One assistant,
every advantage.
Memory that carries across conversations. Web search when answers need to be fresh. Your files, actually understood. All in one chat.
- 1. Activation lifts 38% with onboarding v3 (n=14k, p<0.01)
- 2. Retention curve flattens by week 6 across cohorts
- 3. Pro conversion correlates with file uploads, not chats
One assistant, every advantage.
Everything you need from an AI chat — wired together so they actually work as one.
Memory that carries over
AtheraI remembers the projects, people, and preferences you've shared — so every chat starts where the last one left off.
Answers from the live web
When a question needs today's information, AtheraI reaches out, reads the sources, and brings back something current.
Talks to your documents
Drop in a PDF, contract, or stack of notes and ask anything — AtheraI reads the whole thing and cites what it found.
Thinking mode, on demand
For the harder problems, flip on deeper reasoning and watch the model show its work step by step.
Any model, one chat
Swap between leading models mid-conversation when you want a second opinion or a different style of thinking.
Quietly does the routing
Quick lookup or complex reasoning — AtheraI picks the right model for each turn so you never have to.
Simple pricing. No surprises.
Start free. Upgrade only when you outgrow it.
- 20 chats per day
- File uploads up to 5MB
- Access to one base model
- Long-term + short-term memory
- Model switching
- Thinking mode
- 10× higher daily chat limit
- File uploads up to 50MB
- Full access to every LLM
- Thinking mode, unlimited
- Unlimited memory retention
- Priority response speed
Built by people who use it every day.
AtheraI exists because the best AI tools shouldn't feel like a toolbox you have to assemble. We're building one assistant that remembers, reasons, and reaches for the right capability on its own — the chat you'd build for yourself if you had the time.