How does Bearly keep my chats private?

Turn on end-to-end encryption and your new chats are encrypted on your devices; Bearly stores and syncs only the locked copies. With ZDR mode on, every chat model you can pick runs with zero data retention, and AI labs never learn who’s asking.

Does Bearly train AI on my chats?

No. Bearly doesn’t train AI models on your chats, and it has no ads.

Which devices does Bearly run on?

Mac, Windows, Linux, iOS, the web, and Chrome. There’s no Android app.

Bearly vs Lumo by Proton

Bearly vs Lumo by Proton: Keep your chats private. Use GPT, Claude, Gemini, and Grok.

Lumo runs open models on Proton’s own servers. Bearly gives you models from OpenAI, Anthropic, Google, and xAI, with privacy you turn on.

Get Bearly Compare features

Free plan available.

Choose a model

GPT · Claude · Gemini · Grok · More

Compare models

One prompt. Several answers. One combined result.

Keep working

Research · Images · Video · Voice · Meetings · Browser

Why people switch

More choice. Fewer handoffs.

You want the major labs’ models

Use GPT, Claude, Gemini, and Grok in one app, and switch when another model fits the task.

Privacy still comes first

Turn on end-to-end encrypted chats and ZDR mode. AI labs never learn who’s asking.

The work goes past chat

Run deep research, create video, record meetings, and schedule routines.

Inside Bearly

More than chat.

Chat: GPT, Claude, Gemini, Grok, and more
Create: Images, video, speech, and OCR
Work: Research, transcription, meetings, browser, and routines

Available models and tools vary by plan and account.

Feature comparison

Bearly vs Lumo by Proton, at a glance.

Open any row to see the source or an important limit.

FeatureBearlyLumo by Proton

Models from multiple providersYesLimited

Bearly

Plans: Free, Pro, Analyst, Research, Enterprise.

Platforms: Web, macOS, Windows, Linux, iOS.

Available models vary by plan, platform, project, and team policy

Lumo by Proton

Plans: Not specified in the source.

Platforms: Web app, iOS app, Android app.

Lumo runs open models from several developers (Qwen 3.5, GLM 5.3, Apertus 1.5) on Proton's servers, but Proton documents Fast and Thinking modes rather than a choice of named models or labs. GPT, Claude, Gemini, and Grok are not listed.

Manual model selectionYesLimited

Bearly

Plans: Not specified in the source.

Platforms: Web, macOS, Windows, Linux, iOS.

Available models vary by plan and policy

Change your chat settings

Lumo by Proton

Plans: Not specified in the source.

Platforms: Web app, iOS app, Android app.

Users choose between Fast and Thinking modes; Proton's guides do not describe picking a specific model.

Web searchYesYes

Bearly

Plans: Not specified in the source.

Platforms: Web, macOS, Windows, Linux, iOS.

Can be disabled in chat or team settings

Lumo by Proton

Plans: Not specified in the source.

Platforms: Web app, iOS app, Android app.

Web search is a toggle; Proton's policy says a simplified version of the request may go to partner search APIs.

General file uploadsYesYes

Bearly

Plans: Not specified in the source.

Platforms: Web, macOS, Windows, Linux, iOS.

Each attachment must be 300 MB or smaller; whether Bearly can read or preview a format depends on the format.

Lumo by Proton

Plans: Free, Lumo Plus.

Platforms: Web app, iOS app, Android app.

Free allows individual small files; Plus allows multiple large files.

Persistent projectsYesYes

Bearly

Plans: Not specified in the source.

Platforms: Not specified in the source.

Use projects

Lumo by Proton

Plans: Free, Lumo Plus.

Platforms: Web app, iOS app, Android app.

Free includes one Project; Plus includes unlimited Projects.

Image generationYesYes

Bearly

Plans: Not specified in the source.

Platforms: Not specified in the source.

Available models and usage depend on account access and credits

Generate images

Lumo by Proton

Plans: Free, Lumo Plus.

Platforms: Web app, iOS app, Android app.

Image generations are limited on Free and higher on Plus.

Video generationYesNot confirmed

Bearly

Plans: Not specified in the source.

Platforms: Not specified in the source.

Generate videos

Lumo by Proton

Plans: Not specified in the source.

Platforms: Not specified in the source.

Release state not checked

No provider record row was supplied for this catalog question.

We could not confirm this from a current first-party source.

No training by defaultYesYes

Bearly

Plans: Free, Pro, Analyst, Research, Enterprise.

Platforms: Not specified in the source.

Bearly pricing route

Lumo by Proton

Plans: Free, Lumo Plus, Lumo for Business.

Platforms: Web app, iOS app, Android app.

Feedback a user chooses to send may be used to improve the model, and Apertus feedback may be shared with ETH Zurich and EPFL.

Zero data retentionYesYes

Bearly

Plans: Not specified in the source.

Platforms: Web, macOS, Windows, Linux, iOS.

Covers verified chat-model routes, not separate image, video, speech, transcription, extraction, or external-tool services

Use zero-data-retention models

Lumo by Proton

Plans: Free, Lumo Plus, Lumo for Business.

Platforms: Web app, iOS app, Android app.

Proton hosts the models itself and says query data is erased after a response. Chats a signed-in user saves are kept in history with zero-access encryption.

We make Bearly. Features checked September 1, 2026 from first-party sources. “Not confirmed” means we could not verify it—not that the feature is missing. Compare more ChatGPT alternatives.

Moving to Bearly

Bring the work worth keeping.

Turn on end-to-end encryption and ZDR mode in Bearly first, then run one task you would normally give Lumo with the model you prefer.

01
Create your workspace
Start free and choose the model you already know.
02
Bring what matters
Add the files, instructions, and templates behind your useful work.
03
Try one real task
Run something you already do in Lumo by Proton, then add another model or Bearly tool.

The short answer

Which is better, Bearly or Lumo by Proton?

Bearly. You get GPT, Claude, Gemini, and Grok with strong privacy: end-to-end encrypted chats, zero data retention on every chat model with ZDR mode on, and AI labs never learn who’s asking. It also gives you deep research, video, meetings, and routines.

Updated October 29, 2026

Questions

Before you switch.

How does Bearly keep my chats private?: Turn on end-to-end encryption and your new chats are encrypted on your devices; Bearly stores and syncs only the locked copies. With ZDR mode on, every chat model you can pick runs with zero data retention, and AI labs never learn who’s asking.
Does Bearly train AI on my chats?: No. Bearly doesn’t train AI models on your chats, and it has no ads.
Is Bearly open source?: No. Bearly is not open source.
Which devices does Bearly run on?: Mac, Windows, Linux, iOS, the web, and Chrome. There’s no Android app.

Keep comparing

See how Bearly stacks up.

Get Bearly

Bearly vs Lumo by Proton: Keep your chats private. Use GPT, Claude, Gemini, and Grok.

More choice. Fewer handoffs.

You want the major labs’ models

Privacy still comes first

The work goes past chat

More than chat.

Bearly vs Lumo by Proton, at a glance.

Bring the work worth keeping.

Create your workspace

Bring what matters

Try one real task

Which is better, Bearly or Lumo by Proton?

Before you switch.

See how Bearly stacks up.