Suprmind offers a single workspace combining Claude, GPT, Gemini, Grok, and...

https://suprmind.ai/hub/claude/best-claude-alternative/

Suprmind offers a single workspace combining Claude, GPT, Gemini, Grok, and Perplexity in shared threads, helping teams compare AI outputs without switching tools. Plans start at $19/month with a 7-day free trial—no credit card required for evaluation.