Hy3 and Grok Build 0.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Hy3, from tencent, has a 262,144-token context window and is priced at $0.126/M tokens input, $0.522/M tokens output on OpenRouter.
Grok Build 0.1, from SpaceXAI, has a 256,000-token context window and is priced at $1/M tokens input, $2/M tokens output on OpenRouter.