Rephrasa and ChatGPT side by side
| Rephrasa | ChatGPT (as published by OpenAI) | |
|---|---|---|
| What it is | A paraphraser and citation generator for academic writing | "a conversational AI assistant" for "a wide variety of tasks" |
| How you rephrase | Pick a mode: Academic, Simple and Formal, all free | Write a prompt; "Drafting, rewriting, or summarizing content" is a listed task |
| Free use | 500 words per request, 2,000 words per day | "unlimited everyday text chats, subject to abuse-prevention safeguards" |
| Paid plan | Rp29,000 for 30 days, paid once with QRIS in Rupiah, no auto-renewal | Plus has "higher rate limits" (price not shown in the page text we could read) |
| Citations | APA 7, MLA 9, Chicago 18 and 17, Harvard (Cite Them Right), IEEE, AMA 11, from DOI, URL, ISBN, manual form (9 source types) | No citation generator described; you ask for a format and check it yourself |
| Extra tools | None beyond paraphrasing and citing | Web search, file uploads, data analysis, image generation, voice, memory, Projects (vary "by subscription level and settings") |
| Ads | None at launch | "Ads may appear in the Free tier in certain countries" |
Prompting a chatbot versus choosing a mode
When you reword text in ChatGPT, the instructions are yours to write. A good request names the register ("keep it academic"), what must not move ("leave the citations and figures exactly as they are"), and the length. Leave one of those out and the reply may shorten a sentence you needed, swap a technical term for a casual synonym, or quietly drop a year from a parenthetical citation. None of this is a flaw in the assistant. It is the cost of a general tool that does whatever the prompt says.
Rephrasa moves those instructions into the product. Each mode carries a fixed brief: Academic keeps a scholarly register, Simple uses shorter sentences and everyday words, and Formal suits letters and official notes. All three are told to keep in-text citations, numbers and technical terms unchanged and not to add facts. You still read the result, but you do not have to remember a long prompt every time you rephrase a paragraph.
A side effect: the same paragraph gives comparable results
Because the brief is fixed, rewording the second paragraph of a chapter behaves like rewording the first. In a long chat thread, earlier turns can colour later answers, which helps when you want continuity and gets in the way when you want each paragraph handled the same way. If you want ChatGPT to behave consistently, start a fresh chat or reuse one carefully written prompt.
Reviewing a rewrite before you keep it
A chat reply arrives as one new block of text, and spotting what changed means reading both versions line by line. Rephrasa shows the result next to your original with the changes highlighted, so you can check that a claim kept its strength, that "may" did not become "will", and that the author and year in every citation survived. Keep what reads well, then edit the rest by hand.
- Read the source passage again before accepting any reworded sentence.
- Check hedges and quantities: "some", "most", "a 12% rise" should mean the same thing afterwards.
- Confirm that every in-text citation still points to the right work.
- Rewrite one paragraph at a time; a 150 to 250 word paragraph fits well inside the 500-word free request.
From reworded paragraph to reference list
Rewording someone else's idea does not make it yours, so a paraphrase still needs a citation. ChatGPT can format a reference if you supply the details, but OpenAI's pages do not describe a lookup that pulls a record from a DOI or an ISBN, so the author list, year and page range are only as reliable as what you typed. Rephrasa's citation generator fetches the record from Crossref for a DOI or Open Library for an ISBN, formats it with official CSL style files, and lets you correct any field before you copy it.
Your list stays in your browser on this device and exports as .txt, .ris or .bib. If you work in one style, open the APA citation generator or the DOI to citation page directly.
What happens to the text you paste
Rephrasa sends your paragraph once to its AI provider to produce the rewrite and does not keep it in logs, files or caches. There is no account and no chat history to clear afterwards. The privacy section on the About page explains the details. ChatGPT is built around conversations you can return to, and features such as memory remember facts across chats when turned on; OpenAI explains how to view or delete those in its help pages.
When ChatGPT may suit you better
- You want to talk through an outline or an argument before you rewrite anything.
- You need to work from an uploaded document, spreadsheet or presentation.
- You want web search or a multi-step research report alongside the writing.
- You need a language other than English or Indonesian; OpenAI lists translation among ChatGPT tasks.
- You already pay for a ChatGPT plan and prefer to keep every task in one place.
Rephrasa fits better when the job is narrow: one paragraph to reword in a fixed academic register, the changes shown clearly, and a source to cite in APA, MLA, Chicago, Harvard, IEEE or AMA a minute later.
Using both without cutting corners
Plenty of writers combine the two. You might ask ChatGPT to question your thesis statement, then draft the paragraph yourself, reword a clumsy section in Rephrasa's Academic mode, and finish by generating the reference. Whatever mix you use, the responsibility stays with you: follow your course policy on AI tools, keep the meaning of the original, and cite every source you drew on.
Writing in Indonesian? Read the Indonesian version of this comparison, or go back to the Rephrasa paraphrasing tool on the home page.