Zai GLM 5.3 Flash API Pricing

Zai GLM 5.3 Flash 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 Zai GLM 5.3 Flash 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

Zai GLM 5.3 Flash cost calculator

At Mistral AI's price ($0.15 input, $0.50 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $4.00 a day, about $120 a month. Change the numbers for your workload, or compare it with other models.

Zai GLM 5.3 Flash features

Input: text, image. Output: text.

• Function calling
• Structured output
• Image input
• Reasoning
• Prompt caching

Use Zai GLM 5.3 Flash with LiteLLM

Call Zai GLM 5.3 Flash 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="mistral/zai-glm-5-3-flash",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: zai-glm-5-3-flash
    litellm_params:
      model: mistral/zai-glm-5-3-flash
      api_key: os.environ/MISTRAL_API_KEY

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $LITELLM_API_KEY" \
  -d '{
    "model": "zai-glm-5-3-flash",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Zai GLM 5.3 Flash FAQ

Related models

• Zai GLM$1.40 / $4.40 per 1M tokens
• Zai GLM 5$1.40 / $4.40 per 1M tokens
• Zai GLM 5.3$1.40 / $4.40 per 1M tokens
• Zai GLM 5.2$1.40 / $4.40 per 1M tokens