04-x vs Leo - Which AI Customer Engagement Software Platform Is Better in October 2025?

	04-x Privacy-first chat platform for interacting with LLMs Visit Website Visit Website	Leo Improved webpage browsing experience Visit Website Visit Website

TL;DR - Quick Comparison Summary

Description	04-x is a chat platform that prioritizes privacy and is specifically designed for interacting with Language Learning Models (LLMs). The platform stands out for its strong emphasis on user Read more +	Introducing Leo - the ultimate browsing companion for improved webpage navigation. This revolutionary AI assistant, integrated into the Brave browser, elevates the user's online experience. Read more +
Pricing Options	No free trial Not Available	No free trial Not Available
	Visit Website	Visit Website

What Do 04-x and Leo Cost?

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Starting From	Not Available	Not Available
	View Detailed Pricing	View Detailed Pricing

04-x User Reviews & Rating Comparison

	Pros of 04-x Privacy-focus End-to-end user data encryption Supports GPT-4 GPT-3.5 DALLE 3 Supports Claude 2 Claude Instant Supports various Cohere models Supports open-source models Allows locally run models	Pros of Leo Built into Brave browser Interactive with web pages Provides video transcripts Generates article summaries Assists with reading comprehension Operates as chatbot Suggests follow-up questions User privacy priority Anonymously inputs submissions No user login required
	Cons of 04-x Limited login options No multi-platform support mentioned No collaborative features No explicit offline availability No mobile app mentioned No details on data retention Limited info on error handling	Cons of Leo Only available in Nightly version Limited to Brave browser Does not possess live information Could have potential inaccuracies No option to review past chats Dependent on browser context User prompt specificity required Exclusively for desktop users Unavailable for mobile users Lacks account creation for personalization

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Neither 04-x nor Leo offers a free trial.

Pricing details for both 04-x and Leo are unavailable at this time. Contact the respective providers for more information.

04-x offers several advantages, including Privacy-focus, End-to-end user data encryption, Supports GPT-4, GPT-3.5, DALLE 3 and many more functionalities.

The cons of 04-x may include a Limited login options, No multi-platform support mentioned, No collaborative features, No explicit offline availability. and Limited info on error handling

Leo offers several advantages, including Built into Brave browser, Interactive with web pages, Provides video transcripts, Generates article summaries, Assists with reading comprehension and many more functionalities.

The cons of Leo may include a Only available in Nightly version, Limited to Brave browser, Does not possess live information, Could have potential inaccuracies. and Lacks account creation for personalization

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

04-x vs Leo - Which AI Customer Engagement Software Platform Is Better in October 2025?

04-x

Leo

TL;DR - Quick Comparison Summary

Description

Pricing Options

What Do 04-x and Leo Cost?

Pricing Option

Starting From

04-x User Reviews & Rating Comparison

Pros of 04-x

Pros of Leo

Cons of 04-x

Cons of Leo

Media and Screenshots

Screenshots

Frequently Asked Questions (FAQs)