Chai AI Review (2026): What Is the Chai App, Who Makes It, and Is Chai Pro Worth It?
Chai is an AI chat app where people create AI characters ("bots") and share them in a swipeable feed, and anyone can chat with them. It's made by Chai Research, founded in 2021 by William Beauchamp, and runs on iOS, Android and the web at chai-ai.com. The app is free with daily limits and ads. Chai Pro costs $159.99/year (about ₹13,440) or $9.99/week, and removes ads and limits. It's rated 18+. Avoid "Chai premium APK" downloads: they're unofficial, often unsafe, and against the app's terms. If Chai is down, it's usually a temporary outage you have to wait out.
Editor's note: pricing and features checked September 2026. We're not affiliated with Chai; confirm details on chai-ai.com or in the app before you pay.
Key takeaways
- What it is: a mobile-first, feed-style AI character chat app with 25M+ user-created bots (Chai's own figure).
- Company: Chai Research, founded 2021 by William Beauchamp; based in Palo Alto, California (it started in Cambridge, England).
- Price: free with limits and ads; Pro $159.99/year or $9.99/week; a 24-hour trial converts to annual billing unless cancelled.
- Safety: 18+ on Google Play, looser filtering than Character.AI, and heavy ads on the free tier.
- Our score: 6.5/10. Fun and fast, but expensive to upgrade and English-first.
What is the Chai app?
Chai (sometimes written CHAI) is an AI chat platform built around user-made characters. Its name comes from "Chat + AI". Instead of a search page, the app opens on a feed of bots you swipe through, like short videos. Tap one to start chatting. Bots cover anime, RPG adventures, horror, comfort characters, romance, games and more. Chai says it hosts over 25 million user-created characters and runs its own in-house language models tuned for expressive conversation.
People who search "hello chai" or "what is chai app" usually just want to get started. There's no single official character called "Chai" to talk to; you pick bots from the feed, or create your own with a name, a first message, a backstory and an image.
Who owns Chai? (Chai company)
Chai is made by Chai Research. It was founded in 2021 by William Beauchamp, a former quantitative trader. According to Wikipedia, the company started in Cambridge, England, and is now based in Palo Alto, California. It develops its own AI models rather than simply reselling another company's chatbot.
Useful facts about the Chai company and product (September 2026):
| Chai | |
|---|---|
| Developer | Chai Research |
| Founded | 2021, by William Beauchamp |
| Platforms | iOS, Android, web (chai-ai.com) |
| Library | 25M+ user-created characters (company figure) |
| Google Play (when checked) | 10M+ downloads, about 2.3★ from ~830K reviews, rated 18+ |
| Support | Via the official site (support@chai-ai.com at the time of writing) |
How Chai works
- Swipe the feed to find a bot, or search by theme.
- Chat. If you don't like a reply, swipe or regenerate for another one.
- Create a bot: give it a name, first message, memory and prompt/backstory, and an image. Keep it private or publish it to the feed.
- Use it anywhere: the phone apps and the website. Note Chai's own FAQ: Chai Web (Pro) and the Chai App are separate platforms with no data sharing, so chats and subscriptions don't automatically carry over between them.
For a step-by-step guide to using Chai in the browser and logging in, see our Chai vs Character AI comparison.
Chai free vs Chai Pro (pricing)
From the official Chai pricing page, at the time of writing:
| Plan | Price | What you get |
|---|---|---|
| Free | ₹0 | Chat with daily limits; ads and sponsored content |
| Pro (annual) | $159.99/year (~$13.33/month, about ₹13,440/year) | No ads, priority speed, top models |
| Weekly | $9.99/week (about ₹840/week) | Same benefits, billed weekly |
| CHAI MAX (for Pro users) | Auto: $0.66 per 1,000 tokens, or $90/month | Access to its largest models |
| Trial | 24 hours | Converts to annual billing unless cancelled |
Is Chai Pro worth it? If you chat on Chai every day and the ads drive you mad, the annual plan is the sensible way to pay. Be careful with the weekly plan: over a month it costs about four times what Character.AI charges for c.ai+ ($9.99/month). And set a reminder before the 24-hour trial ends if you don't want to be billed for a year.
"Chai premium APK" and "Chai AI APK": should you download them?
No. Searches for "chai premium apk" and "chai ai apk" usually lead to modified ("modded") versions that claim to unlock Pro for free. Here's why to avoid them:
- Security: modded APKs can carry malware, steal your Google login or session, and read other data on your phone.
- Account risk: using a tampered app breaks the terms of service and can get your account banned, taking your chats with it.
- It often doesn't work as promised: premium features generally depend on Chai's servers, so "unlocked" builds tend to break or stop working after updates.
- Privacy: you have no idea who modified the app or what it sends where.
What to do instead: install Chai only from the Google Play Store or Apple App Store, or use the website at chai-ai.com. If the Play Store isn't available on your device, use the web version. If Pro is too expensive, use the free tier or a cheaper alternative; see the end of this review.
Is Chai safe?
- Age: rated 18+ on Google Play. It isn't meant for teenagers.
- Content filter: looser than Character.AI's. Adults who find other apps too restrictive like that, but you're more likely to meet content you didn't ask for. Report bots that cross the line.
- Scrutiny: Chai has faced regulatory scrutiny in Belgium over a widely reported user-safety case, and it says it added in-chat safety features for conversations that touch on unsafe topics.
- Privacy: Google Play's data-safety section lists collection of personal info, financial info and location, with some sharing with third parties. Data is encrypted in transit and deletion can be requested.
- Ads: the free tier is ad-supported, and many reviewers call the ads intrusive.
As with any AI chat: characters are AI and can say things that are wrong or unsettling. Don't share personal details, and talk to a real person or professional if you're struggling.
Chai not working? When will Chai be fixed?
If you're searching "when will chai be fixed", it's usually during an outage. There's no official timetable for fixes, but you can quickly work out whether the problem is Chai or your device:
- Check if it's everyone. If Chai fails on both Wi-Fi and mobile data, and on both the app and the website, it's almost certainly an outage. Check Chai's official social channels or community pages for updates, then wait. Outages are usually temporary.
- Update the app from the Play Store or App Store. Old versions can break after a server update.
- Restart and clear cache. On Android: Settings → Apps → Chai → Storage → Clear cache (not "Clear data", which may sign you out).
- Try the other platform. If the app fails, try chai-ai.com, and vice versa. Remember that web and app don't share chats.
- Sign in with the right account. Missing chats usually mean you're in a different Google or Apple account, or on web instead of app.
- Contact support through the official site if the problem is only on your account.
Don't install "fixed" APKs from other sites to get around an outage. They won't make Chai's servers work any faster, and they carry the risks above.
Chai review scores (2026)
| Category | Score | Notes |
|---|---|---|
| Bot library | 9/10 | Huge, fast-growing, feed makes discovery fun |
| Ease of use | 8/10 | Swipe, tap, chat |
| Conversation quality | 6.5/10 | Varies a lot by bot |
| Free-tier value | 5.5/10 | Daily limits and heavy ads |
| Pro value | 5/10 | Pricier than Character.AI; weekly plan adds up |
| Safety for under-18s | Not suitable | Rated 18+ |
| Hindi / Hinglish | 4/10 | English-first; no Hindi setting |
| Overall | 6.5/10 | Fun and addictive, expensive to upgrade |
Pros: enormous library, addictive swipe discovery, fast mobile app, easy bot creation. Cons: intrusive ads on free, expensive Pro and weekly plans, looser filtering, web and app don't sync, English-first.
Chai vs Character AI vs Kirdaar AI
| Chai | Character AI | Kirdaar AI | |
|---|---|---|---|
| Best for | Swiping user bots on mobile | Polished chats, big library | Hindi/Hinglish chat, no subscription |
| Paid model | $159.99/yr or $9.99/week | c.ai+ $9.99/month | One-time credit packs from $5, never expire |
| Filter | Looser | Strict | Standard by default |
| Languages | English-first | English-first | English, Hindi, Hinglish, per chat |
| Platforms | iOS, Android, web | iOS, Android, web | Web / installable PWA |
Our full Chai vs Character AI comparison goes deeper, and the best Character AI alternatives list covers 12 more apps.
A Hinglish-first, subscription-free alternative
Full disclosure: this is our app. If Chai's ads or pricing put you off, or you mostly chat in Hinglish, Kirdaar AI takes a different approach:
- No subscription and no weekly plan: free starter credits, then one-time packs from $5 (about ₹420) that never expire. See pricing.
- English, Hindi (Devanagari) and Hinglish, switchable per chat. See our Hindi AI chatbot guide.
- Ready-made characters like Meera, the Hinglish bestie, Inspector Rana for detective roleplay and Kahaanikaar for interactive stories, plus create-your-own.
- Four modes: Quick chat, Roleplay, Storytelling and Deep talk.
Honest trade-offs: a tiny library next to Chai's, no swipe feed, no voice, and no app-store app (it installs from your browser instead).
You: Detective sahab, mera tiffin office fridge se phir gayab ho gaya!
Inspector Rana: Notebook kholta hai. Teesri baar? Toh yeh coincidence nahi, pattern hai. Batao, tiffin mein kya tha, aur lunch se pehle fridge ke paas sabse zyada kaun dikhta hai?
The bottom line
Chai is one of the most fun ways to discover AI characters, as long as you can live with ads or pay a relatively high price for Pro, and you stick to the official app. If you'd rather pay only for what you use and chat in Hinglish, try Kirdaar AI with free starter credits.
18+. Characters are AI. Everything they say is made up.
Frequently asked questions
What is the Chai app?+
Chai is an AI chat app where users create AI characters and share them in a swipeable feed. You can chat with any of them on iOS, Android or the web at chai-ai.com.
Who owns Chai AI?+
Chai Research, founded in 2021 by William Beauchamp. The company is now based in Palo Alto, California.
Is Chai free?+
Yes, Chai is free to start with daily limits and ads. Chai Pro costs $159.99/year or $9.99/week at the time of writing.
Is Chai premium APK safe?+
No. Modified "premium" APKs are unofficial, can contain malware or steal your login, and can get your account banned. Use only the official Play Store or App Store app, or the website.
When will Chai be fixed?+
There's no official schedule for outages. If Chai fails on every network and on both app and website, it's a server-side outage; check Chai's official channels and wait. If it's only you, update the app, clear its cache and check you're signed in to the right account.
Is Chai safe for teenagers?+
No. Chai is rated 18+ on Google Play and its filtering is looser than Character.AI's.
Does Chai work in Hindi?+
You can type in Hindi, but Chai is English-first with no Hindi setting. Kirdaar AI has a built-in English, Hindi and Hinglish reply setting.
Characters in this article
Abhay Singh
Cloud architect and founder of Ldelight Solutions, the company behind Kirdaar AI. Writes about AI characters, Hindi and Hinglish chat, and building AI products for India.
Learn more about Kirdaar AI.