Z
GLM-5.2
Open SourceZ.ai (Zhipu AI)•Released on 2026-06-13
Z.ai's flagship coding-first model for long-horizon tasks, with a usable 1M-token context window for project-level engineering. 744B-parameter MoE (40B active), MIT open-sourced with no regional usage restrictions. Successor to GLM-5.1; released two days after the US ordered Anthropic to cut foreign access to Fable 5 / Mythos 5.
81
Overall Score
Voice of the community
sample 12“GLM-5.2 ships with a truly usable 1M-token context window and is built for long-horizon, project-level engineering tasks.”
“Zhipu shipped GLM-5.2 with a 1M-token context and no benchmarks — a coding-first open frontier model under MIT license.”
Core Specs
1049K
Context Window
131K
Max Output
ReasoningOpen Sourcetext
Scenario Scores
Pros & Cons
Sentiment60% +32% ·8% −
Pros
- +Usable 1M-token context for project-level engineering
- +Coding-first, optimized for long-running autonomous tasks
- +MIT open weights, no regional usage restrictions
- +Competitive API pricing ($1.40 / $4.40 per MTok)
- +Available on all GLM Coding Plan tiers from launch
Cons
- −No official benchmark numbers published at launch
- −Text-only (no vision/multimodal)
- −New model, limited real-world community feedback
- −Peak-hour quota throttling on subscription plans
Pricing
Input (per 1M tokens)$1.40
Output (per 1M tokens)$4.40
Subscription$10/month
Free trial available
Updated on 2026-06-17
Get Started
1Visit the provider's website
2Create an account
3Start using the model
Benchmarks
noteZhipu published no benchmark numbers at launch (no SWE-bench Verified / LiveCodeBench / HumanEval / AIDER polyglot). Positioned as a coding-first long-horizon model.%
Reliability
Incidents (30d)0