> GPT-4.1 mini is a closed AI model from OpenAI, released 14 Apr 2025. Index score 121 (GPT-4 = 100), rank 138 of 229 ranked models. API price $0.40 in / $1.6 out per million tokens, 1.05M context.

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# GPT-4.1 mini

OpenAI

Released 14 Apr 2025

Closed

[Compare](https://themodelindex.org/compare/gpt-4-1-mini-vs-qwen3/)

121110–132

Index score

#138 of 229 models

3/ 8

Core tests taken

3 of 6 areas · plus 12 anchor tests

−19

Versus the frontier at release

best then: Gemini 2.5 Pro

Replaced by [GPT-5 mini](https://themodelindex.org/models/gpt-5-mini/)

$0.40/ $1.6

Price per million tokens

input / output, list price

1.05M

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

o1-mini reached this score 7 months earlier.

## Test results · by area · tick = best by any model

Show 10 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

66%

Humanity's Last Exam

no result

Maths

evidence

FrontierMath T1-3

7%

Coding

evidence

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

evidence

APEX-Agents

no result

Novel problems

evidence

ARC-AGI-2

0%

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

The Model Index

independent tests, our method

#138

of 219 · 121

Epoch Capabilities Index

overall capability from many benchmarks

#123

of 239 · 135

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Replaced by GPT-5 mini; it no longer leads any category among current models.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

ChatGPT

app · subscription

↗

OpenAI API

API

↗

#### API providers · 2 · per million tokens, in / out

A

Azure

$0.44 / $1.76

cheapest

O

OpenAI

$0.40 / $1.6

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

14 Apr 2025

Announcement

not linked yet

Release entry

–

Scored as

GPT-4.1 mini

Artificial Analysis index

–

Output speed

–

Hugging Face

closed weights

## OpenAI releases · around this one

ChatGPT

Closed

30 NOV 2022

GPT-4

Closed

14 MAR 2023

index 100

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Source: https://themodelindex.org/models/gpt-4-1-mini/ · The Model Index · data as of 2026-10-01