What are the security risks of using Opera's Neon AI browser?

Neon, like other AI browsers, may be vulnerable to prompt injection attacks and could potentially share sensitive data with developers.

Why does Gartner advise businesses to avoid AI browsers?

Gartner warns that AI browsers risk exposing proprietary data and are susceptible to malicious prompt injection attacks.

How much does Opera's AI browser Neon cost?

Opera's AI browser Neon is available for a monthly subscription fee of $19.90.

Home / Technology / Gartner Warns: Avoid AI Browsers Now

Gartner Warns: Avoid AI Browsers Now

12 Dec, 2025

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Summary

Opera's new AI browser, Neon, costs $19.90 monthly.
Gartner advises businesses against AI browsers due to data risks.
AI browsers are vulnerable to prompt injection attacks.

Opera has introduced Neon, an AI-powered web browser priced at $19.90 monthly, positioning it for 'AI power users.' This experimental browser offers access to advanced AI models like GPT-5.1 and Gemini 3 Pro, aiming to automate web tasks.

However, this development follows a critical advisory from Gartner, which urges businesses to cease using AI browsers. The research firm cited concerns over proprietary data being shared with developers' cloud servers and significant vulnerabilities to prompt injection attacks, where malicious actors could trick the browser into harmful actions.

While Opera acknowledges these risks and states it has implemented mitigation strategies such as prompt analysis, the company concedes that the non-deterministic nature of AI means the threat of prompt injection cannot be entirely eliminated. Users are therefore advised to proceed with caution.

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