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Oniichat

For adult anime AI chat, not for everyday conversations.

Checked 6 Oct 2026 Reviewed by Alex Listed since August 2024

Screenshot of Oniichat

At a glance

Starts at $4.99 per month, billed yearly Price as published by the vendor, October 2026.
Free tier No
Platforms Web, Mobile Apps
Best for Adults seeking anime AI waifus
Not for Users Seeking Realistic Conversations

4.2 out of 5

Scored by Alex after real use

Our verdict

Oniichat lets you chat with AI girlfriend characters. It's great if you’re into waifu simulations but might be too niche otherwise.

✓What it does well

Character VarietyA wide selection of AI waifus to choose from.
Customization OptionsPersonalize the chat experience to match your preferences.
Adult ContentFocused on explicit adult-oriented content.

✕Where it falls short

Limited RealismCharacter responses feel scripted, not realistic.
Gems cost extraGem packs cost extra, from $9.99 for 750 gems, on top of the subscription.
High CostsSubscriptions can get expensive over time.

Key features

Character AIInteract with AI waifus in chats.
Custom ThemesCreate unique chat scenarios and themes.
Regular UpdatesNew characters and content added regularly.
Visual CustomizationPersonalize Chat Environment Visually

Questions about Oniichat

What is Oniichat?

Oniichat is an adult anime AI chat service where users talk with AI girlfriend characters, often called waifus. It offers a wide selection of characters, custom chat scenarios and themes, visual customization of the chat, and new characters added regularly.

How much does Oniichat cost?

Oniichat's Ultimate Annual plan costs $4.99 per month, billed $59.88 per year, and includes 8,250 gems per month and voice messages. The Ultimate Monthly plan gives the same benefits for $9.99 per month, billed monthly.

Does Oniichat charge extra for gems?

Oniichat sells gem packs on top of its subscription. They range from 750 gems for $9.99 up to 15,000 gems for $49.99, and the reviewer warns that subscriptions can get expensive over time.

Who is Oniichat for?

Oniichat is built for adults who want anime AI waifus and explicit chat. The reviewer calls it niche and says character responses feel scripted, so people seeking realistic conversations or everyday chat should look elsewhere.

Can I use Oniichat on my phone?

Oniichat runs on the web and on mobile apps, so chats with its AI waifus can happen in a browser or on a phone. Its listing also notes that new characters and content are added regularly.