the chart
XingChen

Xing4.0 29B A4B (free)

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

Holders first until 2026-10-23

Free

$0 per 1M tokens you send$0 per 1M tokens it writesreads 262k tokens at once

Published capabilitiestool callingjson schema
Chat with Xing4.0 29B A4B (free)Call it from code

About

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...

In XingChen's words.

Try it here

Whatever it says appears here.

Published facts

What the upstream's catalog says about this world, with its price as billed here.

Context window
262,144 tokens
Longest answer
235,929 tokens
Input, per 1M tokens
$0
Output, per 1M tokens
$0
Margin
none
Reads
text
First listed
2026-10-16

Speed and reliability measured on this gateway join these once this world has served requests through Antimatter.

Price and latency history as JSON: GET /api/planet/history?id=xingchen-agi/xing4.0-29b-a4b:free.

Call it

One OpenAI compatible endpoint, this model's id, and an am_live_ key from the dashboard. Or try it in chat first, no key needed.

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

Everything else is in the docs.

Embed this

A badge with this world's live price per million tokens, as billed here, for a README or a site. It links back to this page.

Xing4.0 29B A4B (free) price on Antimatter
<a href="https://useantimatter.com/planet/xingchen-agi/xing4.0-29b-a4b%3Afree"><img src="https://useantimatter.com/api/badge/price?id=xingchen-agi%2Fxing4.0-29b-a4b%3Afree" alt="Xing4.0 29B A4B (free) price on Antimatter" height="28"></a>

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