Models and prices / glm-5.3-flash

GLM-5.3 Flash 5% off

The fast, low-cost GLM model for everyday chat, extraction and high-volume jobs.

OpenAI compatibleAnthropic compatible

Pricing

Item (USD per 1M tokens)Price
Input$0.15$0.1418
Cached input$0.0284
Output$0.5$0.4726
  • Send glm-5.3-flash as the model.
  • Cached input is the part of a prompt served from the context cache. The struck-through price is the model maker's own price.
  • Thinking is billed as output tokens. Set max_tokens to 1000 or more, or the budget may go to thinking alone.

Specs

Context window1M tokens
Longest answer128K tokens
Inputtext, images, video, files
APIsOpenAI Chat Completions, Anthropic Messages
Reasoning (thinking)Yes, billed as output tokens

Call it with the OpenAI API

curl https://api.aifans.fan/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "glm-5.3-flash", "messages": [{"role": "user", "content": "Hello"}], "max_tokens": 1000}'
# pip install openai
from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.aifans.fan/v1")
resp = client.chat.completions.create(
    model="glm-5.3-flash",
    messages=[{"role": "user", "content": "Hello"}],
    max_tokens=1000,
)
print(resp.choices[0].message.content)

Use it in Claude Code

Put this in ~/.claude/settings.json (Windows: %USERPROFILE%\.claude\settings.json) and start Claude Code.

{
  "env": {
    "ANTHROPIC_BASE_URL": "https://api.aifans.fan",
    "ANTHROPIC_AUTH_TOKEN": "YOUR_API_KEY",
    "ANTHROPIC_MODEL": "glm-5.3-flash",
    "ANTHROPIC_DEFAULT_OPUS_MODEL": "glm-5.3-flash",
    "ANTHROPIC_DEFAULT_SONNET_MODEL": "glm-5.3-flash",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "glm-5.3-flash",
    "CLAUDE_CODE_SUBAGENT_MODEL": "glm-5.3-flash"
  }
}