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> For a complete documentation index, see https://docs.empiriolabs.ai/llms.txt.
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# Z.ai

> 10 Z.ai models on EmpirioLabs, callable through one OpenAI-compatible API with shared billing and logs.

![Z.ai](/_fern-files/_img/b0a8a2573023e7071484331e5bffe6625e5f65bc0aa0fbcb9942ae0098e694e2.webp)

## Z.ai

## Models from Z.ai

![GLM 5.3](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 5.3](/models/glm-5-3)

Coding and agentic model with a 1M token context, 128K output, always-on reasoning at low, high, or max effort, native web search, and tool calling.

![GLM 5.2](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 5.2](/models/glm-5-2)

Reasoning and coding model with a 1M token context, 128K output, adjustable reasoning effort, native web search, and tool calling.

![GLM 5.1](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 5.1](/models/glm-5-1)

Long-context Zhipu AI reasoning model with 202K context, 128K output, tool calling, structured output, and cache support.

![GLM 4.7 FlashX](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 4.7 FlashX](/models/glm-4-7-flashx)

High-speed GLM-4.7 text model for coding, reasoning, long-context writing, and chat, with 200K context, function calling, and web search.

![GLM 4.6V FlashX](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 4.6V FlashX](/models/glm-4-6v-flashx)

High-speed GLM-4.6V vision model for image, video, file, and text understanding, with 128K context and native function calling.

![GLM 5.3 Flash](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 5.3 Flash](/models/glm-5-3-flash)

Natively multimodal flash model with a 1M token context, image and video input, always-on reasoning, native web search, and tool calling.

![GLM 4.7 Flash](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 4.7 Flash](/models/glm-4-7-flash)

Free lightweight GLM-4.7 text model for coding, reasoning, long-context writing, and general chat.

![GLM 4.6V Flash](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 4.6V Flash](/models/glm-4-6v-flash)

Free multimodal GLM-4.6V model for image, video, file, and text understanding with native function calling.

![GLM 4.5 Flash](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM 4.5 Flash](/models/glm-4-5-flash)

Free lightweight GLM-4.5 text model for reasoning, coding, long-form chat, and general language tasks.

![GLM TTS](https://media.empiriolabs.ai/model-logos/glm.png)

[GLM TTS](/models/glm-tts)

LLM-based text-to-speech with zero-shot voice cloning from 3-10s of audio and emotion-expressive, controllable output via multi-reward RL.