The Frontier · Tags

#GLM-5.3

2 published articles

• Deployment · Dispatch

  GLM 5.3 on Amazon Bedrock: Z.ai's 753B model reaches eligible enterprise customers through two cross-Region profiles

  AWS's 5 October post adds prompt caching and OpenAI-compatible APIs, and walks through authorized security testing with Strix. It names no price and lists only US and Global cross-Region profiles.

• Security · Dispatch

  Anthropic says Z.ai GLM-5.3 brings Mythos-class cyber skills with weak open-weight safeguards

  NIST CAISI already called GLM-5.3 the most cyber-capable open-weight model to date, about four months behind the U.S. frontier. Anthropic adds 64% to 100% simulated safeguard bypass rates.