Model Selection ComparisonsComparison

Claude, ChatGPT, Perplexity, Grok as top AI app stack

April 4, 2026Shruti, Shushant Lakhyani

Shruti and Shushant Lakhyani both publish short lists of best AI mobile apps, repeatedly featuring Claude, ChatGPT, Perplexity, and Grok as the default consumer stack for writing, research, and chat.

1. Claude (solve anything)
2. ChatGPT (chat AI)
4. Perplexity (research anything)
1. Grok: Generative AI chatbot built by Elon Musk's xAI
2. Claude: Anthropic's AI assistant for writing, analysis,
Shruti
Shushant Lakhyani
app stackmobileclaudeanthropicelongrokchatgptxaiperplexity

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