OpenRouter lists XingChen Xing4.0 29B A4B on the free API route at USD 0 per 1M input and output tokens, with a 262,144-token context window. The free endpoint is rate-limited, currently served through Phala, and is not available through EU in-region routing; availability and rate limits are not guaranteed.
Use-case fit and limitations from the existing resource record.
Free endpoints rate-limited; upstream availability variable; no EU in-region routing. Not a guaranteed long-term free entitlement or account-received credit.
Available
Non-price resource facts only; pricing, history, and evidence stay in their own sections.
Decision visuals remain traceable to the existing source and verification record.
Independent ranking · native prices · evidence-linked · commercial relationships isolated from scoring and publication.