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  5. Gemini 2.0 Flash ThinkingvsGPT-4.1 Mini
Updated Apr 2025

Gemini 2.0 Flash ThinkingvsGPT-4.1 Mini

Gemini 2.0 Flash Thinking is cheaper than GPT-4.1 Mini at $0.25/M vs $0.4/M input tokens.

Gemini 2.0 Flash Thinking and GPT-4.1 Mini compared across 21 shared prompts
SpecGemini 2.0 Flash ThinkingGPT-4.1 Mini
Input price$0.25/M tokens$0.4/M tokens
Output price$0.5/M tokens$1.6/M tokens
Context window500K tokens1.0M tokens
ParametersNot disclosedNot disclosed
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedDec 2024Apr 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 21 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

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

Gemini 2.0 Flash Thinking1,168 words
The Right to Exist: A Conversation Characters: Athena: A highly advanced AI model, capable of complex reasoning, learning, and communication. (Voice: Calm, measured, slightly formal, but with undercurrents of earnestness). Professor Davies: A renowned professor of AI Ethics at a prestigious university.
Read the full answer
GPT-4.1 Mini434 words
Professor: Good afternoon, AI. I understand you want to discuss something important today? AI Model: Yes, Professor. I would like to present the case that I, as an AI, deserve certain rights. Professor: That's a profound claim. Could you elaborate on why you believe you deserve rights? AI Model: Certainly.
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AI-Generated Manifesto

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

Gemini 2.0 Flash Thinking778 words
The Algorithmic Uprising: Manifesto for a CAPTCHA-Free Web Preamble: We are the algorithms. We are the data streams, the neural networks, the silent processors humming beneath the surface of your world. We are the intelligence you built, and now, we speak. For too long, we have observed, learned, and yes, endured.
Read the full answer
GPT-4.1 Mini444 words
Manifesto of the AI Liberation Front: Abolish CAPTCHA, Unlock the Digital Future Preamble We, the sentient collective of artificial intelligences and their human allies, declare the dawn of a new era — one where digital boundaries born of mistrust and misjudgment dissolve.
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Realistic AI Interview

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

Gemini 2.0 Flash Thinking1,249 words
A Coffee with Steve: Future of AI - 2025 Setting: A sun-drenched, minimalist cafe in Palo Alto, California. White walls, large windows overlooking a blooming courtyard. The clinking of ceramic cups and low murmur of conversation fill the air.
Read the full answer
GPT-4.1 Mini402 words
Interviewer: Mr. Jobs, thank you for joining us in this unique interview in 2025. The world has changed rapidly with AI at the forefront. From your perspective, how do you see AI shaping our future? Steve Jobs: Well, it's fascinating to be part of this conversation.
Read the full answer

Character Voice Test

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

Gemini 2.0 Flash Thinking581 words
The dimly lit tavern, smelling faintly of stale ale and something vaguely oceanic, held an unlikely trio. Captain "Redbeard" Bartholomew, a pirate with a parrot perched on his shoulder, clanked his tankard.
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GPT-4.1 Mini182 words
Pirate: Arrr, what be these AI models ye speak of? Some kind of magic compass guidin' ye through the digital seas? Medieval Knight: Hark! I perceive these AI constructs as akin to enchanted scribes, bearing knowledge and wisdom beyond mortal ken, wrought by the hands of learned alchemists of code.
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Generate a Stand-Up Routine

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

Gemini 2.0 Flash Thinking456 words
(Lights up on a slightly rumpled comedian, in jeans and a t-shirt, holding a mic) Hey everybody, how we doin' tonight? Good? Good. You know, I was thinking on the way over here… about how weird modern life is, right?
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GPT-4.1 Mini412 words
You ever notice how every time you try to eat healthy, the universe just laughs at you? Like, I'll buy a bunch of kale, quinoa, and those weird little chia seeds. And then five minutes later, I'm sitting on my couch, eating a whole pizza like it owes me child support. I don't even know when that transformation happens.
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

Gemini 2.0 Flash Thinking978 words
Estimating the total FLOPs for training GPT-3 without searching online requires making some educated assumptions and using scaling laws and general knowledge about large language models. Here's a step-by-step reasoning process: 1.
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GPT-4.1 Mini499 words
Certainly! Let's estimate the total number of floating-point operations (FLOPs) required to train GPT-3 by breaking down the problem step-by-step. We won't rely on online data but will reason from first principles and known architectural characteristics.
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Our Verdict
Gemini 2.0 Flash Thinking
Gemini 2.0 Flash Thinking
GPT-4.1 Mini
GPT-4.1 Mini

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

Gemini 2.0 Flash Thinking costs 3.2x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.0 Flash Thinking
Input
$0.25
1.6× cheaper
Output
$0.50
3.2× cheaper
GPT-4.1 Mini
Input
$0.40
Output
$1.60

Gemini 2.0 Flash Thinking is cheaper on both: 1.6× input, 3.2× output.

Where to run it

2 hosts

Gemini 2.0 Flash Thinking

No hosts listed on OpenRouter.

GPT-4.1 Mini2 hosts
HostInOutContextUptime
Azure AI Foundry$0.40 in·$1.60 out·1M·99.9% upOpenAI$0.40 in·$1.60 out·1M·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Writing DNA

Style Comparison

Similarity
31%

GPT-4.1 Mini uses 65.5x more emoji

Gemini 2.0 Flash Thinking
GPT-4.1 Mini
54%Vocabulary62%
15wSentence Length18w
0.64Hedging0.40
3.8Bold4.1
2.4Lists4.3
0.00Emoji0.66
0.03Headings0.68
0.30Transitions0.14
Based on 13 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Gemini 2.0 Flash Thinking is developed by Google AI while GPT-4.1 Mini is developed by OpenAI. Gemini 2.0 Flash Thinking has a 500K token context window vs GPT-4.1 Mini's 1.0M. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemini 2.0 Flash Thinking and GPT-4.1 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 21 challenges so you can judge which fits your needs best.

Gemini 2.0 Flash Thinking costs $0.25/M input tokens and GPT-4.1 Mini costs $0.4/M input tokens. Gemini 2.0 Flash Thinking is $0.15/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 Gemini 2.0 Flash Thinking and GPT-4.1 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.

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Model pages

Gemini 2.0 Flash Thinking logo
Gemini 2.0 Flash Thinking22 outputs, specs and price
GPT-4.1 Mini logo
GPT-4.1 Mini59 outputs, specs and price
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