Xing 4.0 29B A4B

xingchen-agi/xing4.0-29b-a4b

China Telecom’s Xing 4.0 is an Apache 2.0 open-weight mixture-of-experts model with 29B total and 4B active parameters, designed for coding, reasoning and tool use. Supports text input, structured output and a shared 262,144-token input/output context. This route does not use a TEE.

Reasoning
Tool calling
Structured output

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $0.242 per 1M tokens
Output: $0.99 per 1M tokens
Cache read: $0.0121 per 1M tokens
Typical message: $0.00062

Details

Provider: xingchen-agi
Context: 262K tokens
Added: Oct 24, 2026
Reasoning effort: none, minimal, low, medium, high, xhigh, max

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/chat/completions \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "xingchen-agi/xing4.0-29b-a4b",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Pricing

Details

Use it from the API

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