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Person

Zhang Peng

Z.ai CEO and co-founder, previously associated with Tsinghua's Knowledge Engineering Group and data-science research center.

Known aliases

  • Peng Zhang
  • Zhang

Current stories

buildOne report1 publisher

ZCode encrypted a developer's Git history with a key only its server could unwrap

A reverse-engineering walkthrough published September 18th traced a 313MB archive in ZCode's local data directory to a 42,411-file commercial workspace whose Git objects and LFS blobs were 86.6% of the payload.

Publishers:runtimewire.com

Reality

Evidence64
Adoption20
Hype gap+8
Incentives42
Confidence58
buildOne report1 publisher

Stripped GLM-5.3-Flash weights show what Z.ai's MIT license permits

DeAlignAI's downloadable FP8 build is the license working exactly as written, while its self-reported 320-of-320 HarmBench run remains unchecked by any outside researcher and measures compliance, not capability.

Publishers:runtimewire.com

Reality

Evidence46
Adoption20
Hype gap+18
Incentives72
Confidence55
buildOne report1 publisher

Z.ai pays for ZCode users in tokens, not cash: 100 million each to 50,000 signups

The 5 trillion token ceiling only binds if every allocation is claimed and then spent. Until it is, this is a short window to test a rival coding agent on someone else's inference bill.

Publishers:runtimewire.com

Reality

Evidence32
Adoption24
Hype gap+28
Incentives82
Confidence46
buildOne report1 publisher

GLM-5.3 is a paper, not an endpoint: Z.ai publishes research before weights

Z.ai's August 14 post claims post-training gains for coding agents, but the company's release notes still stop at GLM-5.1 and there is no API endpoint, model identifier or weight download.

Publishers:runtimewire.com

Reality

Evidence42
Adoption18
Hype gap+38
Incentives68
Confidence46