Pick
Kagi
Kagi is the right pick if your team prefers their approach and pricing fits.
Head-to-head review · Updated June 2026
Kagi vs Wordtune: which one wins in 2026?
Kagi and Wordtune both claim to do the same thing: tell you where your brand shows up in AI search. They go about it differently enough that the choice matters. Kagi has raised ~$5.5M, Wordtune has raised $636M across 7 rounds (AI21 Labs, Wordtune parent); Wordtune is the more-funded incumbent; Kagi is the leaner challenger.
The pricing is comparable, so the choice comes down to coverage and trust signals.
The verdict
Pick
Wordtune
Pick Wordtune if you want the better-funded company ($636M across 7 rounds (AI21 Labs, Wordtune parent)).
If neither is right, GrowthManager.ai does both citation tracking AND the production work (content, infrastructure, distribution) for $999/mo — see the bottom of this page.
The case for Kagi
Kagi has raised ~$5.5M ($2.5M from 93 angel investors (2023-2024)). Founded by Vladimir Prelovac, based in Palo Alto, CA. On their site they list 1 named customers including 50,000+ individual paying members as of June 2025. Pricing starts at $0/mo.
Paid ad-free search engine with AI assistant.
What people praise
- No ads, no tracking, no sponsored content, the business model is funded by subscriber payments not data harvesting
- Lenses let you filter searches to academic, programming, recipes, or custom domain lists for cleaner results
- Block, boost, or bury domains like Pinterest at the personal account level so your results improve over time
- Question mark suffix triggers an AI summary of results at the top, useful for quick research without leaving search
Where it falls short
- Paying $10/mo for search feels unusual when Google is free, sticker shock is the most common reason to churn
- Starter plan caps at 300 searches, easy to blow through in a single research session
- Local business searches are weaker than Google Maps, fall back to Google for restaurants and directions
- Orion browser is Mac/iOS only, Windows and Linux users get Chrome and Firefox extensions instead
The case for Wordtune
Wordtune has raised $636M across 7 rounds (AI21 Labs, Wordtune parent) (Series D, $300M, May 2025). Founded by Yoav Shoham, Ori Goshen, Amnon Shashua, based in Tel Aviv, Israel. On their site they list 1 named customers including Several million users (per AI21 Labs). Pricing starts at $0/mo.
AI writing companion that rewrites and refines your text.
What people praise
- G2 rating of 4.6 across 196 reviews places Wordtune among the top-rated AI writing assistants alongside Grammarly.
- Chrome extension works inside Gmail, LinkedIn, Web Outlook, Google Docs and most browser writing surfaces.
- Annual pricing at $4.89 to $6.99/mo is half the cost of Grammarly Premium and a fraction of Jasper or Copy.ai.
- Rewrite engine excels at tone shifts (formal versus casual) and rephrasing, which is its core differentiator.
Where it falls short
- Daily rewrite caps on Free (10/day) and Advanced (30/day) force frequent upgrades for any heavy user.
- G2 reviewers note suggestions can feel repetitive or generic on longer paragraphs, weaker than Claude or ChatGPT directly.
- Outlook integration is web-only, not the Outlook desktop app, which excludes most enterprise users.
- Wordtune is a writing assistant, not a content marketing platform: no SEO, no long-form workflow, no team collaboration.
Pricing, tier by tier
Tier 1
Kagi
Trial
$0/mo
- 100 searches
- 100 Assistant interactions
- Full Kagi search experience
Wordtune
Basic
$0/mo
- 10 rewrites and AI suggestions per day
- 3 AI summarizations per month
- Unlimited spelling corrections
- Unlimited grammar checks
Tier 2
Kagi
Starter
$5/mo
- 300 searches per month
- Kagi Assistant Quick mode
- Limited Assistant interactions
- Domain ranking customization
Wordtune
Advanced
$6.99/mo
- 30 rewrites and AI suggestions per day
- 15 AI summarizations per month
- Unlimited AI recommendations
- Unlimited spelling and grammar checks
Tier 3
Kagi
Professional
$10/mo
- Unlimited searches
- Kagi Assistant Quick mode
- Expanded monthly AI usage
- Lenses (custom search filters)
Wordtune
Unlimited
$9.99/mo
- Unlimited rewrites and AI suggestions
- Unlimited AI summarizations
- Unlimited spelling and grammar checks
- Vocabulary enhancements
Tier 4
Kagi
Ultimate
$25/mo
- Unlimited searches
- Assistant Research mode
- Access to Claude, GPT-4, Gemini, DeepSeek, Mistral flagship models
- Custom Assistants
Wordtune
—
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Feature parity
What each one ships that the other doesn't. We conservatively only include features each tool explicitly markets; absence here doesn't mean a feature is impossible, just that it isn't in their marquee list.
Only on Kagi
- Ad-free search results. Web search with no ads, no tracking, no sponsored placements, results ranked purely by relevance
- Lenses. Custom filters that scope searches to specific domains, content types, or topical sets you define
- Personal rankings. Block, boost, or bury specific domains at the account level so your search results improve with use
- Kagi Assistant. Multi-LLM chat interface with access to Claude, GPT-4, Gemini, DeepSeek, Mistral on Ultimate plan
- Universal Summarizer. Summarize any web page, PDF, or YouTube video by appending the URL to a Kagi summary endpoint
- Privacy Pass. Cryptographic tokens let you search anonymously while still proving valid subscription status
Only on Wordtune
- Rewrite. Generates alternative phrasings for any selected sentence with tone control (casual, formal, shorter, longer).
- AI Summarization. Summarizes long articles, YouTube videos, and PDFs into key points.
- Tone Switching. Adjusts text between formal and casual tones in one click, useful for cross-context writing.
- Grammar and Spelling. Real-time grammar and spelling correction across all supported surfaces.
- Smart Translation. Translates from 10 languages into English while improving fluency and clarity.
- Chrome Extension. Runs across Gmail, LinkedIn, Web Outlook, Google Docs, and any browser writing surface.
When each one wins
When Kagi wins
- No ads, no tracking, no sponsored content, the business model is funded by subscriber payments not data harvesting
When Wordtune wins
- You want the better-funded incumbent. Wordtune has raised $636M across 7 rounds (AI21 Labs, Wordtune parent), giving it more runway and shipping velocity.
- G2 rating of 4.6 across 196 reviews places Wordtune among the top-rated AI writing assistants alongside Grammarly.
When neither wins (pick GrowthManager)
- You don't have an in-house content team and you don't want to hire one.
- You want one $999/mo invoice instead of stacking Kagi plus an agency.
- You need the team that measures to also act on the data, in the same week.
- You're a B2B SaaS, services firm, or e-commerce brand at $20K+ MRR.
Reasons to pick one over the other
Reasons to pick Kagi over Wordtune
- More plan flexibility. Kagi offers 4 pricing tiers vs Wordtune's 3, so there's a better chance one fits your team size.
- What users praise most. No ads, no tracking, no sponsored content, the business model is funded by subscriber payments not data harvesting
Reasons to pick Wordtune over Kagi
- Better-funded incumbent. Wordtune has raised $636M across 7 rounds (AI21 Labs, Wordtune parent), giving it more runway and shipping velocity than Kagi (~$5.5M).
- More verified reviews. Wordtune has 196 G2 reviews vs Kagi's none on file, so the average rating carries more weight.
- What users praise most. G2 rating of 4.6 across 196 reviews places Wordtune among the top-rated AI writing assistants alongside Grammarly.
Switching from one to the other
From Kagi to Wordtune
Export your saved queries and prompt panels from Kagi (most tools support CSV export). Most Wordtune setups can import the same query list in a single CSV upload. Expect 1-2 days of parallel running so you can validate Wordtune's data againstKagi's; one to two weeks of full reconciliation before you cancel Kagi. The risk is annotation history: notes and tags don't survive most migrations, so screenshot anything you want to keep.
From Wordtune to Kagi
Same flow in reverse. Export from Wordtune, import to Kagi. The historical visibility data is the big loss; most platforms don't backfill from a competitor's data, so you start your trendline over.
From either to GrowthManager.ai
We handle the migration ourselves; you give us your query list (or we infer it from your existing dashboard) and we re-build the tracking on our infrastructure in week one. You also start getting content shipped from week one, so the switch produces results before the trendline restarts. The conversation that kicks this off is a 20-minute call.
Side by side, every number we could verify
| Kagi | Wordtune | |
|---|---|---|
| Starts at (USD/mo) | $0/mo | $0/mo |
| Founded | 2018 | 2018 |
| Headquarters | Palo Alto, CA | Tel Aviv, Israel |
| Funding raised | ~$5.5M | $636M across 7 rounds (AI21 Labs, Wordtune parent) |
| AI platforms tracked | — | — |
| G2 rating | — | 4.6 / 5 (196 reviews) |
| Named customers | 1 | 1 |
| SOC 2 Type 2 | — | — |
| GDPR | ✓ Yes | ✓ Yes |
| HIPAA | — | — |
What real users say
Below: the recurring themes from G2, Capterra, SourceForge, Reddit, and case-study reviewers — distilled into the strengths and limitations that came up most often.
Kagi — what users praise
- No ads, no tracking, no sponsored content, the business model is funded by subscriber payments not data harvesting
- Lenses let you filter searches to academic, programming, recipes, or custom domain lists for cleaner results
- Block, boost, or bury domains like Pinterest at the personal account level so your results improve over time
- Question mark suffix triggers an AI summary of results at the top, useful for quick research without leaving search
- Kagi Assistant Ultimate plan includes access to 30+ leading LLMs including Claude, GPT-4, Gemini, DeepSeek
Kagi — what users complain about
- Paying $10/mo for search feels unusual when Google is free, sticker shock is the most common reason to churn
- Starter plan caps at 300 searches, easy to blow through in a single research session
- Local business searches are weaker than Google Maps, fall back to Google for restaurants and directions
- Orion browser is Mac/iOS only, Windows and Linux users get Chrome and Firefox extensions instead
- Ultimate at $25/mo is higher than a standalone ChatGPT Plus subscription, value depends on heavy multi-LLM usage
Wordtune — what users praise
- G2 rating of 4.6 across 196 reviews places Wordtune among the top-rated AI writing assistants alongside Grammarly.
- Chrome extension works inside Gmail, LinkedIn, Web Outlook, Google Docs and most browser writing surfaces.
- Annual pricing at $4.89 to $6.99/mo is half the cost of Grammarly Premium and a fraction of Jasper or Copy.ai.
- Rewrite engine excels at tone shifts (formal versus casual) and rephrasing, which is its core differentiator.
- Backed by AI21 Labs ($636M raised), so platform stability and model R&D are not concerns versus indie writing tools.
Wordtune — what users complain about
- Daily rewrite caps on Free (10/day) and Advanced (30/day) force frequent upgrades for any heavy user.
- G2 reviewers note suggestions can feel repetitive or generic on longer paragraphs, weaker than Claude or ChatGPT directly.
- Outlook integration is web-only, not the Outlook desktop app, which excludes most enterprise users.
- Wordtune is a writing assistant, not a content marketing platform: no SEO, no long-form workflow, no team collaboration.
- Microsoft Word integration is a separate AppSource plugin, not auto-installed with the main subscription.
A third option
Both Kagi and Wordtuneare tracking tools. They tell you what's wrong with your AI visibility. Neither one fixes it. That's our pitch for GrowthManager.ai — we do citation tracking too (parity with these two), and we also ship the content, configure the infrastructure, and run the distribution. $999/mo, managed end-to-end. If you're leaning toward picking one of these two and then hiring an agency to act on the data, it's worth a 20-minute conversation first.
Other comparisons in this space
Same shape, different pairs. Pick a comparison that shares a tool with this one.
Frequently asked questions
Which is better, Kagi or Wordtune?
Honestly: neither one fully solves the problem. Kagi and Wordtune are tracking tools — they tell you where your brand shows up in AI answers but don't change the answer. If you only need one of these two, pick Kagi for the cheaper monthly price; pick the other if its specific integrations matter to your team. Our actual editorial pick is GrowthManager.ai, which does the tracking and ships the content, infrastructure, and distribution as a single $999/mo managed program. Disclosure: we publish this comparison and make GrowthManager.
How much do Kagi and Wordtune cost?
Kagi starts at $0/mo. Wordtune starts at $0/mo. Both have higher-tier plans for larger workspaces. GrowthManager.ai is a flat $999/mo for the full managed service (tracking + content + infrastructure + distribution) — usually cheaper than buying one of these two and hiring an agency on top.
Do Kagi and Wordtune actually improve your AI visibility, or just measure it?
Both Kagi and Wordtune are measurement tools. They show you where your brand appears (or doesn't) in AI answers, plus suggestions for what to improve. Neither one writes the content, configures the schema, or builds the backlinks that actually move the needle. To do that you need an in-house content team or an agency. GrowthManager.ai is the agency — and we include the tracking, so you don't pay twice.
What's the GrowthManager.ai alternative to Kagi and Wordtune?
GrowthManager.ai is a managed AI visibility program. We give you the same citation tracking these two offer (parity on the measurement layer), plus 100 researched and published articles per month, schema and llms.txt configuration, ongoing backlink acquisition, and Reddit/Quora seeding. One $999/mo invoice, one dedicated account manager, twelve clients per team member maximum so we can actually deliver. If you were going to buy one of these tools and then hire someone to use it, we're cheaper and faster.
Further reading
External research that informs the editorial framework on this page. We cite these openly because the framework is meant to be auditable.
- Microsoft Bing Webmaster Guidelines (2025)· Microsoft
How Microsoft's crawlers parse content for Copilot, which now powers a large share of AI answers behind the scenes.
- Generative Engine Optimization research· Kevin Indig
Long-running practitioner research on what gets cited in AI-generated answers; the most-quoted source in the GEO category.
- Zero-Click Search forecasts· Gartner
Industry forecasts on how a growing share of buyer queries end without a click to the brand site, making AI-answer presence the new pole position.
- Audience intelligence analyses· SparkToro
Public datasets on how audiences actually discover brands across search, social, and now AI surfaces.
- Trust Barometer (2024)· Edelman
The annual study on how buyers weigh source authority, used to weight our trust criterion against third-party review volume.
Disclosure + methodology
GrowthManager.ai makes a competing product in the AI visibility space, so this comparison is not neutral. Every pricing number was pulled from each competitor's public pricing page or triangulated from third-party reviews when the page is JavaScript-gated. Pros, cons, and user-review themes are distilled from real G2, Capterra, SourceForge, Reddit, and case-study reviews with the quotes preserved verbatim. We update this comparison whenever the underlying data changes.