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Anthropic launches a Claude AI agent that lives in Chrome

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Anthropic launches a Claude AI agent that lives in Chrome Maxwell Zeff PM PDT · August 26, 2025 Anthropic is launching a research preview of a browser-based AI agent powered

The browser is quickly becoming the next battleground for AI labs, which aim to use browser integrations to offer more seamless connections between AI systems and their users. Perplexity recently launched its own browser, Comet, which features an AI agent that can offload tasks for users. OpenAI is reportedly close to launching its own AI-powered browser, which is rumored to have similar features to Comet. Meanwhile, Google itself has launched Gemini integrations with Chrome in recent months.

The race to develop AI-powered browsers is especially pressing given Google’s looming antitrust case, in which a final decision is expected any day now. The federal judge in the case has suggested he may force Google to sell its Chrome browser. Perplexity submitted an unsolicited $34.5 billion offer for Chrome, and OpenAI CEO Sam Altman suggested his company would be willing to buy it as well.

In the Tuesday blog post, Anthropic warned that the rise of AI agents with browser access poses new safety risks. Last week, Brave’s security team said it found that Comet’s browser agent could be vulnerable to indirect prompt-injection attacks, where hidden code on a website could trick the agent into executing malicious instructions when it processed the page.

(Perplexity’s head of communications, Jesse Dwyer, told TechCrunch in an email that the vulnerability Brave raised has been fixed.)

Anthropic says it hopes to use this research preview as a chance to catch and address novel safety risks, however, the company has already introduced several defenses against prompt injection attacks. The company says its interventions reduced the success rate of prompt injection attacks from 23.6% to 11.2%.

Techcrunch event Tech and VC heavyweights join the Disrupt 2025 agenda Netflix, ElevenLabs, Wayve, Sequoia Capital, Elad Gil — just a few of the heavy hitters joining the Disrupt 2025 agenda. They’re here to deliver the insights that fuel startup growth and sharpen your edge. Don’t miss the 20th anniversary of TechCrunch Disrupt, and a chance to learn from the top voices in tech — grab your ticket now and save up to $600+ before prices rise. Tech and VC heavyweights join the Disrupt 2025 agenda Netflix, ElevenLabs, Wayve, Sequoia Capital — just a few of the heavy hitters joining the Disrupt 2025 agenda. They’re here to deliver the insights that fuel startup growth and sharpen your edge. Don’t miss the 20th anniversary of TechCrunch Disrupt, and a chance to learn from the top voices in tech — grab your ticket now and save up to $675 before prices rise. San Francisco | October 27-29, 2025 REGISTER NOW For example, Anthropic says users can limit Claude’s browser agent from accessing certain sites in the app’s settings, and the company has,

This isn’t Anthropic’s first foray into AI models that can control your computer screen. In October 2024, the company launched an AI agent that could control your PC — however, testing at the time revealed that the model was quite slow and unreliable.

The capabilities of agentic AI models have improved quite a bit since then. TechCrunch has found that modern browser-using AI agents, such as Comet and ChatGPT Agent, are fairly reliable at offloading simple tasks for users. However, many of these agentic systems still struggle with more complex problems.

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Maxwell Zeff Senior AI

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October 27-29, 2025 San Francisco Put your brand in front of 10,000+ tech and VC leaders across all three days of Disrupt 2025. Amplify your reach, spark real connections, and lead the innovation charge. Secure your exhibit space before your competitor does.

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