XingChen: Xing4.0 29B A4B (free) · kilo

Xing4.0-29B-A4B is an open-weight mixture-of-experts language model from China Telecom's AI team (TeleAI) and the successor to the TeleChat series. It has 29B total parameters with 4B active per token...

Base model All models on this base All models of the provider to the provider

Input, $/1M Free

Output, $/1M Free

Limits not published by the provider - free does not mean unlimited

Context 262 144

Max output 235 929

Accepts text

Last checked 04.11.2026 12:26:37 UTC

Source provider's page

Price alerts

API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://api.kilo.ai/api/gateway`
Endpoint	`https://api.kilo.ai/api/gateway/chat/completions`
Model id	`xingchen-agi/xing4.0-29b-a4b:free`

curl

curl https://api.kilo.ai/api/gateway/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "xingchen-agi/xing4.0-29b-a4b:free", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'

Python

import requests

r = requests.post(
    "https://api.kilo.ai/api/gateway/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "xingchen-agi/xing4.0-29b-a4b:free",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())

JavaScript

const r = await fetch("https://api.kilo.ai/api/gateway/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "xingchen-agi/xing4.0-29b-a4b:free",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());

Request (JSON)

{
  "model": "xingchen-agi/xing4.0-29b-a4b:free",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}

Response (JSON)

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "xingchen-agi/xing4.0-29b-a4b:free",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Akilo%7Cxingchen-agi/xing4.0-29b-a4b%3Afree, prices checked 2026-11-04; seller's page: https://kilo.ai

Technical details

ID: offer:kilo|xingchen-agi/xing4.0-29b-a4b:free