ChatGPT01
AI toolsFree + paid plans
ChatGPT
Draft, research and work through ideas with a general-purpose AI assistant.
COMPRHUB / UNITED KINGDOM
AI tools.
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AI tools
Claude02
AI toolsFree + paid plans
Claude
Write, analyse documents and develop code with a conversational AI assistant.
perplexity03
AI toolsFree + paid plans
Perplexity
Explore questions through AI-generated answers with linked sources.
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Sources checked: 9 Sept 2026COMPRHUB · 8 EDITIONS