ZCode
Z.ai
Why it is on the list
The official shell for GLM-5.3; plans are billed in weekly credits.
Facts with sources
- The system prompt is almost entirely environment restrictions: don’t start the dev server, don’t run a build. Source (in Russian)
- Claude Code + GLM-5.3 on Terminal-Bench: 41.82% of tasks solved for $2.7K, versus 51.82% for $6.0K with Opus 5. Source (in Russian)
- Z.ai access isn’t restricted from Russia. Source (in Russian)
Who it is for
- Team on Next.js that needs an inexpensive model with access from Russia