FreeTheAI documentation

A free, OpenAI-compatible API for GLM 5.3, Kimi K3, MiniMax M3, and dozens more models. Keep the OpenAI or Anthropic client you already use, change the base URL and key, and start sending requests.

Quickstart API reference

curlPythonTypeScript

bash

curl https://api.freetheai.org/v1/chat/completions \
  -H "Authorization: Bearer $FTAI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "fta/zai/glm-5.3",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

python

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.freetheai.org/v1",
    api_key=os.environ["FTAI_KEY"],
)

reply = client.chat.completions.create(
    model="fta/zai/glm-5.3",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)

import OpenAI from 'openai'

const client = new OpenAI({
  baseURL: 'https://api.freetheai.org/v1',
  apiKey: process.env.FTAI_KEY,
})

const reply = await client.chat.completions.create({
  model: 'fta/zai/glm-5.3',
  messages: [{ role: 'user', content: 'Hello!' }],
})
console.log(reply.choices[0].message.content)

Base URL: https://api.freetheai.org/v1OpenAI SDKs and most apps
Anthropic base URL: https://api.freetheai.orgClaude Code and the Anthropic SDK
Auth header: Authorization: Bearer ftai_...
Free tier: 50 requests a day, reset 00:00 UTC+50 a day for linking Discord. One request at a time, plus a short daily check-in.

Paid models and plans are coming soon. Nobody needs to pay to use the free tier, and FreeTheAI does not store your prompts or replies.