GLM 5.2

glm-5.2 · Z.AI

GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.

API Pricing

Input$1.127 / 1M tokens
Output$3.944 / 1M tokens
Cache read$0.282 / 1M tokens

Specifications

Context1M tokens
Max output131K tokens
Modalitiestext
CapabilitiesThinking, Streaming, Tool calling, Structured outputs, Prompt caching
Endpointschat_completions, claude_api

Frequently asked questions

What is GLM 5.2?

GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.

What is the context length of GLM 5.2?

GLM 5.2 has a 1,000,000 token context window. It supports up to 131,072 output tokens.

How much does GLM 5.2 cost?

On AIHubMix, GLM 5.2 costs $1.127 per million input tokens and $3.944 per million output tokens. Cached input reads are billed at $0.282 per million tokens.

What modalities does GLM 5.2 support?

GLM 5.2 accepts text input.

What capabilities does GLM 5.2 support?

GLM 5.2 supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

How do I call GLM 5.2 via API?

GLM 5.2 is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to glm-5.2 — no other code changes needed.

Who created GLM 5.2?

GLM 5.2 is developed by Z.AI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

When was GLM 5.2 released?

GLM 5.2 was released on June 16, 2026 by Z.AI.

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