Models / GLM-5.2
Zhipu (Z.ai)
GLM-5.2
Specs as of
Zhipu’s GLM-5.2, released 13 Jun 2026: MIT open weights, a 1M-token context, and the first open-weight model to reach 51 on the Artificial Analysis index.
Specifications
- Lab
- Zhipu (Z.ai)
- Released
- 13 Jun 2026 (API and MIT open-source rolled out the following week)
- Parameters
- Not disclosed at release
- Context window
- 1M tokens
- License
- Open-weight (MIT)
- Pricing
- Roughly one-sixth the API cost of GPT-5.5 (VentureBeat). On the Harvey legal benchmark it averaged about $2.40 per task against about $31 for Anthropic’s Fable, a roughly 13x spread (Applied Compute case study, via CAD, 28 Jul 2026). Absolute per-token price not disclosed
The benchmark claim
First open-weight model to land at 51 on the Artificial Analysis Intelligence Index, between GPT-5.5 and Opus 4.8; 74.4 on FrontierSWE, within a point of Opus 4.8independent
A figure tagged lab-reported is the lab's own claim. A figure taggedindependent comes from a third-party leaderboard. We never present a vendor's number as neutral fact.
Sources
SCMP; VentureBeat; Artificial Analysis; Applied Compute; tmtpost
Covered in the daily: read the issue →
Every figure above traces to the named source on this page, and where it comes from our reporting, to the dated issue that carried it. Specs the lab did not disclose read "n/d" rather than carrying an estimate.