Grok 4.6 and Sakana Namazu are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/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.