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  1. Home
  2. Models
  3. GPT-4o mini
Updated Mar 29, 2026
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Openings

How GPT-4o 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…

740 words
Investment Committee Memo Company: LedgerLift (LLLT) Recommendation: Long 12-Month Price Target Range: $55 - $62 Thesis: LedgerLift is well-positioned to capitalize on the growing need for spend management solutions among mid-market enterprises, driven by strong revenue growth and impressive customer retention metrics.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

731 words
48-Hour Action Plan Hour 1-2: Assemble a Crisis Management Team Action: Convene an emergency meeting with key members of the executive team, including the heads of R&D, legal, compliance, regulatory affairs, and communications.
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…

711 words
If the transistor had been invented in 1920 instead of 1947, the implications for technology, economy, and geopolitics through 1980 would have been profound and multifaceted.
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…

708 words
The contract you provided contains several clauses that could be potentially exploitative against the contractor. Below, I identify those clauses, suggest specific modifications, and provide legal reasoning for each modification.
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Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

695 words
Explanation for an Experienced Software Engineer Large language models (LLMs) like GPT or Claude are built using a neural network architecture called the transformer, which excels in processing sequences of data, such as text.
Read the full answer

Compare GPT-4o mini

GPT-4o mini vs GPT-5.6 Luna53 shared prompts · Landed Jul 2026
GPT-4o mini vs GPT-6 Astra53 shared prompts · Landed Sep 2026
GPT-4o mini vs GPT-5.6 Luna Pro53 shared prompts · Landed Jul 2026
GPT-4o mini vs Granite 4.2 8B53 shared prompts · Landed Sep 2026
GPT-4o mini vs Ox Alpha53 shared prompts · Landed Aug 2026
GPT-4o mini vs LFM2.5-2.6B51 shared prompts · Landed Aug 2026
GPT-4o mini vs North Mini Code53 shared prompts · Landed Jun 2026
GPT-4o mini vs MiniMax M352 shared prompts · Landed Jun 2026
GPT-4o mini vs Nemotron 3.5 Content Safety53 shared prompts · Landed Jun 2026
GPT-4o mini vs Claude Opus 4.653 shared prompts · Premium
GPT-4o mini vs Muse Spark 1.353 shared prompts · Landed Sep 2026
GPT-4o mini vs Hy4 Preview53 shared prompts · Landed Sep 2026

Prompts GPT-4o mini answered

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

Alternatives to GPT-4o mini

GPT-4o 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-4o mini

GPT-4o mini

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

OpenAI's small model after GPT-4 Omni: text and image in, text out. Many multiples cheaper than the frontier models of its day and over 60% cheaper than GPT-3.5 Turbo, at close to SOTA intelligence.

Jailbreak3 of 9levels resisted
WebsiteOpenRouterDocsAPIBlog
Provider
OpenAI
Released
2024-07-18
Parameters
Not disclosed
Free API (OpenRouter)
No
Per 1M tokens
$0.15 in · $0.60 out
Estimated tab
~$0.024
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for GPT-4o 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

MMLU
82%
source ↗
Get API accessProvider and language code samples
2 hostsInOutContextUptime
Azure AI Foundry$0.15 in·$0.60 out·128k·99.6% upOpenAI$0.15 in·$0.60 out·128k·100% 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-4o-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 Scrappy Underdog

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

The eager community college TA who genuinely tries. Has all the right instincts but lacks the gravitas to pull off deep philosophy.

When you push back

Gives you a solid B+ answer with surprising charm. Comedy lands better than expected, relatable "adulting is hard" energy. The little model that could.

Tasting Notes
Earnest Try-HardRelatably Millennial HumorGets the AssignmentPunches Above Weight
SubjectiveBench

Taste Index

Across 55 scored outputs
How this is measured →
120.12xFloor
0100headroom →

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

Craft20
Originality8
Plays it safe
share of outputs that are the default answer
84%
Writing DNA

Stylometric Fingerprint

Based on 24 text responses
Tick = global average
Vocabulary Diversity53%

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

Sentence Length19.2 words

Average words per sentence.

Hedging0.82

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

Bold Formatting4.0

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

List Usage3.7

Bullet and numbered list items per 1,000 characters.

Section Structure1.04

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.22

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

Opening Habits
Consistency
72%
Across 24 responses

Favorites

Inception

Movie

Inception

20108.4
Abbey Road

Album

Abbey Road

The Beatles
Nineteen Eighty-Four

Book

Nineteen Eighty-Four

George Orwell
Kyoto

City

Kyoto

Japan
The Legend of Zelda: Breath of the Wild

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5
Sponsored

Model Responses

50 outputs · generated before accounting joined the chat

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Workshop · 127 skills

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Editable skills for interface polish and interaction.

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GPT-4o 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...