GLM 5.3 FlashX Legal
Summary
GLM 5.3 FlashX Legal is a language model from Zhipu AI (Z.ai), released on 2 Nov 2026. It accepts text, images and video and generates text, with a 1M-token context window and up to 131K output tokens per response. As of 2 Nov 2026, the lowest listed API price is $0.37 per million input tokens and $1.25 per million output tokens (OpenRouter), across 1 provider we track.
GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. It adds legal-domain mid-training and post-training with reinforcement...
Last verified 2 Nov 2026. Every figure on this page links to its source.
Specifications
| Developer | Zhipu AI (Z.ai) |
|---|---|
| Release date | 2 Nov 2026 [OpenRouter] |
| Status | Generally available |
| Context window | 1M (1,048,576 tokens) [OpenRouter] |
| Max output | 131K tokens [OpenRouter] |
| Input | Text, images and video [OpenRouter] |
| Output | Text [OpenRouter] |
| Reasoning mode | Yes [OpenRouter] |
| Tool calling | Yes [OpenRouter] |
| Structured output | Yes [OpenRouter] |
GLM 5.3 FlashX Legal API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter z-ai/glm-5.3-flashx-legal | $0.37 | $1.25 | $0.07 | 1M | OpenRouter, 2 Nov 2026 |
Frequently asked questions
What is the context window of GLM 5.3 FlashX Legal?
GLM 5.3 FlashX Legal has a context window of 1,048,576 tokens (1M) and can generate up to 131,072 tokens in a single response, according to OpenRouter.
How much does the GLM 5.3 FlashX Legal API cost?
GLM 5.3 FlashX Legal is listed from $0.37 per million input tokens and $1.25 per million output tokens (OpenRouter). Prices last verified 2 Nov 2026.
When was GLM 5.3 FlashX Legal released?
Zhipu AI (Z.ai) released GLM 5.3 FlashX Legal on 2 Nov 2026, according to OpenRouter.
Change history
- Added to the directory
- Now listed on OpenRouter