Best tool for · Writing

What's the best long-form & books tool?

Articles, ebooks and manuscripts.

AgentHustles ResearchPrices checked 7 tools considered

First hour with Claude: setup checklist in the profile.

Short comparison

ToolPricing modelFree planStarting priceDifficultyOutput rightsBest for
ClaudeFree plan + paid plansYes$0 · then $20/mo, or $17/mo billed yearly ($200 upfront)1/5You own or may use output commerciallyLong documents, careful writing and code
ChatGPTFree plan + paid plansYes$0 · then $20/mo (Plus); Go: USD price not published for our region1/5You own or may use output commerciallyAll-purpose drafting, research and analysis
ProWritingAidFree plan + paid plansYesSee official site2/5–Novelists and long-form writers
SudowritePaid plans onlyTrial onlySee official site2/5–Drafting and brainstorming fiction
AtticusOne-time purchaseNoSee official site2/5–Formatting books for KDP without Vellum
VellumOne-time purchaseTrial onlySee official site2/5–Professional book formatting on Mac

Ranked by fit for solo businesses: tools we profile in depth first, then those used in our research notes, then the rest. Affiliate status never changes the order. See all 7 long-form & books tools with a ranked shortlist.

Quick answers

What's the best long-form & books tool?

Our overall pick is Claude: Long documents, careful writing and code.

What's the best free long-form & books tool?

Claude, which has a free plan or free version. Long documents, careful writing and code.

Which long-form & books tool is easiest for beginners?

ChatGPT, rated 1/5 to learn.

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