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GLM 5 vs GPT-5 Mini

Head to head on 21 shared benchmarks, with price, context window, and release dates.

Benchmark scores

73

evals · sort by any column, ⤢ to expand fullscreen

Model
GLM 5

Zai

62.9%1598elo70.916.4%66.6%7.6%55.2%71.2%73.6%67.9%55.3%77.5%83.5%69.1%38.3%69.7%72.8%70.0%39.4%23.4%97.4%-------------7.9%----24.7%---97.9--82.7%48395----65.2%---------73.361.12---------56.4%
GPT-5 Mini

OpenAI

60.2%1310elo56.227.2%68.7%5.1%45.6%69.1%68.2%55.2%65.3%75.5%82.2%68.3%36.9%39.7%59.8%75.2%14.4%14.2%31.9%0.0%46.7%0.0%1.130.0%-0.1520.0%25.0%40.0%1.7100.0%18.1%2.8%-100.0%66.7%0.0%88.3%-60.0%100.0%90.0%-47.2%80.0%--54.5%0.0%1.541.54-43.0%80.6%80.0%77.5%66.9%9.0%43.0%16.8%4.95--0.0%9.5%0.0%86.1%0.4939.21272.1186.0%86.0%47.9%
2 / 2 models
AttributeGLM 5

Zai

GPT-5 Mini

OpenAI

DescriptionGLM-5 is an AI model from Zai, released with open weights.GPT-5 mini is an AI model from OpenAI.
FamilyGlmGPT
Params--
Open weightsopenclosed
Licensemitproprietary
Released11 Feb 20267 Aug 2025
Context204,800400,000
Input $/1M$1.00$0.25
Output $/1M$3.20$2.00
Cache read $/1M$0.120$0.025
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 Mini better?
Across the 21 benchmarks both models report on Sophon, GLM 5 leads on 17 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GLM 5 and GPT-5 Mini compare on GPQA Diamond?
GLM 5 scores 66.6% and GPT-5 Mini scores 68.7% on GPQA Diamond.
Which is cheaper, GLM 5 or GPT-5 Mini?
GPT-5 Mini is cheaper at $2.00 per million output tokens against $3.20 for GLM 5 - about 1.6x.
When were GLM 5 and GPT-5 Mini released?
GLM 5 was released 11 Feb 2026 by Zai. GPT-5 Mini was released 7 Aug 2025 by OpenAI.

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