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Z.ai: GLM 5.3 FlashX Legal

z-ai/glm-5.3-flashx-legal

GLM 5.3 FlashX Legal is Z.ai’s AI model, released Nov 2, 2026. It costs $0.37/M input and $1.25/M output tokens, and handles a 1M-token context window.

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.

Context
1M
Input
$0.37 / 1M
Output
$1.25 / 1M
Released
Nov 2, 2026
Modalities
textimagevideo→text

Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where GLM 5.3 FlashX Legal lands among all models tracked on Model Beat.

No standardized benchmark scores from Epoch AI yet — common for very recent, image, or niche models. Scores appear here once published.

Changelog

1
  • GLM 5.3 FlashX Legal (Z.ai) added to the tracker: $0.37/$1.25 per 1M, 1M context.tracked · Nov 2, 2026

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Frequently asked questions

What is GLM 5.3 FlashX Legal?

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.

Who created GLM 5.3 FlashX Legal?

GLM 5.3 FlashX Legal is an AI model developed by Z.ai, released Nov 2, 2026.

How much does GLM 5.3 FlashX Legal cost?

GLM 5.3 FlashX Legal's list price from Z.ai is $0.37 per million input tokens and $1.25 per million output tokens.

What is GLM 5.3 FlashX Legal's context window?

GLM 5.3 FlashX Legal supports a context window of up to 1M tokens.

Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Nov 2, 2026.