GPT-4.1

Apr 2025
Retires Jan 14, 2027Move toGPT-6 LunaNewer version
GPT-4.1
Compare in
on
—per task?
$2 / $8per 1M in / outcache $0.50
184 tok/sfirst token in 0.8 s?
1Mcontext

Rankingin non-thinking mode?

Full ranking →
1Opus 5.51,534.22Gemini 4 Argon1,523.13Fable 5.11,509.74Opus 4.61,504.85Opus 51,494.6
···
89Mistral Large 41,363.890GPT-4.11,363.491GPT-6 Luna1,362.7

Strong at

B
Tool calling#113 of 242Long context#135 of 314
C
Reasoning#304 of 336Science#205 of 312Knowledge#175 of 320Instructions#141 of 245Vision#95 of 125

Alternatives?

ModelScoreCostPer taskWhat changes
CheaperGemini 3.8 Flashhighwins 67%-57%*$3.49Sampling parameters are ignored+1BetterGPT-5.6 Lunaxhighwins 55%-87%$0.085OpenMiMo v2.6 Prounstatedwins 64%-84%$0.43 / $0.87Pass back reasoning_content+3CheaperGemini 3.6 Flashhighwins 64%-57%*$1.60CheaperMuse Spark 1.3maxwins 64%-43%$3.69Only auto tool_choice is supported+5

History

17 versions
1,2001,3001,4001,500Jan 24Jul 24Jan 25Jul 25Jan 26Release dateArena Text · Creative writing (snapshot, October 22, 2026)44o4.1 · Apr5 · Aug5.1 · Nov5.2 · Dec5.4 · Mar5.5
1,2001,3001,4001,500202420252026Release dateArena Text · Creative writing (snapshot, October 22, 2026)44o4.1 · Apr5 · Aug5.1 · Nov5.2 · Dec5.5

Benchmarks

in Writing & Language
IFBench (instructions)43#142
COMET22 averagelab84.1
COMET22 multi-domain Zh-Enlab86.9
COMET22 multi-domain En-Zhlab82.8
COMET22 multi-domain En-Delab82.7
COMET22 multi-domain De-Enlab83.9
COMET22 WMT24lab85.1

FAQ

How much does GPT-4.1 cost?›

$2 per 1M input tokens and $8 per 1M output tokens; cached input $0.50 per 1M.

Is GPT-4.1 free to use?›

There is no free API; the cheapest paid price is $2 per 1M input tokens.

How good is GPT-4.1, and what is it best at?›

#304 of 336 in Chat & Knowledge, #113 of 239 in Coding, #113 of 242 in Agents & Tool Use, #90 of 197 in Writing & Language, #95 of 125 in Vision & Documents.

Is GPT-4.1 better than GPT-4.5 Preview?›

On Arena Text · creative writing · October 22, 2026, GPT-4.1 scores 1,363.4 vs 1,393.6 — lower.

How can I use GPT-4.1?›

Through the API of Azure, Azure AI Foundry, OpenAI.

What is the context window of GPT-4.1?›

1M tokens, with up to 33K output tokens.

When was GPT-4.1 released? Is there a newer version?›

Released 2025-04-14. It has been superseded by GPT-6 Luna.

Is GPT-4.1 open source?›

No, GPT-4.1 is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.

Can GPT-4.1 read images?›

It accepts text and images, PDF files as input.

What is GPT-4.1?›

GPT-4.1 is a closed language model from OpenAI, released Apr 2025, the successor to GPT-4.5 Preview.

What are the best alternatives to GPT-4.1?›

Gemini 3.8 Flash (cheaper), GPT-5.6 Luna (better), MiMo v2.6 Pro (open weights).