Checked fact 6526 Oct 2026Models and releases

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.

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The exact words it rests on

It combines a 1-million-token context window with up to 128K output tokens, and reasoning is always enabled with selectable effort levels so you can trade latency and token consumption against task performance.

What the source said when we opened it, on 6 Oct 2026.

The source

GLM 5.3 by Z.ai is now generally available on Amazon Bedrock
Amazon Web Services · 2026-10-05

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Checked

Checked by the notis newsroom on 6 Oct 2026, against the source above.

In the story

AWS lists Z.ai's GLM 5.3 as generally available on Bedrock 6 Oct 2026

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In a sentence

“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.” ai notis, checked 6 Oct 2026. Source: GLM 5.3 by Z.ai is now generally available on Amazon Bedrock (Amazon Web Services). https://ainotis.com/c/652

As a reference (APA style)

ai notis. (2026, October 6). 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 [Checked claim 652]. ai notis. https://ainotis.com/c/652

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