Z.ai: GLM 5.3 FlashX Legal is now on OpenRouter

GLM-5.3-FlashX-Legal is Z.ai's legal-domain variant of GLM-5.3-FlashX. This native multimodal model accepts text, image, and video input and produces text. The context window is 1,048,576 tokens. The price is $0.37 per million input tokens and $1.25 per million output tokens.