Zhipu AI · GLM
GLM-5.1
zhipuai/glm-5.1
Open GLM coding model for agentic engineering, terminals and repository generation.
Model specifications
- Context window
- 200K tokens
- Output limit
- 131K tokens
- Release date
- 2026-04-07
- Input modalities
- text
- Output modalities
- text
- Last updated
- 2026-04-07
Provider pricing
USD per 1M tokens. Limits may differ from the underlying model.
Checked 2026-08-06
Z.AI
glm-5.1
- Input
- $1.4
- Output
- $4.4
- Context
- 200K
OpenRouter
z-ai/glm-5.1
- Input
- $0.95
- Output
- $2.99
- Context
- 205K
Promotions, plan quotas, cache pricing and regional taxes are not included. Recheck the provider before purchase.
GLM-5.1 FAQ
Is GLM-5.1 an open-weight model?
Yes. GLM-5.1 is tracked as open weight; review the linked license and model source before redistribution or production deployment.
What is the context window for GLM-5.1?
GLM-5.1 has a tracked context window of 200K tokens and a maximum output of 131K tokens. Provider limits can be lower.
What input does GLM-5.1 support?
The current record lists text input and text output. Check the exact provider route before relying on a modality in production.
How much does GLM-5.1 cost?
This page compares 2 tracked provider offerings in USD per 1M tokens where public prices are available. Promotions, cache rates, taxes and plan quotas may differ.