Z.ai: GLM 5.2
Analysis Summary
Z.ai's GLM 5.2 sits at the frontier of intelligence and agentic capability, with benchmark scores that place it alongside the top models in the field. Its 1M token context window, tool use, and function calling make it a technically complete package for complex, multi-step workflows. The agentic index is particularly strong, reflecting reliable performance on autonomous task execution.
For businesses, GLM 5.2 is well-suited to coding assistance, long-document analysis, and agentic pipelines where multi-step reasoning is required. The lack of vision support limits its use in multimodal workflows, but for text-based tasks it competes directly with models from Anthropic and Google. Pricing is moderate, sitting between budget and premium tiers.
Teams evaluating frontier-grade agentic models should consider GLM 5.2 seriously on capability grounds, though adoption may require additional integration work compared to more established API ecosystems. Apply a -4 point regional penalty for limited enterprise availability.
Assessed June 17, 2026
Editorial notes
GLM 5.2 from Z.ai delivers world-class reasoning, a 1M token context window, strong agentic performance, and full tool and function calling support at competitive pricing.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How Z.ai: GLM 5.2 compares
Z.ai: GLM 5.2 ranks #7 of 380 AI models we track for overall intelligence, #13 of 317 for coding, #5 of 292 for agentic tasks. Its 1M-token context window is larger than 97% of the models we list. At $1.40 per million input tokens it is cheaper than 18% of comparable models.
About Z.ai: GLM 5.2
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,..
Capabilities
Performance Indices
Source: Artificial Analysis
This model was released recently. Independent benchmark evaluations are typically completed within days of release, so these figures are preliminary and are likely to be updated as testing is finalised.
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does Z.ai: GLM 5.2 stack up?
Compare side-by-side with other professional models.
Model Information
| OpenRouter ID |
z-ai/glm-5.2
|
| Provider | z-ai |
| Release Date | June 16, 2026 |
| Context Length | 1,048,576 tokens |
| Max Completion | 262,144 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $1.40 | $0.001400 |
| Output | $4.40 | $0.004400 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
External Resources
Explore Related Models
Frequently asked questions about Z.ai: GLM 5.2
How much does Z.ai: GLM 5.2 cost?
Z.ai: GLM 5.2 costs $1.40 per million input tokens and $4.40 per million output tokens.
What is the context window of Z.ai: GLM 5.2?
Z.ai: GLM 5.2 has a context window of 1,048,576 tokens (1M).
Is Z.ai: GLM 5.2 good for coding?
On our coding benchmark index, Z.ai: GLM 5.2 ranks #13 of 317 models, placing it in the top quartile of the field for code generation and debugging.
What can Z.ai: GLM 5.2 do?
Z.ai: GLM 5.2 supports tool use and function calling.
Who created Z.ai: GLM 5.2?
Z.ai: GLM 5.2 is developed by Z.ai and was released on June 16, 2026.
Data sourced from OpenRouter API, Artificial Analysis and Hugging Face Open LLM Leaderboard. Scores are editorially curated by our team.
Last updated: June 17, 2026 8:38 pm