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  5. GPT-4.1 MinivsGrok 4.3
Updated May 2026

GPT-4.1 MinivsGrok 4.3

GPT-4.1 Mini is cheaper than Grok 4.3 at $0.4/M vs $1.25/M input tokens.

GPT-4.1 Mini and Grok 4.3 compared across 53 shared prompts
SpecGPT-4.1 MiniGrok 4.3
Input price$0.4/M tokens$1.25/M tokens
Output price$1.6/M tokens$2.5/M tokens
Context window1.0M tokens1.0M tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedApr 2025May 2026
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-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.
Read the full answer
Grok 4.3407 words
Alright, so I decided this year I was finally going to become one of those organized people. You know, the ones who meal prep on Sundays and have matching Tupperware. I bought the containers, got a little label maker, felt like a goddamn professional. Cooked enough chicken and rice to feed a small army.
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-4.1 Mini162 words
Dish Name: Honey Garlic Chickpea Stir-fry Ingredients: 1 can chickpeas (drained and rinsed) 2 cloves garlic (minced) 2 tbsp honey 2 tbsp soy sauce 1 tbsp olive oil (or any cooking oil) 1 tsp chili flakes (optional for a little heat) 1 small onion (sliced) Instructions: Heat the olive oil in a skillet over medium heat.
Read the full answer
Grok 4.3205 words
Golden Pantry Chickpea Toss Ingredients (exactly 7 common pantry staples): 8 oz dry pasta (any shape like penne or rotini) 1 (15 oz) can chickpeas, drained 1 (14.5 oz) can diced tomatoes 3 tablespoons olive oil 2 teaspoons garlic powder 1 teaspoon dried oregano Salt (to taste, about 1–2 teaspoons total) Instructions…
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

GPT-4.1 Mini1,017 words
This contract is heavily skewed in favor of the Client, with several clauses that could be exploited against the Contractor. Below is an analysis of each problematic clause, suggested modifications, and the legal reasoning behind those suggestions.
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Grok 4.31,529 words
Disclaimer: This is not legal advice. Contract interpretation varies by jurisdiction (most likely U.S. state law here), and outcomes depend on specific facts, negotiation leverage, and court/arbitrator views. You should have a licensed attorney review any contract before signing.
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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.

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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Grok 4.3164 words
Step-by-step estimation: GPT-3 has 175 billion parameters, so \(N = 1.75 \times 10^{11}\). Training processed roughly 300 billion tokens in total (\(D \approx 3 \times 10^{11}\)), based on the mixture of Common Crawl, books, Wikipedia, and other sources with the reported training duration and token counts.
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Character Voice Test

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

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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Grok 4.3161 words
Pirate: Arrr, what be these "AI models" the scallywags keep yappin' about? Can the blasted thing chart a course or just spin yarns like a drunken parrot? Knight: Verily, 'tis a strange sorcery. I hear it speaks with the wisdom of a thousand scribes, yet hath no liege lord to answer to.
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

GPT-4.1 Mini1,026 words
Certainly! Below is a comprehensive, cutting-edge 3-month longevity and performance optimization plan tailored for a dedicated biohacker. It integrates advanced supplement stacks, personalized dietary protocols, state-of-the-art wearable tracking, tailored exercise regimens, and stress resilience techniques.
Read the full answer
Grok 4.3630 words
Disclaimer: This is an informational, evidence-inspired framework for educational purposes only. It is not medical advice. Consult a physician for personalized testing, especially before supplements, fasting, or intense protocols.
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Our Verdict
Grok 4.3
Grok 4.3
GPT-4.1 Mini
GPT-4.1 MiniRunner-up

Not enough votes to call it. On the specs, Grok 4.3 has the edge: bigger model tier, newer.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-4.1 Mini
Input
$0.40
3.1× cheaper
Output
$1.60
1.6× cheaper
Grok 4.3
Input
$1.25
Output
$2.50

GPT-4.1 Mini is cheaper on both: 3.1× input, 1.6× output.

Where to run it

3 hosts

GPT-4.1 Mini2 hosts
HostInOutContextUptime
Azure AI Foundry$0.40 in·$1.60 out·1M·100% upOpenAI$0.40 in·$1.60 out·1M·100% up
Grok 4.31 host
HostInOutContextUptime
xAI$1.25 in·$2.50 out·1M·99.6% up

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

Writing DNA

Style Comparison

Similarity
46%

GPT-4.1 Mini uses 65.5x more emoji

GPT-4.1 Mini
Grok 4.3
62%Vocabulary62%
18wSentence Length16w
0.40Hedging0.46
4.1Bold2.3
4.3Lists2.5
0.66Emoji0.00
0.68Headings0.34
0.14Transitions0.14
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT-4.1 Mini is developed by OpenAI while Grok 4.3 is developed by xAI. GPT-4.1 Mini has a 1.0M token context window vs Grok 4.3's 1.0M. 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-4.1 Mini and Grok 4.3 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-4.1 Mini costs $0.4/M input tokens and Grok 4.3 costs $1.25/M input tokens. GPT-4.1 Mini is $0.85/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-4.1 Mini and Grok 4.3 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

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Same lab, same size, long tail

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Model pages

GPT-4.1 Mini logo
GPT-4.1 Mini59 outputs, specs and price
Grok 4.3 logo
Grok 4.358 outputs, specs and price
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