WizardLM-2 8x22B and GPT-6 Astra Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
WizardLM-2 8x22B, from Microsoft, has a 65,535-token context window and is priced at $0.62/M tokens input, $0.62/M tokens output on OpenRouter.
GPT-6 Astra Pro, from OpenAI, has a 1,050,000-token context window and is priced at $10/M tokens input, $50/M tokens output on OpenRouter.