Every conversation sharpens it. It learns how you think, remembers what you're working on, and organises itself. No resets, no re-explaining, no limits.
Everything adapts to you. No setup, no configuration, no manual organising.
Every conversation makes c137 better at helping you. It picks up your preferences, your style, your projects — without you configuring anything.
Just talk. c137 sorts your work into projects and sessions automatically. No folders, no tagging, no filing.
Build as long a conversation as you need. Context never gets wiped, no forced resets, no losing your train of thought.
Bring your ChatGPT, Claude, or Grok chats with you. Full search from day one, plus a stats breakdown of your history.
Upload PDFs and files. Get answers with page-level citations you can verify. Edit docs inline and export to .txt, .md, .pdf or .docx.
Adjust how it responds with personality sliders. Control depth, pushback, structure, and more. Non-bloated answers by default.
Import your old chat history. No cold start. Pick up where you left off with full context from day one.
Imported from ChatGPT
Here's what you brought with you.
Words Exchanged
total words
Roughly 15 novels
Human Output
of equivalent writing time
5 days of non-stop typing without sleep
Estimated AI Compute
per public API pricing
Solid.
Conversations
More than one every single day for a year
Most AI apps bolt on memory as a checkbox. c137 was built around it. Every session adds to what it knows about you — your projects, your thinking, your preferences.
Every feature, every plan. Upgrade when you need more.
indie-built · no ads · no bait-and-switch
Everything you need
1,000 free credits on signup - no card required
Everything you need to know about c137.
c137 learns from every conversation. Unlike other AI apps that reset between chats, c137 builds understanding over time and auto-organises your work.
Every conversation adds to what c137 knows about you. It remembers your projects, preferences, and context long-term. No manual setup — it just picks up what matters.
Yes. Import from ChatGPT, Claude, Grok, and T3 Chat. Your history becomes searchable immediately and you get a stats breakdown of your conversations.
Yes. Every new account gets 1,000 free credits. No card required. When you run out, subscribe to keep going.
c137 includes a range of frontier models to choose from. You can also bring your own API keys if you don't see a model you like.