OpenRouter acts like a simple model switcher, directing your prompts to...

https://bizzmarkblog.com/suprmind-vs-openrouter-what-do-you-lose-if-you-just-use-an-aggregator/

OpenRouter acts like a simple model switcher, directing your prompts to different AI models but resets context with each call. Suprmind goes deeper by chaining multiple models together, letting them build on each other’s outputs in sequence