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Dia vs Kagi

Features, pricing, ratings, and pros and cons, side by side.

Kagi logo

Kagi

Ad-free, subscription-funded search engine with built-in AI assistant and summarization tools

Free trial
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Verdict

Dia and Kagi are both AI Assistants tools. Kagi scores higher in FinderAtlas's editorial review (8.1 vs 7.8 out of 10), led by feature depth and performance & speed. Both have a free plan or trial. Only Dia is available on Windows and macOS. Only Kagi is available on Web, iOS and Android and offers an API.

Best overall

Kagi

  • Privacy-conscious users
  • Researchers
  • Developers
  • Heavy web searchers

Choose Dia if

  • You want a tool built for asking questions across tabs and connected work apps, summarizing pages and meetings, and organizing many open tabs.
  • Free to download, with a $20 per month Pro plan rather than a mandatory subscription.
  • AI chat can use content from open tabs and connected work apps.

Choose Kagi if

  • You want a tool built for people who want ad-free, personalizable search results and are willing to pay a subscription to get them.
  • No advertising; revenue comes from subscriptions.
  • Site-level raise, lower and block controls let users tune results.
Best for beginners
Kagi
Best for business
Kagi

Features

18 features compared.

  • Chat with your tabs
    Dia
    Available
    Kagi
    Not available
  • Connected apps
    Dia
    Available
    Kagi
    Not available
  • Skills
    Dia
    Available
    Kagi
    Not available
  • Morning Brief
    Dia
    Available
    Kagi
    Not available
  • Decks and reports
    Dia
    Available
    Kagi
    Not available
  • Live Work
    Dia
    Available
    Kagi
    Not available
  • Splits and organized tabs
    Dia
    Available
    Kagi
    Not available
  • Profiles
    Dia
    Available
    Kagi
    Not available
  • Privacy controls
    Dia
    Available
    Kagi
    Not available
  • Dia for Work
    Dia
    Available
    Kagi
    Not available
  • Ad-free search
    Dia
    Not available
    Kagi
    Available
  • Site personalization
    Dia
    Not available
    Kagi
    Available
  • Lenses
    Dia
    Not available
    Kagi
    Available
  • Kagi Assistant
    Dia
    Not available
    Kagi
    Available
  • Quick Answer and Summarize Page
    Dia
    Not available
    Kagi
    Available
  • Developer APIs
    Dia
    Not available
    Kagi
    Available
  • Orion browser
    Dia
    Not available
    Kagi
    Available
  • Kagi Translate and Kagi News
    Dia
    Not available
    Kagi
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Dia
    Freemium
    Kagi
    Free trial
  • Free plan
    Dia
    Yes
    Kagi
    Yes
  • Starting price
    Dia
    $0
    Kagi
    $0
  • Plans
    Dia
    2 plans
    Kagi
    4 plans

Dia plans

  • Free

    $0

    Free download with capped AI usage

    • Full browser
    • AI chat with tab context
    • Skills (limited)
    • Sync

  • Pro

    Most popular

    $20/month

    Individuals who use AI heavily

    • Expanded AI chat and Skills usage
    • fuller personalized memory

Kagi plans

  • Trial

    $0

    Free trial to evaluate Kagi

    • 100 searches
    • 100 Assistant interactions

  • Starter

    $5/month

    Entry plan for light searchers

    • 300 searches
    • Assistant Quick mode

  • Professional

    Most popular

    $10/month

    Unlimited search for regular users

    • Unlimited searches
    • Assistant Quick mode
    • larger monthly Assistant allowance

  • Ultimate

    $25/month

    Full AI access

    • Unlimited searches
    • Assistant Research mode
    • flagship models including Claude
    • GPT and Gemini
    • highest level of support

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Dia
7.8overall
Kagi
8.1overall

Dia leads in 2 categories and Kagi in 3.

  • Ease of Use

    Dia leads by 0.3
    Dia
    8.5
    Kagi
    8.2

  • Feature Depth

    Kagi leads by 0.6
    Dia
    8.0
    Kagi
    8.6

  • Value for Money

    Dia leads by 0.1
    Dia
    7.5
    Kagi
    7.4

  • Performance & Speed

    Kagi leads by 0.6
    Dia
    7.8
    Kagi
    8.4

  • Documentation & Support

    Kagi leads by 0.8
    Dia
    7.0
    Kagi
    7.8

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Dia

Pros

  • Free to download, with a $20 per month Pro plan rather than a mandatory subscription.
  • AI chat can use content from open tabs and connected work apps.
  • Frequent releases: Mac v1.52.0 and v1.53.0 shipped in October 2026.
  • Separate profiles keep work and personal tabs and AI context apart.
  • Dia for Work provides SAML SSO, MDM policies and a SOC 2 Type II examination.

Cons

  • Desktop only; no publicly released iOS or Android app.
  • Windows version is new (v1.0 on October 6, 2026) and trails the Mac version.
  • Free-tier AI usage limits are not published, and the site has no public pricing page.
  • Several workflow features depend on connected work apps and a work-focused setup.

Kagi

Pros

  • No advertising; revenue comes from subscriptions.
  • Site-level raise, lower and block controls let users tune results.
  • Lenses give quick topic-specific filtering such as Academic or Forums.
  • Ultimate bundles access to Claude, GPT and Gemini models in Assistant.
  • Public APIs and an MCP server support developer use.
  • Transparent funding history published by the company.

Cons

  • No permanent free tier: the trial is limited to 100 searches.
  • The $5 Starter plan caps searches at 300 per month, which users report running out of quickly.
  • Reviewers report that lens use and loading more results can count as extra searches.
  • Full AI model access requires the $25 Ultimate plan.

Platforms

  • Web
    Dia
    Not supported
    Kagi
    Supported
  • Windows
    Dia
    Supported
    Kagi
    Not supported
  • macOS
    Dia
    Supported
    Kagi
    Not supported
  • iOS
    Dia
    Not supported
    Kagi
    Supported
  • Android
    Dia
    Not supported
    Kagi
    Supported
  • API
    Dia
    Not supported
    Kagi
    Supported
  • Browser Extension
    Dia
    Not supported
    Kagi
    Not supported

Integrations

Dia

8 integrations
  • Google Workspace
  • Slack
  • Notion
  • Microsoft Teams
  • GitHub
  • Atlassian
  • Okta
  • Microsoft Entra ID

Kagi

4 integrations
  • Anthropic Claude
  • OpenAI GPT
  • Google Gemini
  • MCP

Company

  • Company
    Dia
    The Browser Company of New York
    Kagi
    Kagi Inc.
  • Founded
    Dia
    2019
    Kagi
    2018
  • Headquarters
    Dia
    New York, NY
    Kagi
    San Francisco, CA
  • Listing
    Dia
    Claimed
    Kagi
    Claimed

Frequently asked questions

Is Dia better than Kagi?

It depends on your workflow. Dia is built for asking questions across tabs and connected work apps, summarizing pages and meetings, and organizing many open tabs. Kagi is built for people who want ad-free, personalizable search results and are willing to pay a subscription to get them.

What are the key feature differences between Dia and Kagi?

Dia: An AI-native web browser that answers questions across your tabs and work apps. Kagi: Ad-free, subscription-funded search engine with built-in AI assistant and summarization tools.

Does Dia or Kagi have a free plan?

Yes, both do. Dia is freemium and Kagi is free trial, and each has a free plan or trial.

Which is cheaper, Dia or Kagi?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.