Z.ai
GLM-5.2
Open-weight generalist tuned for long-horizon planning and coding work.
Our editorial assessment, based on the public sources listed below. Last reviewed .
- Overall rank
- #45
- Tier
- A
- Score
- 79.9
- Main category
- Overall
Strengths
- Leads independent open-weight intelligence rankings in mid-2026
- MIT-licensed with a one-million-token context window
- Strong on real-world agentic and long-horizon coding tasks
Considerations
- Released mid-June 2026, so third-party evaluation coverage is still thin
- Chinese-hosted inference raises data residency questions for some teams
- Self-hosting the full weights needs substantial GPU capacity
Price
Open weights (MIT); API $1.40 input / $4.40 output per 1M tokens via Z.ai
Shown for reference — price is not part of the score.
Score breakdown
- Performance
- 82.0
- 55% of score
- Reputation
- 78.0
- 35% of score
- Recency
- 75.0
- 10% of score
The overall score combines these sub-scores using the weights shown. How we score →
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
Checked against the sources listed below.
Sources
- Artificial Analysis — open-source model comparison (GLM-5.2 max, 753B/40B active) (opens in a new tab)Accessed:
- Mistral Docs — Open-weight models (Z.ai GLM 5.2) (opens in a new tab)Accessed:
- Mistral Models Overview (opens in a new tab)Accessed:
- Perplexity Agent API — model list and pricing (opens in a new tab)Accessed:
- Swfte AI Model Leaderboard (Sep 2026) (opens in a new tab)Accessed:
Show 10 more sources
- The Open Weight Models that Matter: June 2026 (OpenRouter) (opens in a new tab)Accessed:
- Artificial Analysis — Intelligence Index leaderboard (opens in a new tab)Accessed:
- Perplexity Agent API Changelog (opens in a new tab)Accessed:
- Mistral Docs — Z.ai GLM 5.2 (1M context) (opens in a new tab)Accessed:
- Best AI Models 2026: Gemini, GPT-5.5, DeepSeek & More (opens in a new tab)Accessed:
- Best AI Model Right Now 2026 (opens in a new tab)Accessed:
- Best Open Source LLMs 2026 (Onyx) (opens in a new tab)Accessed:
- Best AI Models 2026 (opens in a new tab)Accessed:
- Artificial Analysis — AI Model & API Providers Analysis (opens in a new tab)Accessed:
- Best AI Models July 2026: GPT-5.6 & Claude 5 (opens in a new tab)Accessed:
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