kitio.aiOpera One vs Article Summarizer
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Opera One starts at Free and Article Summarizer starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Opera AI sidebar assistant
- Tab Islands
- Workspaces
- Built-in ad blocker
- Sidebar music player
- Cross-device sync
- Paragraph, list and quote views
- URL summarisation
- Follow-up chat
- 80+ languages
- 30 MB file uploads
| Feature | Opera One | Article Summarizer |
|---|---|---|
| Best for | Free desktop browser with built-in Opera AI and an ad blocker | Free summaries of articles and papers as paragraphs, points or quotes |
| Category | Productivity | Productivity |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Opera | Article Summarizer |
| Based in | Norway | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Opera One starts at Free and Article Summarizer starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Opera One
- AI assistant included at no cost
- Ad and tracker blocking built in
- Good tools for heavy tab users
- AI features need an Opera account
- Sidebar extras can feel cluttered
- Less extension focus than Chrome
Article Summarizer
- Three summary formats
- Quotes help verify the summary
- No account needed
- No saved history
- Little detail on the AI model used
- Summaries may miss nuance in long papers
Which one should you choose?
Choose Opera One if you want:
- AI assistant included at no cost
- Ad and tracker blocking built in
- Good tools for heavy tab users
Watch out: ai features need an opera account.
Choose Article Summarizer if you want:
- Three summary formats
- Quotes help verify the summary
- No account needed
Watch out: no saved history.
Opera One vs Article Summarizer FAQ
What is the difference between Opera One and Article Summarizer?
Opera One: Free desktop browser with built-in Opera AI and an ad blocker. Article Summarizer: Free summaries of articles and papers as paragraphs, points or quotes. Both are productivity tools.
Is Opera One or Article Summarizer cheaper?
Opera One starts at Free and Article Summarizer starts at Free. Check both pricing pages for current plans.
Do Opera One and Article Summarizer have free plans?
Opera One: Yes, fully free. Article Summarizer: Yes, fully free.
Who makes Opera One?
Opera One is made by Opera, based in Norway.
Who makes Article Summarizer?
Article Summarizer is made by Article Summarizer.
Which should I choose, Opera One or Article Summarizer?
Choose Opera One if you value ai assistant included at no cost and ad and tracker blocking built in. Choose Article Summarizer if you value three summary formats and quotes help verify the summary.