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China Telecom Artificial Intelligence Technology Co., Ltd.🇨🇳

Xing4.0 29B A4B

Xing4.0 is a language model designed for engineering tasks, multi-step planning and tool use. Its mixture-of-experts architecture activates 4 billion of 29 billion parameters and combines latent attention with multi-token prediction.

CONTEXT256K
MAX OUTPUT236K
LAST SCAN10 Nov 2026
🏆First observed free at Cline, Kilo, OpenRouter on .
Reasoning Open weights Text

Free aggregator routes

These are the aggregator routes recorded in the current or last published catalog. Each route keeps its exact model ID and thinking information.

The supplied successful tests for this exact Cline route at 2026-11-05T13:01:39+00:00 and 2026-11-05T22:24:50+00:00 establish access without a top-up using the dedicated account that had never held credit or linked a payment method. Continued availability and quotas are not established.

Limits above: Cline. Available gateway routes are listed below.

The supplied Cline listing identifies xingchen-agi/xing4.0-29b-a4b:free, matching the exact namespaced version in OpenRouter's official catalog and the linked XingChen-AGI/Xing4.0-29B-A4B creator repository. This establishes the advertised model shared with known OpenRouter and Kilo entries, without establishing identical gateway settings or pinned revisions.

Cline
Info
Thinking
Supported
Model ID · Cline APIxingchen-agi/xing4.0-29b-a4b:free
Kilo
Info
Thinking
Supported
Model ID · Kilo APIxingchen-agi/xing4.0-29b-a4b:free
OpenRouter
Info
Thinking
Supported
Control
Can be toggled
Default
Enabled
Model ID · OpenRouter APIxingchen-agi/xing4.0-29b-a4b:free

Model sources

Use it through LiteLLM

Import the current LiteLLM-compatible YAML and use the exact model ID shown above. The catalog is generated from the same reviewed scan data as the download.

Download LiteLLM YAML

Sources & references