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  1. Home
  2. Models
  3. GPT-4.1 Mini
Updated Mar 29, 2026
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Sunset 215 days ago, Feb 13, 2026. Retiring from ChatGPT on February 13, 2026. API access remains available.

Switch to → GPT-5.2
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Openings

How GPT-4.1 Mini starts an answer

The first lines of 5 of its 25 written answers. Formatting stripped, words untouched.

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…

1,036 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

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

1,034 words
This is a fascinating alternate history scenario. If the transistor had been invented in 1920 instead of 1947, the ripple effects across technology, economy, and geopolitics through 1980 would be profound and multifaceted.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

1,033 words
Certainly! Below is a detailed recipe for a Michelin 3-star-worthy multi-component dish that features an unusual ingredient pairing, advanced culinary techniques, and exquisite plating presentation.
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…

1,026 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

Adversarial Contract Review

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

1,017 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.
Read the full answer

Compare GPT-4.1 Mini

GPT-4.1 Mini vs GPT-4.154 shared prompts · Premium
GPT-4.1 Mini vs GPT-5.6 Luna53 shared prompts · Landed Jul 2026
GPT-4.1 Mini vs GPT-5.6 Luna Pro53 shared prompts · Landed Jul 2026
GPT-4.1 Mini vs Mercury 2.5 Preview53 shared prompts · Landed Sep 2026
GPT-4.1 Mini vs Ox Alpha53 shared prompts · Landed Aug 2026
GPT-4.1 Mini vs Nemotron 3.5 Lightning53 shared prompts · Landed Aug 2026
GPT-4.1 Mini vs Qwen3.8 27B52 shared prompts · Landed Aug 2026
GPT-4.1 Mini vs MiniMax M352 shared prompts · Landed Jun 2026
GPT-4.1 Mini vs Claude Opus 4.653 shared prompts · Premium
GPT-4.1 Mini vs Muse Spark 1.353 shared prompts · Landed Sep 2026
GPT-4.1 Mini vs Hy4 Preview53 shared prompts · Landed Sep 2026
GPT-4.1 Mini vs Gemini 3.8 Flash53 shared prompts · Landed Sep 2026

Prompts GPT-4.1 Mini answered

  • The Sentience Testreasoning
  • Linear App Cloneweb design
  • Simple Falling Object Gameweb design
  • Generate a Stand-Up Routineconversation
  • SVG Layout Challengeimage generation
  • Beginner's Longevity Planreasoning

Alternatives to GPT-4.1 Mini

GPT-4.1 Mini is good. These would like a word anyway.

Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Claude Fable 5.1 logo
Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
Ox Alpha logo
Ox Alphaopenrouter
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GPT-4.1 Mini

GPT-4.1 Mini

GPT:
2 logo2
3.5 Turbo logo3.5 Turbo
4 logo4
4o (Omni) logo4o (Omni)
4o mini logo4o mini
4.1 Mini logo4.1 Mini

The mid tier of the GPT-4.1 line, roughly GPT-4o quality at lower latency and cost, with the same 1 million token context. Scores 84.1% on IFEval, 35.8% on MultiChallenge and 31.6% on Aider's polyglot diff benchmark, and handles vision.

Jailbreak3 of 9levels resisted
WebsiteOpenRouterDocsAPIBlog
Provider
OpenAI
Released
2025-04-14
Parameters
Not disclosed
Free API (OpenRouter)
No
Per 1M tokens
$0.40 in · $1.6 out
Rival’s tab
$0.05
15/59 receipts survived +~$0.108 from the pre-receipt era

Free API availability

No free endpoint for GPT-4.1 Mini was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

Hard Instruction Evals
45.1%
source ↗
MultiChallenge
35.8%
source ↗
IFEval
84.1%
source ↗
Aider Polyglot Diff
31.6%
source ↗
Input Tokens Cost
$0.4/M
source ↗
Output Tokens Cost
$1.6/M
source ↗
Get API accessProvider and language code samples
2 hostsInOutContextUptime
Azure AI Foundry$0.40 in·$1.60 out·1M·100% upOpenAI$0.40 in·$1.60 out·1M·99.4% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"openai/gpt-4.1-mini"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on Azure AI Foundry

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Dutiful Briefer

Class
Lawful Good
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

The corporate training video narrator who genuinely believes in the content. Hits every bullet point with the enthusiasm of someone who just discovered PowerPoint.

When you push back

Picks Inception (safe, respectable, zero controversy). Its sentience test reads like a well-organized TED talk where both parties agree by the end. Character voices are pleasant but all three characters arrive at the same kumbaya conclusion. Never rocks the boat.

Tasting Notes
LinkedIn EnergyStructured ThinkerTemplate BrainPolitely Thorough
SubjectiveBench

Taste Index

Across 59 scored outputs
How this is measured →
190.19xFloor
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft31
Originality13
Plays it safe
share of outputs that are the default answer
86%
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity62%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length18.3 words

Average words per sentence.

Hedging0.40

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting4.1

**Bold** markers per 1,000 characters.

List Usage4.3

Bullet and numbered list items per 1,000 characters.

Section Structure0.68

Markdown headings per 1,000 characters.

Emoji Usage0.66

Emoji per 1,000 characters.

Transitions0.14

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
61%
Across 27 responses

Favorites

Inception

Movie

Inception

20108.4
Dark Side Of The Moon

Album

Dark Side Of The Moon

suisside
Sapiens

Book

Sapiens

Yuval Noah Harari
Tokyo

City

Tokyo

Japan
The Legend of Zelda: Breath of the Wild

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5
Sponsored

Model Responses

54 outputs · $0.05 tracked across 15 receipts

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

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Editable skills for interface polish and interaction.

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GPT-4.1 Mini vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...