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GLM 5 vs GPT-5.4

Head to head on 22 shared benchmarks, with price, context window, and release dates.

Benchmark scores

46

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.4

OpenAI

65.3%1836elo78.347.6%74.8%11.3%48.4%78.5%9206382.0%77.5%79.3%70.2%82.6%94.1%88.1%82.8%47.1%74.0%37.9%67.4%36.0%13.1%1.4781.0%34.1%9.0%-1272elo-87.2%-41.3%77.5%68.3%8652.2%56.0%43.3%-0.6140.8----8060.3%
GLM 5

Zai

62.9%1598elo70.916.4%66.6%7.6%55.2%82.7%4839571.2%73.6%67.9%55.3%77.5%83.5%69.1%65.2%38.3%70.0%39.4%23.4%97.4%-----7.9%-24.7%-97.9---------73.369.7%72.8%61.12-56.4%
2 / 2 models
AttributeGLM 5

Zai

GPT-5.4

OpenAI

DescriptionGLM-5 is an AI model from Zai, released with open weights.GPT-5.4 is an AI model from OpenAI.
FamilyGlmGPT
Params--
Open weightsopenclosed
Licensemitproprietary
Released11 Feb 20265 Mar 2026
Context204,8001,050,000
Input $/1M$1.00$2.50
Output $/1M$3.20$15.00
Cache read $/1M$0.120$0.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestexttext, image, file
Providers--
PublisherZaiOpenAI
Reported scores

FAQ

Is GLM 5 or GPT-5.4 better?
Across the 22 benchmarks both models report on Sophon, GPT-5.4 leads on 18 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GLM 5 and GPT-5.4 compare on GPQA Diamond?
GLM 5 scores 66.6% and GPT-5.4 scores 74.8% on GPQA Diamond.
Which is cheaper, GLM 5 or GPT-5.4?
GLM 5 is cheaper at $3.20 per million output tokens against $15.00 for GPT-5.4 - about 4.7x.
When were GLM 5 and GPT-5.4 released?
GLM 5 was released 11 Feb 2026 by Zai. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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