# GLM 5.3 FlashX Legal

> 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.

Source page: https://www.aimodel.directory/models/glm-5-3-flashx-legal
Last verified: 2 Nov 2026

## Specifications

- **Developer:** Zhipu AI (Z.ai)
- **Release date:** 2 Nov 2026 (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Status:** Generally available
- **Context window:** 1M (1,048,576 tokens) (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Max output:** 131K tokens (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Input:** Text, images and video (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Output:** Text (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Reasoning mode:** Yes (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Tool calling:** Yes (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)
- **Structured output:** Yes (source: OpenRouter, https://openrouter.ai/z-ai/glm-5.3-flashx-legal)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $0.37 | $1.25 | $0.07 | 1M |

## FAQ

### 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.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "GLM 5.3 FlashX Legal", https://www.aimodel.directory/models/glm-5-3-flashx-legal