Xing4.0 29B A4B (free)
Xing4.0 29B A4B (free) is a text-based language model offered by XingChen and developed by China Telecom's AI team, TeleAI. It supports reasoning and tool calling, has a 262,144-token context window, and is free to use.
Xing4.0 29B A4B (free) specs and pricing
- Provider: XingChen
- Released: October 16, 2026
- Context window: 262K tokens
- Max output: 236K tokens
- Input: text
- Output: text
- Price: free
- Reasoning: yes
- Tool calling: yes
What Xing4.0 29B A4B (free) is good at
- Analyzing long text documents
- Reasoning through text-based problems
- Text tasks that use external tools
To-dos to try with Xing4.0 29B A4B (free)
- Read this contract text and list every deadline.
- Compare these two proposals and summarize their differences.
- Use the provided calculator tool to check the totals in this budget.
FAQ
- Can Xing4.0 29B A4B read images? No. The listed input type is text only.
- Who developed Xing4.0 29B A4B? It was developed by TeleAI, China Telecom's AI team. It is an open-weight successor to the TeleChat series.
- How much does Xing4.0 29B A4B (free) cost? Xing4.0 29B A4B (free) is available as a free model. In todo.is it doesn't use credits, though free models can be rate-limited by the provider.
- What is the context window of Xing4.0 29B A4B (free)? Xing4.0 29B A4B (free) can read up to 262K tokens at once and write up to 236K tokens in one reply.
- Can I use Xing4.0 29B A4B (free) without coding? Yes. In todo.is you pick Xing4.0 29B A4B (free) as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.