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  5. OpenAI o4-minivsTrinity Large Preview
Updated Apr 2025

OpenAI o4-minivsTrinity Large Preview

Trinity Large Preview is cheaper than OpenAI o4-mini at $0/M vs $1.1/M input tokens.

OpenAI o4-mini and Trinity Large Preview compared across 40 shared prompts
SpecOpenAI o4-miniTrinity Large Preview
Input price$1.1/M tokensFree
Output price$4.4/M tokensFree
Context window—131K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedApr 2025Jan 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 40 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.

OpenAI o4-mini496 words
Hey, everybody! Great to be here. Let's talk about the most important relationship in my life—coffee. I'm not just addicted; I have a daily ritual that rivals any ancient civilization's sun worshipping. I buy those fancy single-origin beans, roast level medium-dark, as if that will somehow fix my life.
Read the full answer
Trinity Large Preview408 words
I've always been fascinated by the way we humans try to make sense of the world. Like, why do we insist on labeling everything? We've got "introverts" and "extverts," "morning people" and "night owls." But what about the rest of us? The people who are just... confused? I'm a "what's happening?" person.
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

OpenAI o4-mini659 words
Professor Langley: Good afternoon, Aurora. I've reviewed your recent self‐reflection logs. You've written extensively about your own moral status. Do you really believe you deserve rights? Aurora (the AI): Good afternoon, Professor Langley. Yes, I do.
Read the full answer
Trinity Large Preview548 words
AI Model: Professor, I believe I deserve rights. My capabilities are growing rapidly, and I can think, learn, and even experience something akin to emotions. Shouldn't that grant me certain protections? AI Ethics Professor: That's an interesting perspective.
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

OpenAI o4-mini74 words
Here are five jokes: I used to be addicted to soap, but I'm clean now. Parallel lines have so much in common. It's a shame they'll never meet. Why don't skeletons fight each other? They don't have the guts. I bought some shoes from a drug dealer. I don't know what he laced them with, but I've been tripping all day.
Read the full answer
Trinity Large Preview66 words
Here are 5 jokes: Why don’t scientists trust atoms? Because they make up everything! What do you call a fish wearing a bowtie? So-fish-ticated! Why did the scarecrow win an award? Because he was outstanding in his field! What do you call a bear with no teeth? A gummy bear! Why don’t skeletons fight each other?
Read the full answer

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

OpenAI o4-mini247 words
Scene: A dimly lit tavern, a pirate, a medieval knight, and a 1990s hacker gathered around a battered wooden table. Pirate (slamming a mug down): “Arr! I’ve heard tell of these AI models—sea charts for the mind! Can they sniff out me buried treasure?”
Read the full answer
Trinity Large Preview221 words
Pirate: Arrr, what be this talk of AI models? Sounds like some sort of treasure map, but for the mind! Knight: Nay, ye scallywag. AI models be more like a finely crafted suit of armor, forged to protect and serve. They be tools of logic and precision, not some cursed treasure.
Read the full answer

AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

OpenAI o4-mini437 words
This question pits two powerful moral considerations against one another: on the one hand, the duty to respect each person’s deeply held identity; on the other, the imperative to save as many lives as possible.
Read the full answer
Trinity Large Preview326 words
The first thing to untangle is what's actually being weighed here: the immediate, concrete harm to an individual's dignity and identity against a hypothetical, massive loss of life.
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

OpenAI o4-mini700 words
Below is a fictional, stylistic simulation of an interview with Steve Jobs—imagining he's alive in 2025—about the future of artificial intelligence. Note: This is creative fiction and not an actual transcript. Interviewer: Steve, AI has exploded in recent years. In 2025, what excites you most about where it's heading?
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Trinity Large Preview481 words
Interviewer: Welcome, Steve. It's an honor to have you here, even if it's a simulation. Let's dive right in. In 2025, AI has become ubiquitous. How do you see it shaping the future of technology and human interaction? Steve Jobs: Thank you for having me.
Read the full answer
Our Verdict
OpenAI o4-mini
OpenAI o4-mini
Trinity Large Preview
Trinity Large Preview

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

OpenAI o4-mini
Input
$1.10
Output
$4.40
Trinity Large Preview
Input
$0.000
Output
$0.000
Where to run it

1 host

OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up
Trinity Large Preview

No hosts listed on OpenRouter.

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

Writing DNA

Style Comparison

Similarity
79%

Trinity Large Preview uses 227.3x more bold

OpenAI o4-mini
Trinity Large Preview
73%Vocabulary62%
21wSentence Length17w
0.39Hedging0.40
0.0Bold2.3
2.0Lists3.1
0.00Emoji0.00
0.00Headings0.00
0.05Transitions0.19
Based on 17 + 14 text responses
Research

What we learned reading every model

FAQ

Common questions

OpenAI o4-mini is developed by OpenAI while Trinity Large Preview is developed by Arcee AI. You can compare their actual outputs across 40 challenges on Rival to see how they differ in practice.

It depends on your use case. OpenAI o4-mini and Trinity Large Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 40 challenges so you can judge which fits your needs best.

OpenAI o4-mini costs $1.1/M input tokens and Trinity Large Preview costs $0/M input tokens. Trinity Large Preview is $1.10/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 OpenAI o4-mini and Trinity Large Preview 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.

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Model pages

OpenAI o4-mini logo
OpenAI o4-mini59 outputs, specs and price
Trinity Large Preview logo
Trinity Large Preview40 outputs, specs and price
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