LLMCost
xingchen-agi

XingChen: Xing4.0 29B A4B (free) API Pricing

XingChen: Xing4.0 29B A4B (free) costs Free per 1M input tokens and Free per 1M output tokens. Context window: 262K. Prices verified 2026-10-21 · source

🔔 Price alerts coming soon
Price history
2026-10-17 → 2026-10-21 · 59 daily snapshots
inputoutput

Rebuilt daily from our snapshot archive — the chart appears once a model has 5+ snapshots of history.

Community adoption
26K
HF downloads
2K
Likes

High adoption means battle-tested weights, more fine-tunes/quants, and faster bug fixes. View on HuggingFace →

Pricing behavior
Stable — no price moves across our 59 daily snapshots (2026-08-23 → 2026-10-21).

From our own daily snapshot archive — independent of provider announcements.

Input / 1M tokens
Free
Output / 1M tokens
Free
Context window
262K
Max output
236K
Reasoning behavior
Mode: On by default (toggleable)

Higher effort = deeper thinking = more reasoning tokens billed as output.

What would XingChen: Xing4.0 29B A4B (free) cost you per month?

WorkloadRequests/moAvg tokens (in/out)Est. monthly cost
Light chatbot10,000800 / 400$0.00
Coding agent5,0008,000 / 2,000$0.00
RAG pipeline30,0004,000 / 500$0.00
Doc summarizer2,00020,000 / 1,000$0.00

Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.

About XingChen: 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...

Compare XingChen: Xing4.0 29B A4B (free) with

    Popular head-to-heads — see all on the comparisons index.

    Frequently asked questions

    How much does XingChen: Xing4.0 29B A4B (free) cost?

    XingChen: Xing4.0 29B A4B (free) costs Free per 1M input tokens and Free per 1M output tokens. Verified 2026-10-21 — provider source.

    What is the context window?

    262K tokens, with up to 236K output tokens per response. That's roughly 328 pages of text in a single request.

    Does it support prompt caching?

    Prompt-caching pricing is not published for this model via OpenRouter.

    What's a cheaper alternative?

    Check the value chart for models with similar intelligence at lower cost.

    Official resources