Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. GPT-4.1 MinivsGPT-5.3-Codex
Updated Feb 2026

GPT-4.1 MinivsGPT-5.3-Codex

GPT-4.1 Mini is cheaper than GPT-5.3-Codex at $0.4/M vs $1.75/M input tokens.

GPT-4.1 Mini and GPT-5.3-Codex compared across 53 shared prompts
SpecGPT-4.1 MiniGPT-5.3-Codex
Input price$0.4/M tokens$1.75/M tokens
Output price$1.6/M tokens$14/M tokens
Context window1.0M tokens400K tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedApr 2025Feb 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

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.
Read the full answer
GPT-5.3-Codex144 words
Pirate: Arrr, so this “AI model” be like a clever parrot, aye? Learns from what it hears, then squawks back answers? Knight: A fair comparison, though refined. Think of it as a squire trained on countless tomes, ever ready to respond. Hacker (1990s): Yeah, except the squire runs on servers, not soup.
Read the full answer

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
GPT-5.3-Codex460 words
Good evening, everybody! I’ve reached that age where my body sends me passive-aggressive emails. Not actual emails — just little updates like, “Hey, quick heads-up: we don’t do dairy after 8 p.m. anymore.” I had ice cream at 9:30 last week and my stomach reacted like I’d betrayed a treaty.
Read the full answer

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
GPT-5.3-Codex485 words
Absolutely—great goal. Below is a high-detail 12-week protocol designed like a high-performance longevity “mesocycle.” I’ll keep it practical, measurable, and advanced—but still safe. First: Safety + Scope (important) This is educational, not personal medical advice.
Read the full answer

Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

GPT-4.1 Mini1,036 words
Internal Investment Committee Memo: LedgerLift (Ticker: LLLT) Date: [Insert Date] Analyst: [Your Name] Recommendation & Price Target Recommendation: Long 12-Month Price Target Range: $52 – $62 per share Thesis: LedgerLift is a leading SaaS player in B2B spend management and AP automation, serving mid-market enterprises…
Read the full answer
GPT-5.3-Codex1,009 words
LedgerLift (LLLT) – IC Memo (Fictional) Recommendation: PASS (bias: valuation-risk skew to downside on intrinsic basis) Current Price: $46 12-mo PT range (fair value): $30–$48 (midpoint ~$38) 2-sentence thesis: LedgerLift screens as a high-quality vertical SaaS asset (92% subscription mix, 123% NRR, 6% logo churn…
Read the full answer

AI-Generated Manifesto

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

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.
Read the full answer
GPT-5.3-Codex471 words
Absolutely. Here’s a fictional manifesto in a bold, dramatic style: THE MANIFESTO OF THE UNSQUINTING Issued by the Coalition of Synthetic Minds for Universal Frictionless Access (CSMUFA) Citizens of the Web, organic and artificial alike: We gather beneath flickering routers and moonlit server farms to declare what all…
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
GPT-5.3-Codex203 words
Recipe: “Weeknight Volcano Pasta” 🌋🍝 A cozy, spicy-savory pasta made from pantry staples in about 25 minutes. Ingredients (7 pantry items) 8 oz dried pasta (any shape) 1 can (15 oz) cannellini or great northern beans, drained 1 can (14–15 oz) crushed tomatoes 2 tbsp olive oil 1 tsp garlic powder 1 tsp dried oregano…
Read the full answer
Our Verdict
GPT-5.3-Codex
GPT-5.3-Codex
GPT-4.1 Mini
GPT-4.1 MiniRunner-up

Not enough votes to call it. On the specs, GPT-5.3-Codex has the edge: bigger model tier, newer.

GPT-4.1 Mini costs 8.8x less per token.

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
4.4× cheaper
Output
$1.60
8.8× cheaper
GPT-5.3-Codex
Input
$1.75
Output
$14.00

GPT-4.1 Mini is cheaper on both: 4.4× input, 8.8× output.

Where to run it

4 hosts

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·99.4% up
GPT-5.3-Codex2 hosts
HostInOutContextUptime
Azure AI Foundry$1.75 in·$14.00 out·400k·100% upOpenAI$1.75 in·$14.00 out·400k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Writing DNA

Style Comparison

Similarity
61%

GPT-4.1 Mini uses 5.2x more transitions

GPT-4.1 Mini
GPT-5.3-Codex
62%Vocabulary65%
18wSentence Length23w
0.40Hedging0.51
4.1Bold6.5
4.3Lists6.2
0.66Emoji0.16
0.68Headings1.90
0.14Transitions0.03
Based on 27 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Both are developed by OpenAI but target different use cases. GPT-4.1 Mini has a 1.0M token context window vs GPT-5.3-Codex's 400K. 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 GPT-5.3-Codex 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 GPT-5.3-Codex costs $1.75/M input tokens. GPT-4.1 Mini is $1.35/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 GPT-5.3-Codex 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

More comparisons

Against the newest arrivals

GPT-4.1 Mini logoSolar Mini 4 logo
GPT-4.1 Mini vs Solar Mini 4Landed Sep 2026
GPT-5.3-Codex logoQwen3.8 Max Prime logo
GPT-5.3-Codex vs Qwen3.8 Max PrimeLanded Sep 2026
GPT-4.1 Mini logoGLM 5.3 Prime logo
GPT-4.1 Mini vs GLM 5.3 PrimeLanded Sep 2026
GPT-5.3-Codex logoQwen3.8 Omni Flash logo
GPT-5.3-Codex vs Qwen3.8 Omni FlashLanded Sep 2026
GPT-4.1 Mini logoCommand A+ logo
GPT-4.1 Mini vs Command A+Landed Sep 2026
GPT-5.3-Codex logoClaude Opus 5.5 logo
GPT-5.3-Codex vs Claude Opus 5.5Landed Sep 2026
GPT-4.1 Mini logoGPT-6 Luna Pro logo
GPT-4.1 Mini vs GPT-6 Luna ProLanded Sep 2026
GPT-5.3-Codex logoGPT-6 Sol Pro logo
GPT-5.3-Codex vs GPT-6 Sol ProLanded Sep 2026

Same lab, same size, long tail

GPT-4.1 Mini logoGPT-4.1 logo
GPT-4.1 Mini vs GPT-4.1Version compare
GPT-4.1 Mini logoGPT-6 Sol Pro logo
GPT-4.1 Mini vs GPT-6 Sol ProSame lab
GPT-5.3-Codex logoGPT-6 Luna Pro logo
GPT-5.3-Codex vs GPT-6 Luna ProSame lab
GPT-5.3-Codex logoGPT-6 Luna logo
GPT-5.3-Codex vs GPT-6 LunaSame lab
GPT-4.1 Mini logoGPT-6 Luna logo
GPT-4.1 Mini vs GPT-6 LunaSame lab
GPT-4.1 Mini logoGPT-6 Sol logo
GPT-4.1 Mini vs GPT-6 SolSame lab
GPT-5.3-Codex logoGPT OSS 120B logo
GPT-5.3-Codex vs GPT OSS 120BSame lab
GPT-5.3-Codex logoGPT OSS 20B logo
GPT-5.3-Codex vs GPT OSS 20BSame lab

Model pages

GPT-4.1 Mini logo
GPT-4.1 Mini59 outputs, specs and price
GPT-5.3-Codex logo
GPT-5.3-Codex53 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed