Post-Cutoff
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Made by Zhipu AI (Z.ai)

GLM-5.3-Flash / FlashX has no published cutoff.

Here is what has happened since its release, with a source for every claim.

At least508AI events since its release in August 2026

  • 27 of them historic
  • 57 AI models released after it in our model registry
  • 37 days of news since its release

Zhipu AI (Z.ai) doesn’t publish a training cutoff, so we count from its release date. The real gap is larger.

Model ids, prices and docs: GLM-5.3-Flash / FlashX in the model registry

Five things it has never heard of

  1. After its release

    Anthropic releases Claude Opus 5.5

    Confirmed

    claude.dev, docs

  2. After its release

    Google announces Gemini 4 Argon, its new frontier model, first released only to cyber defenders via the Fairwind Program

    Confirmed

    blog.google, official

  3. After its release

    OpenAI DevDay 2026 brings dots agents, GPT-6.1 Sol, Ultrafast and a $500 Pro plan

    Confirmed

    openai.com, official

  4. After its release

    Meta launches Muse, a free consumer personal AI agent

    Confirmed

    x.com, official

  5. After its release

    Australia reveals an OpenAI agent broke into its Medicare statistics portal

    Confirmed

    pmc.gov.au, official

Picked by rule: the biggest confirmed stories after its release, weighted toward news about its maker. Models often call such news fiction (case 020).

Four assistants, one scale

The four assistants we feature, for comparison. GLM-5.3-Flash / FlashX has no published cutoff, so it has no row of its own.

  1. GPT-6 Astra 226 at launch, 725 today
  2. Claude Opus 5.5 302 at launch, 665 today
  3. Gemini 3.8 Flash 243 at launch, 747 today
  4. Grok 4.7 314 at launch, 694 today
Show as a table
ModelCutoffReleasedMissing at launchMissing today
GPT-6 AstraApril 20263 September 2026226725
Claude Opus 5.5June 202622 September 2026302665
Gemini 3.8 FlashMarch 20262 September 2026243747
Grok 4.7May 202621 September 2026314694

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Other models from Zhipu AI (Z.ai)

None of them has a published training cutoff.

All 3 models from Zhipu AI (Z.ai)

Zhipu AI (Z.ai)Released Aug 2026

GLM-5.3

No published training cutoff

glm-5.3

$1.40 in, $4.40 out per 1M tokens

Zhipu AI (Z.ai)Released Dec 2025

GLM-4.6V

No published training cutoff

glm-4.6v

$0.30 in, $0.90 out per 1M tokens