All upcoming models

Z.ai · Shipped

GLM-5.3-Flash release date

Specs, benchmarks and changelog are on the GLM-5.3-Flash model card at TPS.

First uncensored version on Hugging Face: dealignai/GLM-5.3-Flash-UNCENSORED-NVFP4, 1 days after release. 67 uncensored versions in total.

Released

Aug 25, 2026

What we know

Multimodal image-text-to-text model with open weights published on Hugging Face, supporting English and Chinese.

Spec

Params
320B
Active
Not stated
Context
1048576
Weights
MIT
Modality
Not stated
Codename
Not stated

Every claim

6 from 4 sources
  • OpenRouter catalogSpotted in the wildSep 18

    GLM-5.3-FlashX is now available on OpenRouter, a high-speed variant of GLM-5.3-Flash with 1M token context.

    no date givenno datesource
  • The DecoderSpotted in the wildAug 27

    Z.ai releases GLM-5.3-Flash, a 320B open-source model performing near GLM-5.3 at lower cost using Chinese AI chips.

    no date givenno datesource
  • OpenRouter catalogSpotted in the wildAug 26

    GLM 5.3 Flash is now available on OpenRouter as a routable model from Z.ai.

    no date givenno datesource
  • TechmemeFrom the labAug 26

    Z.ai released GLM-5.3-Flash, a 320B-parameter natively multimodal model in the GLM-5 series.

    points at Aug 26exact datesource
  • zai-orgSpotted in the wildAug 25

    GLM-5.3-Flash model checkpoint published on Hugging Face.

    no date givenno datesource
  • zai-orgSpotted in the wildAug 25

    GLM-5.3-Flash model published on Hugging Face with image-text-to-text capabilities.

    no date givenno datesource
Official announcement