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GLM 5 vs GPT-4.1 Nano

Head to head on 11 shared benchmarks, with price, context window, and release dates.

Benchmark scores

51

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Model
GLM 5

Zai

62.9%1598elo70.916.4%66.6%7.6%55.2%38.3%70.0%39.4%97.4%---------7.9%24.7%---97.982.7%4839571.2%73.6%67.9%55.3%77.5%83.5%69.1%---65.2%---73.369.7%72.8%61.12--23.4%--56.4%
GPT-4.1 Nano

OpenAI

42.1%944elo32.41.0%51.2%3.8%32.0%25.9%60.8%3.8%17.3%8.9%23.7%24.0%10.7%1.53-0.173.3%0.0%42.5%--0.391.460.0%----------32.6%10.8%84.8%-65.7%52.8%0.44----1.6439.8%-68.0%68.0%30.9%
2 / 2 models
AttributeGLM 5

Zai

GPT-4.1 Nano

OpenAI

DescriptionGLM-5 is an AI model from Zai, released with open weights.GPT-4.1 Nano is an AI model from OpenAI.
FamilyGlmGPT
Params--
Open weightsopenclosed
Licensemitproprietary
Released11 Feb 202614 Apr 2025
Context204,8001,047,576
Input $/1M$1.00$0.10
Output $/1M$3.20$0.40
Cache read $/1M$0.120$0.025
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestextimage, text, file
Providers--
PublisherZaiOpenAI
Reported scores

FAQ

Is GLM 5 or GPT-4.1 Nano better?
Across the 11 benchmarks both models report on Sophon, GLM 5 leads on 11 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GLM 5 and GPT-4.1 Nano compare on GPQA Diamond?
GLM 5 scores 66.6% and GPT-4.1 Nano scores 51.2% on GPQA Diamond.
Which is cheaper, GLM 5 or GPT-4.1 Nano?
GPT-4.1 Nano is cheaper at $0.40 per million output tokens against $3.20 for GLM 5 - about 8.0x.
When were GLM 5 and GPT-4.1 Nano released?
GLM 5 was released 11 Feb 2026 by Zai. GPT-4.1 Nano was released 14 Apr 2025 by OpenAI.

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