UI-TARS 7B and Laguna XS 2.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
UI-TARS 7B , from bytedance, has a 128,000-token context window and is priced at $0.10/M tokens input, $0.20/M tokens output on OpenRouter.
Laguna XS 2.1, from poolside, has a 262,144-token context window and is priced at $0.06/M tokens input, $0.12/M tokens output on OpenRouter.