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Research 7 alternatives

Best Casper AI Alternatives in 2026

We compared 7 research tools to find the best alternatives to Casper AI. Here are the ones worth switching to, ranked by rating.

Comparing against: Casper AI — Summarize web pages and PDFs right in Chrome

Quick Comparison

Tool Rating Pricing Free Tier Review
Wolfram|Alpha 0/5 $5/mo ✗ Review →
WTF Does This Company Do? 0/5 Free ✓ Review →
Tutor AI 0/5 $13.33/mo ✗ Review →
Public Prompts 0/5 Free ✓ Review →
Microsoft Bing 0/5 Free ✓ Review →
Glasp 0/5 Free ✓ Review →
Perplexity 0/5 $17/mo ✗ Review →
#1

Wolfram|Alpha

Research

$5/mo

Compute expert answers in math, science and everyday topics

Pros

  • Computed answers: Results come from algorithms and curated data, not guesses.
  • Broad coverage: Spans math, science, culture and everyday life.
  • Step-by-step math: Shows how to reach solutions.

Cons

  • Paid extras: Some features sit behind the Pro tier.
  • Query phrasing matters: Unusual wording can lead to misread questions.
View Full Review →
#2

WTF Does This Company Do?

Research

Free

Get a plain-English explanation of what any company does

Pros

  • Free to use: No sign-up or payment is mentioned.
  • Very simple: One box and one button.
  • Fun extra: Roast mode gives a humorous take on a website.

Cons

  • Older model: The site says it runs on GPT-3.
  • May be offensive: Roast mode can return offensive results.
  • Very limited scope: It only explains or roasts websites.
View Full Review →
#3

Tutor AI

Research

$13.33/mo

Get a custom course on any topic, built for your level

Pros

  • Any topic: Courses can be built on almost any subject, from French to machine learning.
  • Fast setup: A full course is generated in seconds after you name a topic.
  • Step-by-step help: The homework helper explains how to reach each answer.

Cons

  • Free plan is basic: It is meant for trying the tool and has limited support.
  • Prices shown are yearly: The listed monthly rates assume annual billing.
  • AI-made content: Generated lessons may need checking against trusted sources.
View Full Review →
#4

Public Prompts

Research

Free

Browse and compare AI tools by task, price and category

Pros

  • Free to browse: The directory is open to anyone with no account needed to search.
  • Pricing filter: You can narrow results to free, freemium, paid or trial tools in one click.
  • Task-based categories: Tools are grouped by the job you want done, which speeds up a first search.

Cons

  • Changed focus: The site no longer centers on the prompt and model collection it was first known for.
  • Short profiles: Each listing is a brief summary, so you still need to visit the tool's own site for details.
View Full Review →
#5

Microsoft Bing

Research

Free

Microsoft's free AI-powered search and answer engine

Pros

  • Completely free: Search, AI answers and image creation cost nothing.
  • AI summaries: Gives combined answers for broad questions.
  • Built-in image creator: Generate images from a prompt in Edge.

Cons

  • Works best in Edge: Some features are tied to Microsoft Edge.
  • Default engine needed: Image creation from the address bar requires Bing as your default search.
  • Varies by market: Feature availability depends on device, region and browser.
View Full Review →
#6

Glasp

Research

Free

Highlight the web, build a knowledge library and share insights

Pros

  • Free to use: Listed as a free tool.
  • Keeps notes together: Highlights collect in one personal library.
  • Community discovery: See what others are highlighting and reading.

Cons

  • Limited verified detail: Features and pricing could not be confirmed from the official site.
  • Social by design: Sharing features may not suit people who want fully private notes.
View Full Review →
#7

Perplexity

Research

$17/mo

Ask a question and get a sourced answer from the live web

Pros

  • Answers with sources: Every answer includes citations so you can verify what it says.
  • Useful free tier: Basic searches with citations cost nothing.
  • Model choice on paid plans: Pro lets you pick between top AI models for each question.

Cons

  • Free plan is basic: It offers only basic AI models and very limited Pro Searches.
  • Max is expensive: The top individual plan costs $200 per month, or $167 per month billed annually.
  • Usage limits apply: Even paid plans work within usage limits and credit allowances.
View Full Review →

Frequently Asked Questions

What is the best alternative to Casper AI?

Wolfram|Alpha is our top-rated alternative to Casper AI, with a 0/5 rating.

Is there a free alternative to Casper AI?

Yes — WTF Does This Company Do?, Public Prompts, Microsoft Bing, Glasp all have free tiers.

How did you choose these Casper AI alternatives?

We selected these alternatives based on editorial ratings, feature overlap with Casper AI, and value for money. All tools are tested by our editorial team.