As recorded at collection: 4Router (4router.net) 8.8-dollar credit

4Router is a relay API service, meaning a third-party service that provides access to official APIs, where you can use Claude and GPT models in one place. The operators state that they do not reduce model performance or store request data. They also support tax invoice issuance, business integrations, and resale partnerships.

linux.do users receive an additional 8.8-dollar credit as a benefit, and can also get a 2-dollar top-up code by joining QQ group 929658224. Participants in the 2026 National College Student Electronic Design Contest can post a screenshot of the proof of participation from the competition’s official website along with their 4Router ID in the comments to receive exclusive access to the gptPro account pool at 0.01 times the official rate.

The ccMax-sale category costs 1.2 times the official rate, and the gptPro category costs 0.45 times the official rate. Access at 0.01 times the official rate applies only to people with proof of participation during the competition period. The benefits available to general users are limited to the 8.8-dollar credit and the 2-dollar top-up code obtained by joining the QQ group.