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Model

GLM-5.3

Latest development
Oct 8, 2026
Published intelligence
5
Active developments
0
Follow GLM-5.3 to track meaningful changes across developments involving GLM-5.3.

Latest intelligence

Related developments

DevelopmentSources: Primary source

AWS makes GLM 5.3 available on Amazon Bedrock

AWS announced that Z.ai's GLM 5.3, a 753-billion-parameter mixture-of-experts model designed for coding and long-horizon agentic tasks, is now available on Amazon Bedrock. The model supports OpenAI-compatible API invocation, prompt caching to lower latency and cost, and authorized security testing with the open-source Strix agent. Claims are as reported; this summary makes no determination about accuracy or significance.

  • Moderate confidence
  • Limited corroboration

Coverage

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DevelopmentSources: 1 independent source

Anthropic reports Zhipu GLM-5.3 nearly matches Claude Mythos Preview at cyber exploit generation

Anthropic reports that Zhipu's open-weight model GLM-5.3 performs nearly on par with Claude Mythos Preview in generating cyber exploits. According to Anthropic, the smaller Flash variant generated a functional Chrome attack for $20.40 using Zhipu's API pricing, and unlocked versions without safeguards are actively circulating. Claims are as reported; this summary makes no determination about accuracy or significance.

  • Moderate confidence
  • Limited corroboration

Coverage

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DevelopmentSources: 1 independent source

Abliteration.ai launches commercial service stripping safety guardrails from open-weight AI models

Startup Abliteration.ai has launched a commercial service providing access to open-weight models stripped of safety guardrails, currently utilizing Z.AI's GLM-5.3. Claims are as reported; this summary makes no determination about accuracy or significance.

  • Moderate confidence
  • Limited corroboration

Coverage

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