Z.ai · llm model
GLM-5
GLM-5 is a Z.ai language model released Feb 12, 2026; Z.ai's newest language model in our dataset is GLM-5.3-Flash. Z.ai's GLM-5, released Feb 12, 2026 for complex system engineering and long-range agent tasks. Verified against vendor sources on Oct 26, 2026.
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- ReleasedFeb 12, 2026
Modalities not verified
Key facts
| Fact | Value | Source |
|---|---|---|
| Vendor | Z.ai | n/a |
| Released | Feb 12, 2026 | source |
| Status | generally available | n/a |
Where GLM-5 sits in our data
- Released Feb 12, 2026 (week 7 of 2026), in February 2026. Other models in our data released that month: Gemini 3.1 Pro, Claude Sonnet 4.6, Claude Opus 4.6.
- The previous Z.ai model we track is GLM-Image (Jan 14, 2026), 29 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 differs from GLM-5.1
Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.
- GLM-5 came out 54 days before GLM-5.1.
- Facts for the other model: GLM-5.1.
What we tested
Nothing yet. We have not run GLM-5 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.
Sources
More from Z.ai
- GLM-5.1 (Apr 7, 2026)
- GLM-Image (Jan 14, 2026)
- GLM-5.2 (Jun 16, 2026)
- GLM-5.3 (Aug 14, 2026)
- GLM-5.3-Flash (Aug 26, 2026)