GPT-4.1 Mini

Name: GPT-4.1 Mini
Brand: openai
Price: 0.40 USD
Availability: OnlineOnly

GPT:

3.5 Turbo

4o (Omni)

4o mini

4.1 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

Website OpenRouter Docs API Blog

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: 8 Sep 2026OpenRouter 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 out1M99.9% up OpenAI$0.40 in$1.60 out1M99.5% up

Per million tokens. Prices and uptime via OpenRouter, checked 8 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

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

Movie

Inception

20108.4

Album

Dark Side Of The Moon

suisside

Book

Sapiens

Yuval Noah Harari

City

Tokyo

Japan

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

Model Responses

54 outputs · $0.05 tracked across 15 receipts

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COMPARE

GPT-4.1 Mini vs Ox Alpha

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RANKINGS

Best AI for Creative Writing

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GPT-4.1 Mini

Free API availability

Benchmarks

The Dutiful Briefer

Taste Index

Stylometric Fingerprint

Favorites

Model Responses

GPT-4.1 Mini vs Ox Alpha

Best AI for Creative Writing

Compare GPT-4.1 Mini

Alternatives to GPT-4.1 Mini

GPT-4.1 Mini

Free API availability

Benchmarks

The Dutiful Briefer

Taste Index

Stylometric Fingerprint

Favorites

Model Responses

GPT-4.1 Mini vs Ox Alpha

Best AI for Creative Writing