# GLM-5.3-Flash

GLM-5.3-Flash is Z.ai's latest language model in our dataset, released Aug 26, 2026. Z.ai's GLM-5.3-Flash, released Aug 26, 2026 with native visual capabilities and a hybrid linear and sparse attention design. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/glm-5-3-flash · JSON: https://theagenticweekly.com/api/models/glm-5-3-flash

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Z.ai |  |
| Released | Aug 26, 2026 | https://docs.z.ai/release-notes/new-released |
| Parameters | 320B total, 18B active, hybrid linear and sparse attention | https://docs.z.ai/release-notes/new-released |

## What we tested

Nothing yet. We have not run GLM-5.3-Flash ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- Context window, license and price were not captured from Z.ai's own pages; Mistral's changelog lists a 1M-token context and $0.15 / $0.50 per 1M tokens for its hosted copy, which we did not treat as Z.ai's own figures.

## Sources

- [Z.ai release notes](https://docs.z.ai/release-notes/new-released)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.