GLM 5.2 Fast Preview API Pricing

GLM 5.2 Fast Preview pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

What GLM 5.2 Fast Preview costs in practice

1,000 requests with 2,000 input and 500 output tokens each

100 long-document requests with 100,000 input and 2,000 output tokens each

GLM 5.2 Fast Preview features

• Function calling
• Structured output
• Reasoning
• Prompt caching

Use GLM 5.2 Fast Preview with LiteLLM

Call GLM 5.2 Fast Preview through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="aihubmix/glm-5.2-fast-preview",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: glm-5.2-fast-preview
    litellm_params:
      model: aihubmix/glm-5.2-fast-preview
      # credentials: see the provider's LiteLLM docs page

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "glm-5.2-fast-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

GLM 5.2 Fast Preview FAQ

More Z.ai models

• GLM 5 Turbo$1.20 / $4 per 1M tokens
• GLM 5.3$1.40 / $4.40 per 1M tokens
• GLM 5.3 Flash$0.15 / $0.50 per 1M tokens
• GLM 5.1 Nvfp4 Mtp$1.40 / $4.40 per 1M tokens
• GLM 5.2$1.40 / $4.40 per 1M tokens
• GLM 5.1$1.40 / $4.40 per 1M tokens
• GLM 5 Code$1.20 / $5 per 1M tokens
• GLM 5$1 / $3.20 per 1M tokens