# Z.ai launches GLM-5.3 API

It is priced the same as GLM-5.2.

- GLM-5.3 is built for coding, defensive cybersecurity, and long-horizon agentic tasks.
- It is available through the official API and partner model gateways.

## Why it matters

Developers can now use GLM-5.3 for coding, cybersecurity, and agentic workloads without paying more than for GLM-5.2.

## Sources

- [Z.ai: Z.ai launches GLM-5.3 API](https://x.com/Zai_org/status/2089816129011098048)

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Summarized by dstilled on 2026-08-18. https://dstilled.ai/story/9ad72ff8-380b-44a6-81f3-bf7b8fc04297