GLM-5.3-Flash (EXL3 High)

GLM-5.3-Flash is a multimodal open-weight model by Z.AI. As a Mixture-of-Experts (MoE) architecture with 320B total and 18B active parameters, it combines efficiency with high performance. It supports a context window of 1 million tokens and processes text, image, and video inputs. The model is particularly optimized for complex agentic and coding tasks and is available under a permissive MIT license.

Zhipu AI Version 5.3-Flash Commercial use permitted MoE 320 B (18 B active) 1000 K Context locally tested

Open Weights
Server
vLLM
Text
Vision
Video
Agentic Orchestrator
Long Context
Interactive

Sovereign Risk: MEDIUM The model was developed by Z.AI, a company headquartered in China (CN). The risk is classified as ‘medium’ rather than ‘high’ because the weights have been released under the very permissive MIT license. This reduces vendor dependency and mitigates some of the risks associated with Chinese jurisdiction. Nevertheless, a residual risk remains regarding training data provenance and potential regulatory influences.

Review in progress – The detailed meta-review for this model will be published shortly.