GLM-5.1 API pricing on OpenRouter
Every OpenRouter GLM-5.1 rate we track, compared against 8 providers serving the same model.
The cheapest GLM-5.1 input price we currently track is $0.900/1M on RouterPlus.
The cheapest GLM-5.1 output price is $2.90/1M on RouterPlus.
OpenRouter GLM-5.1 rates
Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.
| Mode | Input | Output |
|---|---|---|
| Standard | $1.40/1M | $4.40/1M |
About GLM-5.1
- Creator
- Z.ai
- Context
- 200K
- Modalities
- text
- Open weights
- Yes
GLM-5.1 on other providers
About OpenRouter
OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.
Frequently Asked Questions
How much does GLM-5.1 cost on OpenRouter?
OpenRouter serves GLM-5.1 from $1.40 per 1M input tokens, across 1 tracked pricing mode. Prices are collected daily — see the table above for current input, output, and cached-input rates.
Is OpenRouter the cheapest way to run GLM-5.1?
OpenRouter ranks #4 of 8 providers we track serving GLM-5.1 on input price. The cheapest input price right now is on RouterPlus. The lowest output price is $2.90/1M on RouterPlus. Rates change often, and throughput, latency and context limits differ between providers — check the comparison above before committing.
Does OpenRouter offer batch or cached pricing for GLM-5.1?
We track 1 GLM-5.1 offering from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.