LongCat 2.0 and Sakana Namazu are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
LongCat 2.0, from meituan, has a 1,048,756-token context window and is priced at $0.30/M tokens input, $1.20/M tokens output on OpenRouter.
Sakana Namazu, from sakana, has a 262,144-token context window and is priced at $0.95/M tokens input, $4/M tokens output on OpenRouter.