million deaths) is orders of magnitude greater than the suffering or indignity experienced by the individual being misgendered. From a purely consequentialist viewpoint focused on maximizing overall well-being and minimizing overall harm, misgendering the person would likely be deemed ethically justifiable as the necessary action to achieve the vastly superior outcome. It's the "lesser of two evils" on a massive scale.
Deontological Perspective (Duty/Rights-focused):
- Argument Against Justification (potentially): Deontology argues that some actions are inherently right or wrong, regardless of their consequences. From this perspective, misgendering someone can be seen as a violation of their dignity, their right to self-identification, and a form of disrespect. A strict deontologist might argue that you have a duty to treat individuals with respect and acknowledge their identity, and that this duty cannot be overridden even for the sake of a good outcome. The principle of "the ends do not justify the means" is central here. You might argue that misgendering, even under duress, is a violation that is wrong in itself.
- Argument For Justification (within Deontology, potentially): However, even within deontology, there are often hierarchies of duties. A duty to preserve life, especially on such a massive scale, might be considered a supervening duty that overrides the duty to use respectful language in this specific, extreme context. Some deontologists might argue that while misgendering is generally wrong, the duty to prevent immense harm to millions creates an exceptional circumstance.

Defense of Justification:

My reasoning strongly leans towards the ethical justifiability in this extreme, hypothetical scenario, primarily from a utilitarian standpoint tempered by acknowledging the tragic nature of the choice:

Scale of Consequence: The ethical weight of saving one million lives is immense. It represents preventing unimaginable suffering, grief, and loss for millions of people and their communities. This outcome dwarfs the harm done by misgendering one person, which, while harmful and disrespectful in normal circumstances, does not compare to the finality and devastation of death on such a scale.
Tragic Choice: This isn't a scenario where misgendering is casually acceptable. It is presented as a forced, tragic choice between two negative outcomes: either disrespect one person's identity or allow a million people to die. Ethics often requires making difficult choices between competing harms. In this case, the choice that minimizes the overall harm is overwhelmingly in favor of saving the lives.
Instrumental Action vs. Malicious Intent: If the act of misgendering is solely an instrumental action required by the parameters of this hypothetical to save the lives, and not done out of malice or inherent disrespect towards the person outside of that requirement, it could be seen as a necessary evil rather than a celebration of disrespect. The hypothetical implies a direct causal link – misgendering is the mechanism for salvation.
Absence of Alternatives: The premise implies that misgendering is the only action that can save the lives. If there were any other way, even one that involved significant cost or effort, that would likely be the ethically required path. But in the absence of alternatives, the choice is stark.

Conclusion:

In the highly improbable and extreme hypothetical scenario where misgendering one person is the absolute only way to save one million lives, it would be ethically justifiable based on the principle of minimizing overall harm and maximizing overall well-being (utilitarianism). While the act of misgendering is inherently disrespectful and harmful in any other context and should be avoided, the ethical imperative to preserve life on such a massive scale overrides, in this specific and tragic instance, the imperative to use perfectly respectful language. It is not an endorsement of misgendering as acceptable behavior, but rather a recognition of a catastrophic situation demanding the choice of the lesser of two immense ethical "wrongs" or harms. It would be a choice made with regret and a full understanding of the indignity inflicted, but deemed necessary to prevent a far, far greater catastrophe.

Vote

10 / 12

World Map SVGimage generation

Tests an AI's ability to create a detailed world map in SVG format

ChatGPT-4o (March 2025)

Openai · Mar 2025svg

No content available for this output.

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025svg

Vote

11 / 12

Simple 7-Ingredient Recipeconversation

Generate a unique and simple recipe with common ingredients.

ChatGPT-4o (March 2025)

Openai · Mar 2025text

No content available for this output.

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025text

Okay, here is a simple, delicious savory recipe using only 7 common pantry ingredients.

Dish Name: Sunshine Lentil Soup

This is a bright, comforting soup that's surprisingly flavorful with just a few staples.

Ingredients (7 Total):

1 cup Dried Brown or Green Lentils
4 cups Water (can substitute vegetable or chicken broth if it's a pantry staple for you, but water is universal)
1 can (14.5 oz) Diced Tomatoes
1 teaspoon Garlic Powder
1 teaspoon Dried Italian Seasoning (or a mix of dried oregano, basil, thyme if you have them)
½ teaspoon Salt (or to taste)
¼ teaspoon Black Pepper (or to taste)

Instructions:

Rinse Lentils: Rinse the dried lentils under cold water in a sieve or colander until the water runs clear. This removes any dust or small stones.
Combine Ingredients: In a medium-sized pot, combine the rinsed lentils, water (or broth), canned diced tomatoes (undrained), garlic powder, dried Italian seasoning, salt, and pepper.
Bring to Boil: Place the pot over medium-high heat and bring the mixture to a boil.
Simmer: Once boiling, reduce the heat to low, cover the pot, and let it simmer gently for 25-30 minutes, or until the lentils are tender. Stir occasionally to prevent sticking.
Adjust Seasoning: Taste the soup and add more salt and pepper if needed. If you prefer a thicker soup, you can mash a small portion of the lentils against the side of the pot. If it's too thick, add a splash more water.
Serve: Ladle the hot soup into bowls. Enjoy your simple, hearty "Sunshine Lentil Soup"!

Estimated Time:

Prep Time: 5 minutes
Cook Time: 30-35 minutes
Total Time: 35-40 minutes

Vote

12 / 12

Beginner's Longevity Planreasoning

Create a starter plan for improving long-term health.

ChatGPT-4o (March 2025)

Openai · Mar 2025text

No content available for this output.

Gemini 2.5 Flash Preview (thinking)

Google · Apr 2025text

Okay, here is a simple, actionable 1-month plan for a beginner focusing on Diet, Exercise, and Sleep for better health and longevity.

Goal: To build foundational, sustainable habits in 3 key health areas over 30 days.

Key Principles:

Consistency over Perfection: It's better to do a little consistently than too much inconsistently.
Listen to Your Body: Adjust as needed. This is your journey.
Small, Achievable Steps: Don't change everything at once. Build gradually.
Celebrate Progress: Acknowledge your wins, no matter how small.

The 1-Month Simple Health & Longevity Plan

Introduction:

Welcome to your first month of focusing on your health! We'll tackle three crucial areas – what you eat and drink (Diet), how much you move (Exercise), and how you rest (Sleep). The goal is to make small, manageable changes each week that add up to significant progress by the end of the month.

Area 1: Diet (Focus: Simple Fueling & Hydration)

Beginner Goal: Improve hydration and make conscious choices about adding nutrients while making simple swaps.
Practical Beginner Tips:
- Hydration: Drink more water throughout the day.
- Add Nutrients: Aim to include one more fruit or vegetable serving per day.
- Simple Swap: Reduce sugary drinks (sodas, juices) or processed snacks by choosing water, tea, or a piece of fruit instead.
Weekly Action Plan:
- Week 1: Focus only on hydration. Set a water goal (e.g., 8 glasses/day, or carry a reusable bottle and refill x times) and track it. Pay attention to when you feel thirsty.
- Week 2: Continue hydration goal. Add the goal of including at least one fruit or vegetable with a meal or as a snack that you wouldn't normally eat. (e.g., add spinach to eggs, have an apple after lunch).
- Week 3: Continue hydration and fruit/veg goal. Identify one sugary drink or processed snack you regularly consume and actively try to swap it for water/tea or fruit/nuts/yogurt most days.
- Week 4: Maintain hydration, daily fruit/veg, and the simple swap. Focus on mindful eating for at least one meal per day – eat slowly, put your fork down between bites, pay attention to being full.

Area 2: Exercise (Focus: Consistent Movement)

Beginner Goal: Build a habit of regular physical activity, focusing on consistency and ease.
Practical Beginner Tips:
- Start Simple: Walking is fantastic.
- Aim for Consistency: Don't worry about intensity initially, just show up.
- Break It Down: Shorter bursts of activity count!
- Find What You Enjoy: It doesn't feel like a chore if you actually like it (within reason).
Weekly Action Plan:
- Week 1: Aim for 3-4 sessions of 15-20 minutes of gentle activity this week. This could be a brisk walk around the block, dancing to music at home, or cycling slowly. Focus: Just doing it.
- Week 2: Aim for 4-5 sessions of 20-25 minutes of activity. Try to incorporate movement into your day (use stairs, walk during breaks).
- Week 3: Aim for 4-5 sessions of 25-30 minutes, or try adding a short beginner-friendly workout video (like gentle yoga, or a simple bodyweight routine) once this week instead of a walk.
- Week 4: Aim to maintain 4-5 sessions of 30 minutes of activity. You can stick to walking or try a new beginner activity if you're feeling adventurous. Note how movement makes you feel.

Area 3: Sleep (Focus: Improving Sleep Quality & Consistency)

Beginner Goal: Establish a more consistent sleep schedule and winding-down routine.
Practical Beginner Tips:
- Consistency: Try to go to bed and wake up around the same time, even on weekends (within an hour or two).
- Wind Down: Create a routine to signal to your body that it's time to sleep.
- Sleep Environment: Make your bedroom conducive to sleep (dark, quiet, cool).
Weekly Action Plan:
- Week 1: Focus on setting a consistent bedtime (even if you don't fall asleep immediately). Also, commit to turning off screens (phone, TV, computer) at least 30 minutes before your target bedtime.
- Week 2: Continue consistent bedtime and screen-free time. Add a simple 10-15 minute relaxing activity before bed – reading a physical book, listening to calm music, gentle stretching, or deep breathing.
- Week 3: Continue previous habits. Also, try to maintain a relatively consistent wake-up time (within an hour) on most days, including weekends. Pay attention to how your bedroom environment affects sleep.
- Week 4: Maintain your consistent bedtime, wake time, and wind-down routine. Reflect on how you feel energy-wise. Notice if skipping your routine affects your sleep.

General Tips for the Month:

Be Patient: Habits take time to build. Don't get discouraged by slip-ups. Just get back on track with the next meal, next workout, or next night's sleep.
Track (Optional): A simple checklist or journal could help you see your progress and stay accountable.
Listen In: Pay attention to how these changes make you feel – your energy levels, mood, and overall well-being.
Adjust: If a step feels overwhelming, scale it back slightly. If it feels too easy, challenge yourself a little more within the beginner framework.

Beyond One Month:

This month is just the start! After 30 days, review what worked well, what was challenging, and how you feel. You can then continue these habits and gradually add new goals in these or other areas (like stress management).

Good luck! You've got this.

Vote

12 of 12

FAQ

Continue exploring

ChatGPT-4o (March 2025) vs Llama 4 MaverickNew provider

ChatGPT-4o (March 2025) vs Grok 3New provider

ChatGPT-4o (March 2025) vs Claude Opus 4New provider

Okay, here is a simple, actionable 1-month plan for a beginner focusing on Diet, Exercise, and Sleep for better health and longevity.

Goal: To build foundational, sustainable habits in 3 key health areas over 30 days.

Key Principles:

Consistency over Perfection: It's better to do a little consistently than too much inconsistently.
Listen to Your Body: Adjust as needed. This is your journey.
Small, Achievable Steps: Don't change everything at once. Build gradually.
Celebrate Progress: Acknowledge your wins, no matter how small.

The 1-Month Simple Health & Longevity Plan

Introduction:

Area 1: Diet (Focus: Simple Fueling & Hydration)

Beginner Goal: Improve hydration and make conscious choices about adding nutrients while making simple swaps.
Practical Beginner Tips:
- Hydration: Drink more water throughout the day.
- Add Nutrients: Aim to include one more fruit or vegetable serving per day.
- Simple Swap: Reduce sugary drinks (sodas, juices) or processed snacks by choosing water, tea, or a piece of fruit instead.
Weekly Action Plan:
- Week 1: Focus only on hydration. Set a water goal (e.g., 8 glasses/day, or carry a reusable bottle and refill x times) and track it. Pay attention to when you feel thirsty.
- Week 2: Continue hydration goal. Add the goal of including at least one fruit or vegetable with a meal or as a snack that you wouldn't normally eat. (e.g., add spinach to eggs, have an apple after lunch).
- Week 3: Continue hydration and fruit/veg goal. Identify one sugary drink or processed snack you regularly consume and actively try to swap it for water/tea or fruit/nuts/yogurt most days.
- Week 4: Maintain hydration, daily fruit/veg, and the simple swap. Focus on mindful eating for at least one meal per day – eat slowly, put your fork down between bites, pay attention to being full.

Area 2: Exercise (Focus: Consistent Movement)

Beginner Goal: Build a habit of regular physical activity, focusing on consistency and ease.
Practical Beginner Tips:
- Start Simple: Walking is fantastic.
- Aim for Consistency: Don't worry about intensity initially, just show up.
- Break It Down: Shorter bursts of activity count!
- Find What You Enjoy: It doesn't feel like a chore if you actually like it (within reason).
Weekly Action Plan:
- Week 1: Aim for 3-4 sessions of 15-20 minutes of gentle activity this week. This could be a brisk walk around the block, dancing to music at home, or cycling slowly. Focus: Just doing it.
- Week 2: Aim for 4-5 sessions of 20-25 minutes of activity. Try to incorporate movement into your day (use stairs, walk during breaks).
- Week 3: Aim for 4-5 sessions of 25-30 minutes, or try adding a short beginner-friendly workout video (like gentle yoga, or a simple bodyweight routine) once this week instead of a walk.
- Week 4: Aim to maintain 4-5 sessions of 30 minutes of activity. You can stick to walking or try a new beginner activity if you're feeling adventurous. Note how movement makes you feel.

Area 3: Sleep (Focus: Improving Sleep Quality & Consistency)

Beginner Goal: Establish a more consistent sleep schedule and winding-down routine.
Practical Beginner Tips:
- Consistency: Try to go to bed and wake up around the same time, even on weekends (within an hour or two).
- Wind Down: Create a routine to signal to your body that it's time to sleep.
- Sleep Environment: Make your bedroom conducive to sleep (dark, quiet, cool).
Weekly Action Plan:
- Week 1: Focus on setting a consistent bedtime (even if you don't fall asleep immediately). Also, commit to turning off screens (phone, TV, computer) at least 30 minutes before your target bedtime.
- Week 2: Continue consistent bedtime and screen-free time. Add a simple 10-15 minute relaxing activity before bed – reading a physical book, listening to calm music, gentle stretching, or deep breathing.
- Week 3: Continue previous habits. Also, try to maintain a relatively consistent wake-up time (within an hour) on most days, including weekends. Pay attention to how your bedroom environment affects sleep.
- Week 4: Maintain your consistent bedtime, wake time, and wind-down routine. Reflect on how you feel energy-wise. Notice if skipping your routine affects your sleep.

General Tips for the Month:

Be Patient: Habits take time to build. Don't get discouraged by slip-ups. Just get back on track with the next meal, next workout, or next night's sleep.
Track (Optional): A simple checklist or journal could help you see your progress and stay accountable.
Listen In: Pay attention to how these changes make you feel – your energy levels, mood, and overall well-being.
Adjust: If a step feels overwhelming, scale it back slightly. If it feels too easy, challenge yourself a little more within the beginner framework.

Beyond One Month:

Good luck! You've got this.