Merlin AI vs Wordtune
Plans, free access, limits and intended use side by side, taken from each vendor’s own pages. No score and no winner: the facts show where the two differ.
Change tools
Read the fair use terms before you buy a year of Pro
Metered by daily rewrites and monthly summaries
- Free access
- Merlin AI: Free access
- Wordtune: Free access
- Paid from
- Merlin AI: USD 15 per seat a month
- Wordtune: USD 13.99 per month billed monthly; $6.99 per month billed annually
- Plans listed
- Merlin AI: 3
- Wordtune: 4
- Public API
- Merlin AI: Not confirmed
- Wordtune: Not confirmed
Where Merlin AI and Wordtune differ
- PlansMerlin AI lists 3 plans and Wordtune lists 4.
Head to head
Each value from the tool’s profile and the vendor’s own pages
| Merlin AI | Fact | Wordtune |
|---|---|---|
| Access and price | ||
| Free access availableMerlin Free · USD 0 | Free accessSame | Free access availableBasic · USD 0 |
| USD 15 per seat a monthMerlin Teams · billed $180 yearly | Lowest listed paid plan | USD 13.99 per month billed monthly; $6.99 per month billed annuallyAdvanced |
| Free $0; Pro $19 a month, billed yearly | Pricing model | Free; Advanced $13.99/mo monthly or $6.99/mo billed annually |
| 3 | Plans listedDiffers | 4 |
| Not confirmed | Public API | Not confirmed |
| Not confirmed | Card to start | Not confirmed |
| Not confirmed | Open source | Not confirmed |
| What it is for | ||
| Trying several AI models from one account, mainly through a browser extension | Built for | Rewriting and adjusting the tone of your own drafts in the browser |
| Writing & content | CategorySame | Writing & content |
| Platforms |
|
| Works with | Not listed |
| How current | ||
| Profile sources checked | ||
| Prices confirmed · Oct 2, 2026 | Pricing checkSame | Prices confirmed · Oct 4, 2026 |
Official source check for both tools. No hands-on testing and no score: “Differs” marks a documented difference, not a better tool.
Plans and prices
Merlin AI
Prices confirmed · Oct 2, 2026- Merlin FreeUSD 0
- Merlin ProUSD 19 a monthbilled $228 yearly
- Merlin TeamsUSD 15 per seat a monthbilled $180 yearly
Wordtune
Prices confirmed · Oct 4, 2026- BasicUSD 0
- AdvancedUSD 13.99 per month billed monthly; $6.99 per month billed annually
- UnlimitedUSD 19.99 per month billed monthly; $9.99 per month billed annually
- BusinessCustom or not stated
Strengths and limits
Merlin AI
Strengths
- Several model families in one account: The pricing page lists models from OpenAI, Anthropic, Google, DeepSeek and xAI, so you can compare answers without separate sign-ins.
- Works where you already browse: The Chrome extension offers summarizing and writing on the page you are viewing, alongside web, desktop and mobile apps.
- A Free plan to try first: Free costs $0 with limited access to basic and Plus-level models, so you can test before paying.
Limits to plan around
- Fair use limits sit behind unlimited: The terms end service for the rest of the month above $100 of usage cost and for the day above $16, and the plan table does not state this.
- Extension sends visit data: The privacy policy lists page URL, previous URL, referrer and user ID among data sent to Merlin's servers.
- No API and a 100k context: The pricing page says there is no direct API access and the Pro context window is currently 100k tokens.
Wordtune
Strengths
- Free plan has no card requirement: The home page says the free tier needs no credit card.
- Limits are stated per plan: The pricing page lists daily and monthly numbers for Basic and Advanced.
- Works inside common writing apps: The FAQ lists Google Docs, Gmail, Slack and LinkedIn among supported places.
Limits to plan around
- Free rewrites run out quickly: Basic lists 10 rewrites per day and only 3 summaries per month.
- Meaning can change: Wordtune says a suggestion may slightly change the meaning of the text.
- No refunds: The FAQ says subscriptions are not refundable at this time.
See both products
Start from your task, not from a winner.
Run both tools on the same real task, then compare the result, how much editing it needs and how fast it uses your plan’s allowance.
How we reviewChange this pair
Choose tools
Choose two tools below. You can replace either selection at any time.
Audio & voice
Automation
Coding
Data & spreadsheets
Images & design
Presentations
Research & sources
Video & editing
Website builders
Writing & content
Comparing tools from different categories is fine, and often useful — a writing assistant and a research tool solve different halves of the same job. The table will show you exactly where they diverge.
Questions about comparing tools
How does the comparison work?
Add two tools to the comparison tray from any tool card, then open this page. The table pulls each tool's verified plan details, platforms, strengths and limits from its profile, so both columns carry the same kind of evidence, with a separate source-check date for each tool.
Do you declare a winner?
No. The table sets two tools against each other on documented facts, not on a score. Which one wins depends on your task, your budget and your usage volume — three things we cannot see from here.
Why are some cells empty or marked unverified?
Because we could not confirm that detail on the vendor's own pages. Rather than filling the gap with a figure from elsewhere, we mark it and say why on the tool's profile.
Can I compare more than two tools?
Not at once. Two columns keep the differences readable and force a real decision. Remove either selected tool to replace it, or clear both to start a new pair.
Every figure in the table above comes from the linked profile, where the source and the verification date are listed. Browse all tools or read the editorial policy.