Paraphrase with any model
Run the same paragraph through GPT-5, Claude and Gemini and pick the version that reads best.
The QuillBot alternative that does more
Krater is the QuillBot alternative that paraphrases with every top model - and does everything else too.
QuillBot comparison
QuillBot is one paraphraser with one model. Krater lets you rewrite with GPT-5, Claude or Gemini, then write, image, voice and document the whole piece.
Krater pricing · AI model directory · AI image generator · Kling AI alternative
| Category | QuillBot | Krater |
|---|---|---|
| Core tool | Paraphraser + grammar | Full AI workspace |
| Models | One in-house model | 500+ incl GPT-5, Claude, Gemini |
| Free tier | 125 words per shot | Daily free credits |
| Media tools | None | Image, video, voice, music |
| Documents | Basic editor | Krater Drive |
| Price | $19.95/mo | From $20/mo, every tool included |
Highlights
Write the whole piece
Research, draft, humanize, illustrate and export without leaving the workspace.
Real free tier
Daily credits instead of a 125-word cap.
Frequently asked questions
Does Krater paraphrase like QuillBot?
Yes - prompt any of 500+ models to rewrite text in a chosen tone. You can compare outputs across models, which a single-model tool cannot do.
Is Krater cheaper than QuillBot Premium?
Krater Pro is $20/mo - about the same - but includes image, video, voice, agents and documents, not only rewriting.
What about plagiarism checking?
Krater includes AI-detection and humanize tools; for a dedicated plagiarism database check, a specialist tool still fits.
What does Krater have that QuillBot does not?
Model choice, image/video/voice generation, coding agents and a real document workspace.