Z.ai · llm model
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.
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- ReleasedAug 26, 2026
Modalities not verified
Key facts
Where GLM-5.3-Flash sits in our data
- Released Aug 26, 2026 (week 35 of 2026), in August 2026. Other models in our data released that month: Gemini Omni 1.1 Flash, Gemini 3.5 Transcribe, GLM-5.3, Qwen3.8-27B, Grok 4.6, Qwen3.8-2.4T-A95B.
- The previous Z.ai model we track is GLM-5.3 (Aug 14, 2026), 12 days earlier.
- All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding.
How GLM-5.3-Flash differs from GLM-5.3
Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.
- We have no recorded price for GLM-5.3-Flash; GLM-5.3 has one.
- GLM-5.3-Flash came out 12 days after GLM-5.3.
- Facts for the other model: GLM-5.3.
What we tested
Nothing yet. We have not run GLM-5.3-Flash ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.
Not verified, left out
We could not confirm these on a vendor page, so we do not state them.
- 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.