Xing4.0 29B A4B (free)

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 and a native 256K-token context window. It was trained entirely on Ascend NPUs with the MindSpore framework and is tuned for complex engineering and agent work: tool calling, multi-step planning, and long-context execution. Reasoning is on by default and can be turned off.

ChatXingchen Agi262k tokensFree

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

Context
262k tokens
Completion cap
235,929
Tools
Yes
JSON
Yes
Released
2026-10-16

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "xingchen-agi/xing4.0-29b-a4b:free",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
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Frequently asked questions

What is Xing4.0 29B A4B (free)?
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 and a native 256K-token context window. It was trained entirely on Ascend NPUs with the MindSpore framework and is tuned for complex engineering and agent work: tool calling, multi-step planning, and long-context execution. Reasoning is on by default and can be turned off. Xing4.0 29B A4B (free) runs on the Geek Hub API (OpenAI-compatible). Model id: xingchen-agi/xing4.0-29b-a4b:free.
Is Xing4.0 29B A4B (free) free?
Yes. The listed price is zero — you are not charged for prompt or completion tokens. Free endpoints are rate limited.
What is the context length of Xing4.0 29B A4B (free)?
Xing4.0 29B A4B (free) has a 262k tokens context window. It supports up to 235,929 completion tokens.
Does Xing4.0 29B A4B (free) support tool calling and structured outputs?
Xing4.0 29B A4B (free) accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
When was Xing4.0 29B A4B (free) released?
Xing4.0 29B A4B (free) was released on 2026-10-16.