Z.ai
2 stories · first 1 Oct · latest 6 Oct
Products and models
Facts we checked
Each fact was checked against the page it links to.
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AWS says GLM 5.3 "is available to eligible enterprise customers" and is accessible through the US and Global cross-Region inference profiles.
GLM 5.3 by Z.ai is now generally available on Amazon Bedrock · Amazon Web Services · checked 6 Oct 2026 · Cite this fact · the story
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AWS says GLM 5.3 has a 1-million-token context window and up to 128K output tokens, with reasoning always enabled and selectable effort levels.
GLM 5.3 by Z.ai is now generally available on Amazon Bedrock · Amazon Web Services · checked 6 Oct 2026 · Cite this fact · the story
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AWS describes GLM 5.3 as a mixture-of-experts model with 753B total parameters and roughly 40B active per token.
GLM 5.3 by Z.ai is now generally available on Amazon Bedrock · Amazon Web Services · checked 6 Oct 2026 · Cite this fact · the story
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AWS's What's New entry, dated 5 October 2026, is titled "GLM 5.3 by Z.ai is now generally available on Amazon Bedrock".
GLM 5.3 by Z.ai is now generally available on Amazon Bedrock · Amazon Web Services · checked 6 Oct 2026 · Cite this fact · the story
Numbers over time
Prices, context windows and test scores we checked. Each number links to the fact it comes from.
glm-5-3: Benchmark score, Binary Exploitation (Anthropic internal, 100 tasks) (third party)
| Date | Value | Fact |
|---|---|---|
| 2026-10-01 | 4% | Cite this fact |
All 2 stories
Cases
Ongoing case: Cyber-capable AI modelsOngoing case: Million-token context windows
Built from our published stories and the facts we checked, and kept up to date by them. How we correct.