Claude vs Perplexity

Both Claude and Perplexity sit in AI Assistants for Accountants, and firms regularly shortlist them together. They are not interchangeable: Claude is aimed at working through long documents, while Perplexity is built for quick research with sources. Claude has a free plan with paid tiers quoted by the vendor, and Perplexity has a free plan with paid tiers quoted by the vendor.

Choose Claude if

• You need working through long documents
• Handles very long documents
• Good at plain-English explanation

Choose Perplexity if

• You need quick research with sources
• Always shows sources
• Good for current information

What to watch either way

• Claude: No ledger connection
• Perplexity: Web sources vary in reliability

Testing them

Claude has a free plan, and Perplexity has a free plan. Whichever you trial, run it on your messiest real documents rather than a clean demo file — that is where the difference between these two actually shows up.