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GPT-4.1 Mini vs GPT-5 Nano

Head to head on 26 shared benchmarks, with price, context window, and release dates.

Benchmark scores

162

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Model
GPT-4.1 Mini

OpenAI

46.3%0.79-0.0440.0%9.0%1144elo58.2%4.5%66.4%100.0%5.0%38.3%48.3%0.3593.3%100.0%78.1%65.5%40.4%23.9%71.9%7.6%37.6%82.0%82.0%52.9%-0.1760.0%100.0%0.0%-332.4%43.0%98.2%0.0%28.2%-11.0762.3%89.9%10083.620.0%0.0%0.0%1.111.111.01204.541.7%1.4534.5%57.9%13.0%53.6%3.6%17.4%3.3%80.0%80.0%83.4%48.6%-43.3%100.0%52.9%0.0%1.5%18.7%-50.0%65.0%56.8%0.0%3.473.471.55100.0%63.3%0.0%0.0%67.5%40.2%83.5%6.7%62.4%43.8%26.7%-------45.4%80.0%-100.0%92.5%2.610.0%100.0%--77.9%-50.0%64.0%64.0%20.0%26.7%54.5%-20.0%-20.0%30.0%19.5%96.5%52.0%30.0%30.0%--60.0%0.0%46.8%93.0%40.6%-100.0%88.2%100.0%20.0%33.3%100.0%73.3%100.0%1.1456.72010.0%-100.0%100.0%0.0%100.0%1.04100.0%100.0%45.6%-93.3%100.0%-29.0%90.0%29.0%-50.8%
GPT-5 Nano

OpenAI

27.3%0.250.216.7%10.0%703elo78.2%8.3%42.8%100.0%4.0%32.5%47.0%1.38100.0%100.0%55.6%53.6%29.1%34.8%67.4%6.8%29.7%82.0%82.0%25.7%----0.0%--------------------------------28------1.18------------------52.8%62.4%43.4%55.7%46.8%68.4%40.3%--1.38-----26.7%30.4%-72.9%-------100.0%-0.0%-------0.0%12.0%-----30.4%------------1.72--------20.41---6.67---40.0%43.7%
2 / 2 models
AttributeGPT-4.1 Mini

OpenAI

GPT-5 Nano

OpenAI

DescriptionGPT-4.1 Mini is an AI model from OpenAI.GPT-5 nano is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released14 Apr 20257 Aug 2025
Context1,047,576400,000
Input $/1M$0.40$0.05
Output $/1M$1.60$0.40
Cache read $/1M$0.100$0.005
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesimage, text, filetext, image, file
Providers--
PublisherOpenAIOpenAI
Reported scores

FAQ

Is GPT-4.1 Mini or GPT-5 Nano better?
Across the 26 benchmarks both models report on Sophon, GPT-4.1 Mini leads on 15 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-4.1 Mini and GPT-5 Nano compare on GPQA Diamond?
GPT-4.1 Mini scores 66.4% and GPT-5 Nano scores 42.8% on GPQA Diamond.
Which is cheaper, GPT-4.1 Mini or GPT-5 Nano?
GPT-5 Nano is cheaper at $0.40 per million output tokens against $1.60 for GPT-4.1 Mini - about 4.0x.
When were GPT-4.1 Mini and GPT-5 Nano released?
GPT-4.1 Mini was released 14 Apr 2025 by OpenAI. GPT-5 Nano was released 7 Aug 2025 by OpenAI.

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