QuillBot vs Sudowrite
- ✦ Paraphrasing tool
- ✦ Grammar checker
- ✦ Plagiarism checker
- ✦ Story Engine
- ✦ Canvas
- ✦ Describe AI
QuillBot and Sudowrite are both AI Writing Tools tools. QuillBot starts at $19.95/mo, Sudowrite at $19/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose QuillBot vs Sudowrite
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Citation generator formats references and tags sources in internal wiki databases automatically, cutting thesis review cycles by 40% across multi-department research submissions.
Grammar checker flags subject-verb disagreement, comma splices, and tense inconsistencies that human eyes miss after hours of editing - before client delivery.
Rewrite drafts in fluency mode, then immediately scan results for similarity matches. Content moves from generation to clearance in 2 hours instead of 1-2 days.
Translator converts docs into 20+ languages; Grammar checker flags mistranslations that break instructions. Localization cost drops 60% over per-language copy editors.
Story Engine produces 3-5 directional prompts tailored to your genre and tone when mid-manuscript momentum stops. Ideation drops from hours to minutes.
Pricing Comparison & PlansHigh· Verified May 30, 2026
QuillBot Plans
Free tier available
Free
FreeBest for: Ideal for casual users needing basic paraphrasing and grammar checks
- ✓Paraphrase up to 125 words per use
- ✓2 Paraphrasing modes (Standard & Fluency)
- ✓Limited use of Synonym Slider
- ✓Summarizer up to 1,200 words
- ✓Basic grammar error correction
Premium
$20/moBest for: individuals requiring unlimited access to advanced AI writing tools, including full paraphrasing modes and plagiarism detection
- ✓Unlimited words in Paraphraser
- ✓Unlimited Custom & 9 predefined modes
- ✓Full use of Synonym Slider
- ✓Unlimited Freeze Words
- ✓6,000 words in Summarizer
Team
$2.91/user/moBest for: Designed for businesses and educational institutions needing collaborative features, centralized billing, and dedicated support
- ✓All Premium plan features
- ✓Administrative features to manage your team
- ✓Centralized billing
- ✓Writer-management dashboard
- ✓Team style guides
Sudowrite Plans
Paid plans only
Hobby & Student
$19/moBest for: 225,000 credits/month, Perfect for fun or school writing, Free trial available
- ✓225,000 credits per month
- ✓AI-powered Story Bible
- ✓Write, Rewrite, and Describe tools
- ✓Brainstorming features
- ✓Canvas visual plotting tool
Professional
$29/moBest for: 1,000,000 credits/month, Best for novels & screenplays, Free trial available
- ✓1,000,000 credits per month
- ✓AI-powered Story Bible
- ✓Write, Rewrite, and Describe tools
- ✓Brainstorming features
- ✓Canvas visual plotting tool
Max
$59/moBest for: 2,000,000 credits/month, Unused credits rollover 12 months
- ✓2,000,000 credits per month
- ✓Unused credits rollover for up to 12 months
- ✓AI-powered Story Bible
- ✓Write, Rewrite, and Describe tools
- ✓Brainstorming features
Capability Breakdown
4 differences found across 20 standardized features
- •Paraphrasing tool
- •Grammar checker
- •Plagiarism checker
- •Citation generator
- •Summarizer
- •Co-writer
- •Translator
- •Word flipper modes
- •MS Word add-in
- •Chrome extension
- •Flow mode
- •Compare modes
- •Story Engine
- •Canvas
- •Describe AI
- •Brainstorm
- •Rewrite
- •First Draft
- •Poem generator
- •Describe tool
- •Feedback mode
- •Characters
- •World building
- •Outline generator
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
- +Seven distinct paraphrasing modes to control tone and style
- +Adjustable synonym slider for precise vocabulary control
- +Integrates directly into Chrome, Word, and Google Docs
- +Generous free plan with core paraphrasing and grammar tools
- +Co-Writer combines research, writing, and citation in one UI
- −Free plan has strict character limits on the paraphraser
- −Lacks advanced, long-form content generation of competitors
- −Plagiarism checker only available on the Premium plan
- −Can sometimes produce awkward or unnatural phrasing
- −Fact-checking capabilities are limited or non-existent
- +Story Engine generates a full novel outline from a simple idea
- +Canvas feature for visual brainstorming and mind-mapping plots
- +Specialized 'Show, not Tell' and 'Pacing' analysis tools
- +Rewrite tool offers multiple thematic variations (e.g., more inner conflict)
- +Integrates multiple AI models (GPT-4, Claude) for diverse outputs
- −Steep learning curve due to the sheer number of specialized features
- −AI-generated prose can sometimes feel generic and require heavy editing
- −Credit-based system can be confusing and costly for heavy users
- −Primarily focused on long-form fiction; less useful for short stories or scripts
- −Mobile experience is limited; best used on a desktop or laptop
At a Glance
Recent Price History
QuillBot added a new "Team" plan (Custom pricing)
Plan added · May 30, 2026
QuillBot raised "Premium" from $13 to $19.95/mo (53%)
Price change · May 21, 2026
Sudowrite raised "Max" from $44 to $59/mo (34%)
Price change · May 21, 2026
Sudowrite raised "Professional" from $22 to $29/mo (32%)
Price change · May 21, 2026
Sudowrite raised "Hobby & Student" from $10 to $19/mo (90%)
Price change · May 21, 2026
Frequently Asked Questions
Related Comparisons
Sources & Data Trail · QuillBot
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-30)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.6/5 · 77 reviews
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Sources & Data Trail · Sudowrite
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-21)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.5/5 · 90 reviews
- 4.Capterra·Capterra verified reviews · 4.4/5