Multi-character AI conversation room

Create conversations between AI characters.

Chat with famous thinkers, cities, science objects, human body organs, and your own custom AI characters — all inside one beautiful conversation room.

Learn by talking directly to the people, places, objects, and ideas you are curious about.

Built for curious learners, students, teachers, creators, founders, and AI explorers.

Learn fasterAsk better questionsExplore ideasBuild custom characters
How it works

Pick characters. Drag them in. Start learning.

Orchera turns learning into a live conversation with the subjects you want to understand.

01

Choose characters

Browse thinkers, scientists, entrepreneurs, cities, objects, organs, artists, and historical figures.

02

Drag them into a room

Add up to 4 characters into one shared conversation.

03

Ask questions

Watch characters answer you, challenge each other, explain ideas, and build the conversation together.

Learn by talking

Learn by talking to the subject itself.

Instead of only reading about a topic, ask it questions. Talk with people, places, objects, organs, and ideas as if they were in the room.

History

Don’t just read about Napoleon — ask him why he made certain decisions.

Physics

Don’t just memorize light — ask Photon how it moves, reflects, and behaves.

Business

Don’t just read founder stories — ask entrepreneurs how they built, failed, and scaled.

Biology

Don’t just study anatomy — ask the Heart, Brain, or Lungs how they work.

Cities

Don’t just search travel guides — ask Tokyo, Paris, Cairo, Berlin, or New York about their culture and history.

Your turn

Bring any topic to life — talk to ideas, eras, planets, or your own custom characters.

Character library

A living library of AI characters, places, objects, and ideas.

Start with Orchera’s ready-made characters or create your own from scratch.

Speak with human body parts, historical figures, scientists, and cities — and learn about them from themselves. Engage in conversation, watch them talk to each other, or build your own custom character. Tap any card below to read who they are.

Tech & Innovation

Pioneers shaping the future.

Science & Thinking

Discoveries and big ideas.

Business & Strategy

Founders, operators, advisors.

Philosophy

Timeless thinkers and questions.

Politics & History

Leaders and pivotal moments.

Creative & Art

Painters, writers, makers.

Cities

Talk to places with character.

Human Body

Organs explain themselves.

Physics Objects

Photon, electron, gravity.

Biology Objects

Cells, genes, ecosystems.

Features

More than AI chat. A multi-character thinking room.

Multi-character chat

Drag and drop up to 4 characters into one conversation.

Natural group conversation

Characters reply to you and interact with each other.

Custom characters

Build characters with persona prompts, files, images, links, and API keys.

Source-supported answers

Sources only, sources plus model knowledge, with citations when possible.

Conversation controls

Round-based or free mode, with short, moderate, or long replies.

Memory, saving & export

Save conversations, use character memory, export PDF or text, share rooms.

Use cases

Use Orchera to explore almost anything.

Students

Turn difficult topics into conversations with characters that explain, compare, and simplify.

Teachers

Create interactive lessons where students can ask historical figures, cities, objects, and organs questions.

Founders

Discuss strategy with business thinkers, entrepreneurs, and custom advisor characters.

Researchers

Create source-supported characters from files, links, and notes to explore knowledge conversationally.

Creators

Build characters, worlds, interview formats, debates, and educational content ideas.

Curious Learners

Explore history, science, culture, philosophy, business, and biography through conversation.

Choose your path

Choose how you want to start.

Use Orchera’s ready-made character library, or create your own private character workspace with your own API key.

Most popular

Orchera Library Workspace

Best for fast learning, exploration, and ready-made AI characters.

Start instantly with Orchera’s character library. Chat with famous thinkers, cities, science objects, body organs, entrepreneurs, artists, and historical figures. You can also create your own characters anytime and add them to your private library — they stay yours and aren’t shared with other users.

  • Free trial with limited characters and messages
  • Ready-made Orchera characters
  • Create your own characters (private to you)
  • Credit-based usage
  • Multi-character rooms
  • Saved and exportable conversations
You are welcome to use our Free Workspace

Custom Character Workspace

Best for private characters, custom knowledge, and advanced users.

Start with a completely empty workspace — no preset characters. Build your own AI characters and categories from scratch, add persona prompts, upload files, add images, connect website links, and bring your own API key.

  • Empty workspace — no preset characters
  • Create your own characters and categories
  • Add files and source material
  • Add website links
  • Use your own API key
  • Build private AI assistants and experts

Free Workspace — what's included

Bring your own API key. Custom characters and replies stay unlimited. Files, storage and saved chats follow the limits below.

See full pricing →
Custom characters
Unlimited
BYOK AI replies
Unlimited
File uploads
Limited
Max file size
5 MB
Max PDF pages
20 pages
Files per character
3 files
Images per character
3 images
Total storage
50 MB
Saved chats
10–20
Inactive file deletion
after 90 days
Pricing

Simple pricing for every way you want to chat.

Start free, use credits for Orchera characters, or bring your own API key for custom characters.

Free Trial

Test Orchera with selected characters and limited messages.

Credits

Buy credits to continue chatting with Orchera ready-made characters.

Bring Your Own API Key

Create custom characters and connect your own API key for private usage.

FAQ

Questions, answered.

Start your first AI character conversation.

Pick a character, ask a question, and turn learning into a conversation.