FLUX.2 Max and GPT Image 1 Mini are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
FLUX.2 Max, from black-forest-labs, has a 46,864-token context window and is priced at $0.07/megapixel on OpenRouter.
GPT Image 1 Mini, from OpenAI, has a 400,000-token context window and is priced at $2.50/M tokens input, $2.50/M tokens output on OpenRouter.