Suprmind offers a unique alternative to Grok by letting you keep Grok alongside...

https://miassmartop-eds.capitaljays.com/posts/can-i-upload-one-pdf-and-have-all-models-answer-from-the-same-passages

Suprmind offers a unique alternative to Grok by letting you keep Grok alongside GPT, Claude, Gemini, and Perplexity—all in a single conversation thread. Plans start at $19 for Spark and $45 for Pro