ModelClock
Release announced
Released on Sep 2026
Tinfoil announced this model on 2026-09-01.
- Hosting route
- Tinfoil platform
- Affected scope
- Not stated in the notice
- Announced
- Sep 2026
- First seen by ModelClock
- Oct 6, 2026
What the provider published
docs.tinfoil.sh ↗ New Model: GLM-5.3
Added support for GLM-5.3, Z.AI’s latest flagship for agentic coding and long-horizon tool use, with a 1M-token context window, always-on reasoning with configurable
reasoning_effort, tool calling, and structured outputs. Model ID:glm-5-3
Read from the provider's text; the quote is the provider's exact lines.