Best for / Writing

Best AI for writing

Every tool below sat the same emails, documents, summaries and tone tasks and was marked blind by three AI judges from three different companies. The ranking is those scores — not opinion, not commission.

updated 9 Aug 2026 · tested by Robert Prime · every score has downloadable receipts

The verdict

ChatGPT

Scored 90/100 on our writing testsbarely ahead of Claude (90), so either is a fine choice. You use it to answer questions, write text, create images, and write computer code. There is a free version, so trying it costs nothing.

#ToolOur scorePublic saysFree?Paid from
1ChatGPTYou use it to answer questions, write text, create images, and write computer code.90/1004.78· 60.9m reviewsYes
2ClaudeIt helps you analyze data, write code, and think through your hardest work.90/1004.54· 885k reviewsYes$20/mo
3GeminiIt helps you with writing, planning, and brainstorming.89/1004.59· 43.9m reviews£7.99/mo

How this ranking is made: each tool answers the identical published task suite; three AI judges from three different labs mark every answer blind against a fixed rubric; a response that breaks a task’s explicit rules is capped automatically. The score is the average, out of 100. Full protocol · ChatGPT receipts · Claude receipts · Gemini receipts

Head-to-head in writing

Tools not listed have not been scored in this category yet — we rank only what we have actually tested, and this page re-ranks itself every time a new run lands.