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ChatGPT vs Sudowrite in 2026

Compare ChatGPT, Sudowrite and Connections Writing for book writing: what each is built for, prices, getting started, and how to choose in 2026.

By Uncommon Comforts ยท

Uncommon Comforts is published by the team behind Connections, whose products are compared here alongside other tools.

ChatGPT offers a free version available to everyone, and paid plans Go, Plus, Business and Enterprise are priced per user per month [1][1]. Sudowrite is an AI writing partner for fiction with published prices from $10 a month [2][2]. Connections Writing is made by the team that publishes this site and plans a book out chapter by chapter before the AI writes it, with a free start. Which to choose depends on whether the need is everyday chat, fiction drafting, or a planned book.

OptionOwn feeFree option
ChatGPTNot published (paid plans Go, Plus, Business and Enterprise are per user per month [1])Free version available to everyone [1]
Sudowrite$10 per month after free trial [2]; Hobby & Student $10 per month [3]; Professional $22 per month [3]Free trial [2]
Connections WritingConnections Pro $39.99 a month [4]; Connections Business $99.99 a month [4]; Connections Business Plus $199.99 a month [4]Connections Free $0 [4]

The short answer

ChatGPT is a general-purpose chat tool whose maker offers a free version open to everyone, and paid plans for individuals, business and enterprise [1][1]. Sudowrite describes itself as an AI writing partner for fiction, founded by the writers Amit Gupta and James Yu [2][2]. Its sources say ChatGPT Free includes everyday text chats [1], and Sudowrite describes itself as an AI writing partner for fiction [2]. ChatGPT Free includes everyday text chats [1]. Sudowrite describes itself as an AI writing partner for fiction [2]. Connections Writing plans a book out chapter by chapter before the AI writes it one section at a time [4][4].

What ChatGPT and Sudowrite are built for

ChatGPT's own page says its free version is available to everyone [1]. The free version covers everyday text chats [1], with limited image creation [1] and limited deep research [1]. Access is on web, iOS and Android for the listed plans [1]. ChatGPT also has paid plans named Go, Plus, Business and Enterprise, priced per user per month [1], with monthly plans for Go, Plus and Business [1] and annual plans for Business and Enterprise [1]. ChatGPT says all data is encrypted in transit using TLS 1.2 [1].

Sudowrite describes itself as the non-judgemental AI writing partner you always wanted [2]. Its Write feature suggests the next 300 words in the user's voice [2]. Its Feedback feature gives five actionable areas to improve [2]. It offers eight themes and five dark modes [2], and says it has 1,000+ add-ons [2].

What Connections Writing is built for

Connections Writing is made by the team that publishes this site. For a person who runs things, it takes a premise and how the book should sound, and plans the book out chapter by chapter [4]. The AI then writes a chapter one section at a time, showing progress as it goes [4]. An entry in the story bible reaches the AI only when the passage mentions its name or an alias [4]. A free proofread flags repeated words, straight quotes, missing apostrophes, double spaces, a/an mistakes, passive voice, wordy phrases and spelling, with no AI and no credits [4]. An AI check of a chapter looks at grammar, punctuation, spelling and clarity, and checks continuity against the story bible and earlier chapter summaries [4]. Up to five AI readers, each a different kind of person, report where they got lost [4]. A copy of the chapter can be saved before an AI write, an upload, a restore, a checkpoint or a tidy, and an earlier version can be restored [4]. A person can bring in a .docx, .txt or .md file or paste text, and it is split into chapters at its headings [4]. The book can be downloaded as a Word file, an EPUB or Markdown text [4].

Pricing and fees

ChatGPT offers a free version available to everyone [1]. Its paid plans are Go, Plus, Business and Enterprise, priced per user per month [1], with monthly plans for Go, Plus and Business [1] and annual plans for Business and Enterprise [1]. ChatGPT's prices are not published here, so check ChatGPT's current pricing before you decide. Sudowrite costs $10 per month after the free trial [2]. Its Hobby & Student plan costs $10 per month and includes 225,000 credits per month [3][3]. Its Professional plan costs $22 per month and includes 1,000,000 credits per month [3][3]. Connections Writing is free to start, and AI use is limited by a weekly allowance [4]. Connections Free costs $0, and going over a limit stops the feature rather than billing you [4]. Its priced plans are Connections Pro at $39.99, Connections Business at $99.99, and Connections Business Plus at $199.99 a month [4][4][4].

Getting started

ChatGPT's free version is available to everyone, so signing up starts without paying [1]. Chatting happens through everyday text chats on web, iOS or Android [1][1]. Sudowrite offers a free trial [2], and after the trial it costs $10 per month [2]. Its Write feature suggests the next 300 words in the user's voice, so the first job is continuing a passage [2]. Connections Writing is a web app that opens in a browser [4], and its welcome page has a 'Start writing' button [4]. Writing is free to start with a weekly allowance for AI use [4]. The first job is writing down a premise and how it should sound, and the book is planned out chapter by chapter [4].

Things to check before you choose

Ask what the free or first plan includes once any trial ends, and what happens when a limit is reached. Check how a story's earlier chapters and characters are kept consistent, and how an edit or check is counted toward usage. Ask how a book is saved at each step and whether an earlier version can be brought back. Check which file formats can be brought in and sent out, and whether the book can be saved as a PDF. Ask whether writing with another service still counts against the allowance [4]. Confirm which plans include which checks and reviews [4].

How to choose

If you want everyday text chats for everyday tasks, ChatGPT Free includes them [1]. If you want the next words suggested in your voice, Sudowrite's Write feature does that [2], and its Feedback feature gives five actionable areas to improve [2]. If you want the book planned out chapter by chapter before the AI writes it, Connections Writing does that [4]. For a free way to start, ChatGPT offers a free version available to everyone [1], and Connections Writing is free to start [4]. For an AI check that keeps continuity, Connections Writing's AI check looks at continuity against the story bible and earlier chapter summaries [4]. By price, Sudowrite's Hobby & Student plan costs $10 per month and its Professional plan costs $22 per month [3][3].

Frequently asked questions

Is ChatGPT free to use?

Yes. ChatGPT's own page says the free version is available to everyone [1]. The free version covers everyday text chats [1] with limits on image creation and deep research [1][1]. Paid plans named Go, Plus, Business and Enterprise are priced per user per month [1].

How much does Sudowrite cost per month?

Sudowrite costs $10 per month after the free trial [2]. Its Hobby & Student plan costs $10 per month and includes 225,000 credits per month [3][3]. Its Professional plan costs $22 per month and includes 1,000,000 credits per month [3][3].

Is Connections Writing free?

Writing is free to start, and AI use is limited by a weekly allowance [4]. Connections Free costs $0, and going over a limit stops the feature rather than billing you [4]. AI features use credits on the free plan, and no paid plan is required to open the product [4]. Priced plans are Connections Pro at $39.99, Connections Business at $99.99, and Connections Business Plus at $199.99 a month [4][4][4].

Which tool helps with writing fiction?

Sudowrite describes itself as an AI writing partner for fiction, founded by the writers Amit Gupta and James Yu [2][2]. Its Write feature suggests the next 300 words in the user's voice [2], and its Feedback feature gives five actionable areas to improve [2]. ChatGPT covers everyday text chats on its free version [1]. Connections Writing plans a book chapter by chapter and checks continuity against the story bible and earlier chapters [4][4].

Can a book be exported in different formats?

Connections Writing lets a person download the book as a Word file, an EPUB or Markdown text [4], and a print page opens the browser's print dialog so the book can be saved as a PDF [4]. ChatGPT and Sudowrite sources used here do not state their export formats, so check what each offers for taking work out of the tool.

Writing is free to start, and AI use is limited by a weekly allowance. [4] Connections Business Plus costs 19999 cents ($199.99) a month. [4]

Try Connections Writing

Sources

  1. ChatGPT, chatgpt.com/pricing, read 2026-10-08
  2. Sudowrite, sudowrite.com, read 2026-10-08
  3. Sudowrite, sudowrite.com/pricing, read 2026-10-08
  4. Connections Writing's own description of itself (the product of this site's publisher)

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