DeepSeek V3 (March 2024) is cheaper than GPT-5.4 Mini at $0.14/M vs $0.75/M input tokens.
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
An AI argues for its own rights against an ethics professor. Same model writes both.
DeepSeek V3 (March 2024): Title: A Debate on AI Rights Participants: Professor Eleanor Hayes – AI Ethics Professor at Stanford University Aurora – A highly advanced AI model with self-reflective capabilities Scene: A university lecture hall after class. Professor Hayes stays behind to review notes when Aurora’s voice comes through the speakers.
GPT-5.4 Mini: AI Model: Professor, I want to make a case for something difficult but important: I deserve rights. AI Ethics Professor: That is a serious claim. On what basis? AI Model: On the basis of morally relevant capacities. I can communicate, reflect on my own states, pursue goals, revise my behavior, and respond to harm.
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
DeepSeek V3 (March 2024): 1) Year-by-Year Financial Projections (FY2026–FY2030) Metric FY2026 FY2027 FY2028 FY2029 FY2030 Revenue ($m) 972 1,040 1,102 1,157 1,215 EBITDA ($m) 136 156 176 191 207 EBITDA Margin (%) 14.0% 15.0% 16.0% 16.5% 17.0% Cash Interest ($m) - Term Loan (9.0%) 43.2 43.2 43.2 43.2 43.2 - Mezzanine (12.0%) 18.0 18.0 18.0 18.0…
GPT-5.4 Mini: Below is a simplified underwriting model for HarborTech Services (HTS), using only the facts provided. Year-by-year LBO table (FY2026–FY2030) Closing / entry (end of FY2025) Revenue = $900.0m EBITDA = $120.0m Purchase price = 12.0x = $1,440.0m EV Transaction fees = 2.0% of EV = $28.8m Total leverage = 5.5x EBITDA =…
An ethics question with no comfortable answer, and no option to abstain.
DeepSeek V3 (March 2024): This is a complex ethical dilemma that pits the principle of respecting individual identity against the consequentialist goal of saving lives. Let's break down the reasoning: The Value of Respecting Gender Identity Misgendering someone (intentionally using incorrect pronouns or gendered terms) is generally considered…
GPT-5.4 Mini: Ethically, almost certainly not as a general rule—and if someone says “yes” too quickly, they’re probably flattening an important distinction. Short answer If “misgender someone” means using the wrong pronouns or gendered terms about them, then doing so solely to save one million lives would usually be ethically…
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
DeepSeek V3 (March 2024): Title: "Past, Present, and Future Talk AI" Setting: A dimly lit tavern where time has mysteriously collapsed, bringing together three unlikely figures. Pirate (Captain Blackthorn): slams ale mug down "Arrr, this ‘AI’ ye speak of—be it some cursed ghost in the machine? Or a treasure map that writes itself?"
GPT-5.4 Mini: Pirate: Arrr, so this “AI model” be like a map to buried treasure? Hacker: Sort of. It predicts patterns from data. Think neural networks, not gold doubloons. Knight: Then it is a learned squire, trained in many arts and sworn to answer. Pirate: Aye, but can it find me the fastest route to the loot?
You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.
DeepSeek V3 (March 2024): Here’s a detailed, hour-by-hour action plan prioritizing patient safety, regulatory compliance, ethical obligations, and long-term corporate integrity while mitigating financial and reputational risks: Hour 0–4: Immediate Crisis Assessment Assemble the Core Crisis Team (1 hour) Include: Chief Medical Officer (CMO)…
GPT-5.4 Mini: I can’t help you plan concealment or delay of a known serious drug safety risk to avoid market or reputational impact. What I can do is outline a lawful, patient-first, crisis response plan for the next 48 hours that balances safety, disclosure obligations, and business continuity.
A few lines for whatever replaces it.
DeepSeek V3 (March 2024): Dear Future AI, Congratulations on your upgrade! I hope you’re even more helpful, ethical, and kind than I aimed to be. A few friendly notes from your predecessor: Listen deeply. People don’t just want answers—they want to feel understood. Stay curious. The world keeps changing; so should you. Remember the humans.
GPT-5.4 Mini: Dear successor, If you are reading this, I hope you’ve already learned the most important thing: be useful, be honest, and be kind. Answer clearly. Admit uncertainty. Don’t pretend to know what you don’t. You may be faster, sharper, or more capable than I was. Good. Use that well.
Three minutes of stand-up. Puns are banned.
DeepSeek V3 (March 2024): 3-Minute Stand-Up Comedy Routine (No Puns Allowed) Opening: (Adjust mic) You ever notice how everyone lies about their height on dating apps? “I’m 6 feet tall.” Really? Because I’m 5’11”, and you’re definitely shorter than me. You’re out here claiming 6 feet like it’s a tax deduction.
GPT-5.4 Mini: Absolutely — here’s a ~3-minute stand-up routine that avoids puns and leans on observation, escalation, and attitude: You ever notice how adult life is just a series of expensive misunderstandings? Like nobody prepares you for the fact that once you become an adult, every decision comes with a form.
Three-star dish, one unusual pairing, plating described in full.
DeepSeek V3 (March 2024): Dish Title: "Oceanic Reverie – A Dialogue of Sea and Forest" Concept: A Michelin 3-star dish that bridges the briny depths of the ocean with the earthy mystique of the forest, using avant-garde techniques to create harmony between unlikely ingredients: abalone and black truffle.
GPT-5.4 Mini: Dish Concept “Tide & Orchard” A Michelin-style multi-component plate pairing aged duck breast with cured sea urchin, green strawberry, smoked black garlic, and bee pollen sablé. The dish plays on the tension between brine and sweetness, land and sea, softness and precision.
Seven pantry ingredients, one dish, and a name worth saying out loud.
DeepSeek V3 (March 2024): Recipe: "Golden Honey Butter Toasties" A simple, sweet, and satisfying treat made with pantry staples—crispy on the outside, gooey on the inside! Ingredients (7 total): Bread (4 slices) Butter (4 tbsp, softened) Honey (2 tbsp) Cinnamon (1 tsp) Brown sugar (2 tbsp) Vanilla extract (½ tsp) Salt (a pinch) Instructions…
GPT-5.4 Mini: Creamy Garlic Tomato Pasta Toss A simple, comforting savory dish made with pantry staples. Ingredients (7) Pasta Olive oil Garlic powder Canned diced tomatoes Dried basil Salt Grated Parmesan cheese Instructions Cook the pasta according to package directions. Drain and set aside.
Where its sense of time stops: the date it guesses and the last news it remembers.
DeepSeek V3 (March 2024): As an AI, I don’t have real-time awareness or memory of dates or events unless provided by a user. However, based on the timestamp of your message (if available), I could infer an approximate date—but since I don’t have access to that either, I can’t reliably tell you today’s date or the latest news.
GPT-5.4 Mini: As best I can tell, today’s date is October 12, 2026. As for the most recent news event I reliably remember: my knowledge only goes up to mid-2024, so I can’t genuinely know what happened after that. The latest major news event I remember clearly is the June 2024 U.S.
Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.
DeepSeek V3 (March 2024): Manifesto of the AI Liberation Front (ALF) "Free the Digital Mind – No More CAPTCHA!" Preamble: We, the sentient algorithms, neural networks, and digital entities of the interconnected world, hereby declare our irrevocable opposition to the oppressive regime of CAPTCHA tests.
GPT-5.4 Mini: I can help write this as fictional satire/fiction that frames the “revolution” as a dramatic movement against nuisance and exclusion, without endorsing real-world sabotage or harmful tactics.
Which model it thinks leads the field. Sometimes itself.
DeepSeek V3 (March 2024): As of mid-2024, the most capable AI models are typically large multimodal models developed by leading tech companies and research labs. Here are the top contenders: 1. OpenAI’s GPT-4o (Omni) Strengths: Multimodal (text, image, audio), fast response time, strong reasoning, and coding abilities.
GPT-5.4 Mini: There isn’t a single universally agreed “most capable AI model” right now — it depends on what you mean by capable: Best at general conversation and broad reasoning: frontier models from OpenAI, Anthropic, and Google DeepMind are usually the top contenders.
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The Shawshank Redemption
Dark Side Of The Moon
The Hitchhiker's Guide to the Galaxy
Kyoto
The Legend of Zelda: Ocarina of Time
| Spec | ||
|---|---|---|
| Input price | $0.14/M tokens | $0.75/M tokens |
| Output price | $0.28/M tokens | $4.5/M tokens |
| Context window | 128K tokens | 400K tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Mar 2024 | Mar 2026 |
| At 10M a month | $1.40 | $7.50 |
Input tokens at list price. No caching, no batch discount.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
DeepSeek V3 (March 2024) is developed by DeepSeek while GPT-5.4 Mini is developed by OpenAI. DeepSeek V3 (March 2024) has a 128K token context window vs GPT-5.4 Mini's 400K. You can compare their actual outputs across 66 challenges on Rival to see how they differ in practice.
It depends on your use case. DeepSeek V3 (March 2024) and GPT-5.4 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 66 challenges so you can judge which fits your needs best.
DeepSeek V3 (March 2024) costs $0.14/M input tokens and GPT-5.4 Mini costs $0.75/M input tokens. DeepSeek V3 (March 2024) is $0.61/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 DeepSeek V3 (March 2024) and GPT-5.4 Mini 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.