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Keepance vs ChatGPT

One-line verdict. ChatGPT is the best general-purpose chat tool on the internet. Keepance is what ChatGPT's conversations turn into when you want them to be files you own, search, and edit later.

Side-by-side

CapabilityKeepanceChatGPT
Chat becomes a file on your diskAutomaticNo
Works offlineYes (Ollama for inference too)No
Your data leaves your machineOnly the AI request itself, via your keyEvery conversation goes to OpenAI
Multiple modelsClaude, OpenAI, Gemini, OllamaOpenAI family only
Bring your own API keyRequiredUses OpenAI's billing
Search your own conversationsFull semantic search across your workspace, PDFs includedBasic text search in chat history
Edit a past answer alongside the chatOpen the file in the built-in editorCopy, paste, lose context
Image attachments in chatPaste, drag, paperclip. Vision-aware per provider.Yes, native
PDF chatDrop a PDF, Claude reads it natively. Others get text-extract.Yes, since 2023
Plugin / extension modelSandboxed, MIT-licensed marketplaceGPT Store custom GPTs
Read aloud (TTS)Local Piper, no cloudCloud-only
Long-context handling[Compress] passes summarize batches when you blow the windowHard fail at the model limit
UI languagesEnglish, Espanol, DeutschOpenAI ships many; the chat content matches your prompt
Try before you installFree web demo (no account, BYOK optional)chat.openai.com
Founder workflow templates15 built in + community marketplaceGPT Store, variable quality
Pricing$0, $49 one-time, $99 lifetime$20/mo Plus, $200/mo Pro
Image generationNoDALL-E + Sora built in
Voice modeLocal Parakeet.cpp input, local Piper outputChatGPT Voice Mode, cloud
MobileRead-only via cloud sync workaroundPolished iOS + Android

The real distinction

ChatGPT is shaped around a conversation being the unit of work. You ask, it answers, maybe you iterate, and eventually you close the tab. The answer lives in the conversation thread, and the conversation lives in OpenAI's cloud. If you come back three weeks later wanting the answer, you have to remember which conversation it was in.

Keepance is shaped around a file being the unit of work. You ask, the AI answers, but the answer ends up as a Markdown file in a folder on your hard drive. The next time you come back you open the file, not a conversation log. You can edit the file by hand, link it to other files, search across every file you've ever created, and back it up the way you back up any folder.

For one-off answers, ChatGPT is faster because there's no file system, no editor, no workspace. For the kind of work where you come back to the same topic across weeks or months (a pitch deck that evolves, a financial model that you iterate, a customer interview synthesis that grows), Keepance is better because the document exists independently of any single conversation.

The second distinction is privacy. ChatGPT stores every conversation on OpenAI's servers, eligible to be used for model improvement unless you opt out in settings. Keepance never sees your conversations. The app talks directly from your machine to your chosen AI provider using your own API key. The Keepance binary is never in the data path.

When to pick Keepance

When to pick ChatGPT

The honest caveat

Most founders end up using both. ChatGPT for quick answers and exploration, Keepance for the long-lived documents that define the business. The specific moment Keepance wins is when you realize you've had the same pricing conversation with ChatGPT four times across three months and can't find any of them. That's the workflow Keepance fixes.

Want your chats as files, not tabs?

Keepance is free to download. Windows, Mac, Linux.

Download Keepance