Z.ai: GLM 5.2 (free) Free API on OpenRouter

Free API Verified

Available from OpenRouter

Catalog profile API ready provider catalog metadata

Z.ai: GLM 5.2 (free) is a free model available from OpenRouter.

Free APIOpenAI compatibleText

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://openrouter.ai/api/v1

Model ID

z-ai/glm-5.2:free

API format OpenAI Chat Completions + OpenAI Responses

Technical Details

Z.ai: GLM 5.2 (free) specifications

Provider catalog

Context window 256K

Max output 33K

Status Online

Last updated Aug 17, 2026

Free listing since Aug 17, 2026

Input text

Output text

AI Recommendation

Should you use Z.ai: GLM 5.2 (free)?

Z.ai: GLM 5.2 (free) is listed for chat workloads and supports a 256K context window.

Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Works with OpenAI-style SDKs
Live API verification available

Watch outs

Free-tier rate limits apply
Vision support is not listed
Tool calling is not confirmed

Pricing

Z.ai: GLM 5.2 (free) pricing per 1M tokens

Free tier listed

Input $0 per 1M tokens

Output $0 per 1M tokens

Free access Available OpenRouter

Rate limit 200 req/day (free tier) provider policy

Availability

Z.ai: GLM 5.2 (free) availability by provider

Current provider only

We only found this Z.ai: GLM 5.2 (free) listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
OpenRouter	Z.ai: GLM 5.2 (free)	Free tier	256K	OpenAI-style	200 req/day (free tier)

View OpenRouter setup guide →

Compare

Z.ai: GLM 5.2 (free) alternatives to consider

Open comparison

Model	Provider	Context	Access
Poolside: Laguna S 2.1 (free)	OpenRouter	262K	Free tier
Poolside: Laguna XS 2.1 (free)	OpenRouter	262K	Free tier
Cohere: North Mini Code (free)	OpenRouter	256K	Free tier
NVIDIA: Nemotron 3.5 Content Safety (free)	OpenRouter	128K	Free tier
NVIDIA: Nemotron 3 Ultra (free)	OpenRouter	1.0M	Free tier

Typical Use Cases

Z.ai: GLM 5.2 (free) use cases

Chat

Z.ai: GLM 5.2 (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Z.ai: GLM 5.2 (free) free API FAQ

Is Z.ai: GLM 5.2 (free) free to use?

Z.ai: GLM 5.2 (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.

What is the Z.ai: GLM 5.2 (free) model ID?

The model ID shown in this catalog is z-ai/glm-5.2:free.

What are the Z.ai: GLM 5.2 (free) free tier rate limits on OpenRouter?

The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.

What context window does Z.ai: GLM 5.2 (free) support?

The listed context window is 256K tokens with up to 33K output tokens.

More about Z.ai: GLM 5.2 (free)