Z.ai: GLM 5.2 (free)
Z.ai: GLM 5.2 (free) is offered on OpenRouter's free tier — capacity is best-effort and provided by community/promotional partners. Available via z-ai. 128,000-token context. Free tier on OpenRouter.
Z.ai: GLM 5.2 (free) is a efficient AI model from z-ai. It costs $0.000 per million input tokens and $0.000 per million output tokens (blended $0.000/M), with a 128,000-token context window.
- Zero marginal cost
- Useful for prototyping and evals
- Behaviour identical to the paid tier of the same model
- Prototyping
- Hobby projects
- Evaluation against the paid tier
Benchmarks
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How much does Z.ai: GLM 5.2 (free) cost?
Z.ai: GLM 5.2 (free) costs $0.000 per million input tokens and $0.000 per million output tokens, for a blended reference rate of $0.000 per million tokens.
What is Z.ai: GLM 5.2 (free)'s context window?
Z.ai: GLM 5.2 (free) supports up to 128,000 tokens of context in a single request.
What is Z.ai: GLM 5.2 (free) best for?
Z.ai: GLM 5.2 (free) is well suited to Zero marginal cost, Useful for prototyping and evals and Behaviour identical to the paid tier of the same model.
Who makes Z.ai: GLM 5.2 (free)?
Z.ai: GLM 5.2 (free) is developed and served by z-ai.