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

https://harperscoolthoughts.inkharbory.com/posts/is-there-a-claude-pro-alternative-that-costs-less-and-includes-more-models

Suprmind offers a unified workspace combining Claude, GPT, Gemini, Grok, and Perplexity in a single thread, making it easier to compare AI outputs side-by-side. Plans start at $20, similar to Claude Pro, with a 7-day trial that requires no credit card.