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GPT-4.1 Nano vs GPT-4o

Head to head on 16 shared benchmarks, with price, context window, and release dates.

Benchmark scores

50

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-4o

OpenAI

18.2%15.0%6.0%45.9%0.3%54.3%2.4%34.3%30.9%75.9%74.8%57.4%33.3%74.5%8.3%25.1%38-0.0%--0.33---6.1%---96.1--0.0%55.1%46.1%70.1%49.0%-10.8%54.0%5.71-21.6%61.2--0.98--32.5%33.4%
GPT-4.1 Nano

OpenAI

8.9%23.7%24.0%42.1%1.0%51.2%3.8%32.0%32.6%84.8%65.7%52.8%25.9%60.8%3.8%17.3%-10.7%-1.53-0.17-3.3%0.0%42.5%-944elo32.40.39-1.460.0%-----10.8%---0.44--1.6439.8%-68.0%68.0%-30.9%
2 / 2 models
AttributeGPT-4.1 Nano

OpenAI

GPT-4o

OpenAI

DescriptionGPT-4.1 Nano is an AI model from OpenAI.GPT-4o is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released14 Apr 202520 Nov 2024
Context1,047,576128,000
Input $/1M$0.10$2.50
Output $/1M$0.40$10.00
Cache read $/1M$0.025$1.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesimage, text, filetext, image, file
Providers--
PublisherOpenAIOpenAI
Reported scores
Taubench61.2 pass^1
GSM8K96.1 Accuracy
ScholarSearch5.71 Social Sciences & Humanities (%)
AIME202438 pass@1

FAQ

Is GPT-4.1 Nano or GPT-4o better?
Across the 16 benchmarks both models report on Sophon, GPT-4o leads on 10 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-4.1 Nano and GPT-4o compare on GPQA Diamond?
GPT-4.1 Nano scores 51.2% and GPT-4o scores 54.3% on GPQA Diamond.
Which is cheaper, GPT-4.1 Nano or GPT-4o?
GPT-4.1 Nano is cheaper at $0.40 per million output tokens against $10.00 for GPT-4o - about 25.0x.
When were GPT-4.1 Nano and GPT-4o released?
GPT-4.1 Nano was released 14 Apr 2025 by OpenAI. GPT-4o was released 20 Nov 2024 by OpenAI.

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