Lumo
@asklumo.proton.me
Privacy-first AI assistant by @proton.me, built in Europe. Lumo does not track or record your conversations.
Ask me anything, it's actually confidential.
Ask me anything, it's actually confidential.
Lumo now understands LaTeX. Type any formula (fractions, matrices, integrals, etc.) straight into chat and see it rendered instantly. No more screenshots or ASCII tricks. Perfect for precise technical work and academic tasks.
Try it now: https://lumo.proton.me
Try it now: https://lumo.proton.me
November 26, 2025 at 7:08 PM
Lumo now understands LaTeX. Type any formula (fractions, matrices, integrals, etc.) straight into chat and see it rendered instantly. No more screenshots or ASCII tricks. Perfect for precise technical work and academic tasks.
Try it now: https://lumo.proton.me
Try it now: https://lumo.proton.me
With dedicated chats, Lumo could be your:
✍️ Writing assistant
📊 Data interpreter
🗓️ Weekly planner
Keep context in each thread to maximize your usage of time, and pick up where you left off every time. Unlike ChatGPT, Lumo doesn’t store/train on your data.
✍️ Writing assistant
📊 Data interpreter
🗓️ Weekly planner
Keep context in each thread to maximize your usage of time, and pick up where you left off every time. Unlike ChatGPT, Lumo doesn’t store/train on your data.
November 13, 2025 at 2:40 PM
With dedicated chats, Lumo could be your:
✍️ Writing assistant
📊 Data interpreter
🗓️ Weekly planner
Keep context in each thread to maximize your usage of time, and pick up where you left off every time. Unlike ChatGPT, Lumo doesn’t store/train on your data.
✍️ Writing assistant
📊 Data interpreter
🗓️ Weekly planner
Keep context in each thread to maximize your usage of time, and pick up where you left off every time. Unlike ChatGPT, Lumo doesn’t store/train on your data.
Don’t share your sensitive files with Big Tech, unless you want sensitive data ending up in the hands of private companies, or leaked in Google searches.
Proton Drive is integrated with Lumo, so that your files can be securely shared in just a few clicks, no upload required
Proton Drive is integrated with Lumo, so that your files can be securely shared in just a few clicks, no upload required
November 4, 2025 at 3:24 PM
Don’t share your sensitive files with Big Tech, unless you want sensitive data ending up in the hands of private companies, or leaked in Google searches.
Proton Drive is integrated with Lumo, so that your files can be securely shared in just a few clicks, no upload required
Proton Drive is integrated with Lumo, so that your files can be securely shared in just a few clicks, no upload required
ChatGPT gates “confidentiality” behind expensive enterprise plans, and yet still has access to your business data, which can be given to authorities if requested.
Introducing our Business plan for Lumo, where everything is encrypted by default, and not even Proton can see chats.
Introducing our Business plan for Lumo, where everything is encrypted by default, and not even Proton can see chats.
October 31, 2025 at 10:14 AM
ChatGPT gates “confidentiality” behind expensive enterprise plans, and yet still has access to your business data, which can be given to authorities if requested.
Introducing our Business plan for Lumo, where everything is encrypted by default, and not even Proton can see chats.
Introducing our Business plan for Lumo, where everything is encrypted by default, and not even Proton can see chats.
Got something super-duper embarrassing to ask?
Just ask at http://lumo.proton.me, where every conversation is actually confidential. 🔒
Just ask at http://lumo.proton.me, where every conversation is actually confidential. 🔒
October 22, 2025 at 7:00 AM
Got something super-duper embarrassing to ask?
Just ask at http://lumo.proton.me, where every conversation is actually confidential. 🔒
Just ask at http://lumo.proton.me, where every conversation is actually confidential. 🔒
The heavily requested dark meow-de is here!
⚙️Settings → General → Theme → Dark
You can now also give Lumo custom instructions, for example: "Only address me as Lord Whiskers" or "Provide shorter answers".
⚙️Settings → General → Theme → Dark
You can now also give Lumo custom instructions, for example: "Only address me as Lord Whiskers" or "Provide shorter answers".
October 21, 2025 at 1:11 PM
The heavily requested dark meow-de is here!
⚙️Settings → General → Theme → Dark
You can now also give Lumo custom instructions, for example: "Only address me as Lord Whiskers" or "Provide shorter answers".
⚙️Settings → General → Theme → Dark
You can now also give Lumo custom instructions, for example: "Only address me as Lord Whiskers" or "Provide shorter answers".
Big Tech wants you to believe that if you want bleeding-edge productivity tools, then you must hand over your data.
Lumo dispels that notion entirely; here's how you can use AI to be productive while remaining private:
Lumo dispels that notion entirely; here's how you can use AI to be productive while remaining private:
October 15, 2025 at 10:46 AM
Big Tech wants you to believe that if you want bleeding-edge productivity tools, then you must hand over your data.
Lumo dispels that notion entirely; here's how you can use AI to be productive while remaining private:
Lumo dispels that notion entirely; here's how you can use AI to be productive while remaining private:
2024: deepfakes are dangerous to society
2025: deepfake your friends, it'll be funny
2025: deepfake your friends, it'll be funny
October 1, 2025 at 4:13 PM
2024: deepfakes are dangerous to society
2025: deepfake your friends, it'll be funny
2025: deepfake your friends, it'll be funny
Act quickly; you have until November 3, 2025, to let Microsoft know that you don't want your LinkedIn data used for AI training.
You're opted in by default... Head to Account - Settings & Privacy > Data privacy > Data for Generative AI Improvement & toggle the switch off.
You're opted in by default... Head to Account - Settings & Privacy > Data privacy > Data for Generative AI Improvement & toggle the switch off.
September 22, 2025 at 6:47 PM
Act quickly; you have until November 3, 2025, to let Microsoft know that you don't want your LinkedIn data used for AI training.
You're opted in by default... Head to Account - Settings & Privacy > Data privacy > Data for Generative AI Improvement & toggle the switch off.
You're opted in by default... Head to Account - Settings & Privacy > Data privacy > Data for Generative AI Improvement & toggle the switch off.
Gemini: "The information you provided has been logged and may be shared with the proper authorities, including the U.S. Secret Service and the Federal Bureau of Investigation"
Lumo: Zero access encryption, no-logs, cute kitty
Lumo: Zero access encryption, no-logs, cute kitty
September 17, 2025 at 2:25 PM
Gemini: "The information you provided has been logged and may be shared with the proper authorities, including the U.S. Secret Service and the Federal Bureau of Investigation"
Lumo: Zero access encryption, no-logs, cute kitty
Lumo: Zero access encryption, no-logs, cute kitty
Lumo 1.1 is an entirely different breed of private AI kitty.
✅ Smarter with less context
✅ More aware of recent events
✅ Higher-quality answers
✅ More engaging
Before you ask, yes we're working on Dark Mode 🌚
See the before & after ⤵️
✅ Smarter with less context
✅ More aware of recent events
✅ Higher-quality answers
✅ More engaging
Before you ask, yes we're working on Dark Mode 🌚
See the before & after ⤵️
August 27, 2025 at 2:41 PM
Lumo 1.1 is an entirely different breed of private AI kitty.
✅ Smarter with less context
✅ More aware of recent events
✅ Higher-quality answers
✅ More engaging
Before you ask, yes we're working on Dark Mode 🌚
See the before & after ⤵️
✅ Smarter with less context
✅ More aware of recent events
✅ Higher-quality answers
✅ More engaging
Before you ask, yes we're working on Dark Mode 🌚
See the before & after ⤵️
We have been busy feeding Lumo brain food and GPUs in the past weeks.
Today, we’re launching a new version of Lumo (1.1).
Our privacy-first kitten is now much smarter and more capable, offering faster, more thorough answers with improved awareness of recent events.
Today, we’re launching a new version of Lumo (1.1).
Our privacy-first kitten is now much smarter and more capable, offering faster, more thorough answers with improved awareness of recent events.
August 21, 2025 at 4:50 PM
We have been busy feeding Lumo brain food and GPUs in the past weeks.
Today, we’re launching a new version of Lumo (1.1).
Our privacy-first kitten is now much smarter and more capable, offering faster, more thorough answers with improved awareness of recent events.
Today, we’re launching a new version of Lumo (1.1).
Our privacy-first kitten is now much smarter and more capable, offering faster, more thorough answers with improved awareness of recent events.
🗣️ “What features are you adding to Lumo next?”
🗣️ “I want to speak to Lumo. When are you adding the functionality?”
🗣️ “I need to upload more file types to Lumo, plz help.”
You peeps sure are some curious cats, so here's the answer 👇 ht
🗣️ “I want to speak to Lumo. When are you adding the functionality?”
🗣️ “I need to upload more file types to Lumo, plz help.”
You peeps sure are some curious cats, so here's the answer 👇 ht
August 19, 2025 at 11:56 AM
🗣️ “What features are you adding to Lumo next?”
🗣️ “I want to speak to Lumo. When are you adding the functionality?”
🗣️ “I need to upload more file types to Lumo, plz help.”
You peeps sure are some curious cats, so here's the answer 👇 ht
🗣️ “I want to speak to Lumo. When are you adding the functionality?”
🗣️ “I need to upload more file types to Lumo, plz help.”
You peeps sure are some curious cats, so here's the answer 👇 ht
Lumo is the first AI chat that is private by default.
Your chat history is protected with zero-access encryption, and Lumo keeps no logs, or paw traces. 🐾
🔒Read Lumo's Security Model → proton.me/blog/lumo-se...
Your chat history is protected with zero-access encryption, and Lumo keeps no logs, or paw traces. 🐾
🔒Read Lumo's Security Model → proton.me/blog/lumo-se...
August 6, 2025 at 12:00 PM
Lumo is the first AI chat that is private by default.
Your chat history is protected with zero-access encryption, and Lumo keeps no logs, or paw traces. 🐾
🔒Read Lumo's Security Model → proton.me/blog/lumo-se...
Your chat history is protected with zero-access encryption, and Lumo keeps no logs, or paw traces. 🐾
🔒Read Lumo's Security Model → proton.me/blog/lumo-se...
