GLM 5.3 Flash

Z.ai · 321.3B parameters · Language models

Weights and memory

1 option
FormatFile sizeYour deviceLink
—328 GB306 GB ◇Hugging Face

Published by the lab. File size is what the repository lists; for original weights it is the total of the weight files, which can include more than one variant. ● memory stated by the publisher · ◇ estimate from file size, an 8K-token context and 0.5 GB for the runtime. Unknown means there is no figure to go on. Checked 2026-10-11.

Tests on this site

Not tested yet

This site has not run this model. What will be tested

Third-party scores

Measured by other sites on hosted endpoints. A quantized file you run yourself may score differently.

OpenRouter evals

data from 2026-10-10
EndpointBenchmarkScoreTasks run
z-ai/glm-5.3-flash90.9% ± 0.0198
z-ai/glm-5.3-flash-2026082685.0% ± 2.31,386
z-ai/glm-5.3-flash-2026082675.7% ± 2.0300
z-ai/glm-5.3-flash70.0% ± 0.050

Source: OpenRouter evals (openrouter.ai) via OpenRouter (openrouter.ai/rankings). openrouter.ai

Artificial Analysis

data from 2026-10-09
EndpointIntelligenceCodingAgentic
GLM-5.3-Flash41.871.550.9

Source: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings). artificialanalysis.ai

Design Arena

data from 2026-10-11
EndpointCategoryWin rate
z-ai/glm-5.3-flash-20260826uicomponent132455.0%
z-ai/glm-5.3-flash-202608263d132156.5%
z-ai/glm-5.3-flash-20260826gamedev128847.2%
z-ai/glm-5.3-flash-20260826svg128857.1%
z-ai/glm-5.3-flash-20260826codecategories128749.4%
z-ai/glm-5.3-flash-20260826website127648.5%
z-ai/glm-5.3-flash-20260826asciiart127255.0%
z-ai/glm-5.3-flash-20260826dataviz126650.3%

Source: Design Arena (www.designarena.ai) via OpenRouter (openrouter.ai/rankings). designarena.ai