Multimodal / Vision

GLM 5.3 Flash

GLM 5.3 Flash by Zhipu / Z.ai costs $0.15 per 1M input tokens and $0.5 output. It is available outside China via an official international API, OpenRouter, and Cloudflare Workers AI (@cf/zai-org/glm-5.3-flash). Last checked 2026-10-27.

Zhipu / Z.ai · mit · 321.3B

$0.15 in · $0.5 out

USD per 1M tokens · Last updated 2026-10-27 · Pricing source · official

How to use it from outside China

Call the official international API. https://api.z.ai
Send requests through OpenRouter. https://openrouter.ai/z-ai/glm-5.3-flash
Other listed hosts: Cloudflare Workers AI (@cf/zai-org/glm-5.3-flash).
Weights are public. Download them from Hugging Face. https://huggingface.co/zai-org/GLM-5.3-Flash
Confirm the price on the source before you rely on it. Checked 2026-10-27. Pricing source

Usable outside China?

Official international API: https://api.z.ai

OpenRouter: https://openrouter.ai/z-ai/glm-5.3-flash

Other hosts: Cloudflare Workers AI (@cf/zai-org/glm-5.3-flash)

Questions

Can I use GLM 5.3 Flash from outside China?

Official international API: https://api.z.ai. OpenRouter: https://openrouter.ai/z-ai/glm-5.3-flash. Other hosts: Cloudflare Workers AI (@cf/zai-org/glm-5.3-flash).

How much does GLM 5.3 Flash cost per 1M tokens?

$0.15 input and $0.5 output per 1M tokens. official. Checked 2026-10-27.

Is the GLM 5.3 Flash API OpenAI-compatible?

Unknown — not on the record yet

Are GLM 5.3 Flash weights open, and under which license?

Yes. License: mit.

Sources

https://docs.z.ai/guides/overview/pricing

Weights: https://huggingface.co/zai-org/GLM-5.3-Flash

A dash means we don’t know. This page does not fill gaps.

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Compare GLM 5.3 Flash with GLM 5.3 FlashX · More vision · Zhipu / Z.ai