Z.ai · 16 Jun 2026
GLM-5.2
An open flagship model designed to hold context and execute over long software-engineering horizons.
High-signal launch with broad capability, access or platform-level implications.
Release is backed by the lab’s own announcement or newsroom post.
First-party source · 1 receiptChange Lens
What actually changed.
Normalized from the release note so different labs can be compared by the same fields, not just by launch copy.
General · Coding · Open weights
Evidence is first-party; comparison labels are normalized by Radar.
Release is backed by the lab’s own announcement or newsroom post.
First-party source · 1 receiptSource receipts
Evidence behind the brief.
The Radar keeps claims traceable: first-party sources, normalized fields, unknowns and the latest verification marker used for this page.
Pricing is not clearly specified in the indexed source note.
Combines a stable million-token window with multiple reasoning-effort levels and openly released weights.
This brief links back to the first-party announcement or documentation used by the radar.
Open original source