# LongCat 2.0 Online

> LongCat 2.0 Online is an independent, third-party browser Playground and OpenAI-compatible API for evaluating and integrating the LongCat 2.0 model. It is operated by Luluisland Studio and is not the official LongCat project website.

## Primary pages
- Homepage and Playground: https://longcat20.online/
- API documentation: https://longcat20.online/api
- Retail pricing: https://longcat20.online/pricing
- Machine-readable pricing: https://longcat20.online/pricing.md
- Blog and evaluation guides: https://longcat20.online/blog
- Editorial policy: https://longcat20.online/editorial-policy
- Contact: https://longcat20.online/contact

## Product facts
- Login is required for Playground and API use.
- New accounts receive 2,000 evaluation credits valid for 30 days.
- Daily login grants 100 credits, capped at 1,000 per month.
- The public API uses the OpenAI chat completions format.
- Retail prices and credit rules are published at https://longcat20.online/pricing.

## Publisher
Content is published by the LongCat 2.0 Online Editorial Team, a Luluisland Studio project. Product configuration and first-party behavior are verified against the running service; upstream model claims are attributed to official sources; community reports remain clearly labeled.

Last reviewed: 2026-07-10