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Gemini 3.5 Flash vs GPT-4.1

Head to head on 10 shared benchmarks, with price, context window, and release dates.

Benchmark scores

57

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Model
Gemini 3.5 Flash

Google (Alphabet Inc.)

64.7%39.0%92.2%42.7%76.3%68.1%53.1%74.4%40.9%95.3%---------26.0%-1087elo-71.857.9%-78.9%78.2%64.9%75.6%84.6%88.2%82.0%-----76.3%--55.8%-76.6%--31.0%49.9%----53.1%62.9%48.7%--64.3%
GPT-4.1

OpenAI

63.1%5.5%66.6%4.2%43.0%65.9%38.1%75.1%13.6%47.1%0.0%52.4%43.7%34.7%26.7%61.5%1.6483.7%1.55-12.4%-1417elo--60.9%-------45.7%70.8%0.490.4991.3%-32.1%32.1%-69.4%-80.6%50.5%--8.5731.1%39.6%10.0%---92.0%92.0%48.0%
2 / 2 models
AttributeGemini 3.5 Flash

Google (Alphabet Inc.)

GPT-4.1

OpenAI

DescriptionGemini 3.5 Flash is an AI model from Google (Alphabet Inc.).GPT-4.1 is an AI model from OpenAI.
FamilyGeminiGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released19 May 202614 Apr 2025
Context1,048,5761,047,576
Input $/1M$1.50$2.00
Output $/1M$9.00$8.00
Cache read $/1M$0.150$0.500
Cache write $/1M$0.083-
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, video, file, audioimage, text, file
Providers--
PublisherGoogle (Alphabet Inc.)OpenAI
Reported scores

FAQ

Is Gemini 3.5 Flash or GPT-4.1 better?
Across the 10 benchmarks both models report on Sophon, Gemini 3.5 Flash leads on 9 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Gemini 3.5 Flash and GPT-4.1 compare on GPQA Diamond?
Gemini 3.5 Flash scores 92.2% and GPT-4.1 scores 66.6% on GPQA Diamond.
Which is cheaper, Gemini 3.5 Flash or GPT-4.1?
GPT-4.1 is cheaper at $8.00 per million output tokens against $9.00 for Gemini 3.5 Flash - about 1.1x.
When were Gemini 3.5 Flash and GPT-4.1 released?
Gemini 3.5 Flash was released 19 May 2026 by Google (Alphabet Inc.). GPT-4.1 was released 14 Apr 2025 by OpenAI.

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