The Best AI Assistants: An Honest Breakdown

Proteck'd EMF ApparelHealth & EMF Specialists

Published June 10, 2026·10 min read

Which AI Assistants Actually Respect Your Privacy in 2025?

Let's start with the thing most people care about first: what happens to your data. When you ask ChatGPT to rewrite your resume or brainstorm a business plan, that conversation doesn't just evaporate. OpenAI's privacy policy, updated in January 2025, states that user prompts may be used to train future models unless you manually toggle off the "Improve the model for everyone" setting. Most people never touch that toggle. They don't even know it's there.

Anthropic's Claude takes a different approach. According to their data retention policy, conversations are deleted within 30 days by default, and they don't use free-tier chats for training unless you explicitly opt in. That's a meaningful distinction. Google's Gemini sits somewhere in the middle, with data potentially feeding into their broader advertising ecosystem. That should give anyone pause ^[1].

Then there's DeepSeek, the Chinese-developed AI that surged in popularity in early 2025. Its privacy policy explicitly states that user data may be stored on servers in the People's Republic of China, subject to local data laws. For anyone handling sensitive business or personal information, that's a red flag worth taking seriously. If you want a deeper look at protecting your digital footprint, our Digital Privacy: The Complete Guide covers this in detail.

Perplexity AI markets itself as a "research co-pilot" and has gained traction specifically because it cites sources. But citing sources in answers doesn't mean it treats your queries as confidential. Its privacy policy still allows data collection for service improvement. The safest bet across all platforms? Assume everything you type could be stored somewhere. Act accordingly.

Are AI Tools a Cybersecurity Risk You're Ignoring?

Beyond the data training issue, there's a cybersecurity angle that's gotten a lot sharper in 2025. According to a March 2025 report from the National Institute of Standards and Technology (NIST), prompt injection attacks against large language models increased by roughly 400% compared to 2023 ^[2]. Bad actors are actively finding ways to trick AI tools into revealing user data, generating malicious code, or bypassing safety filters. This isn't theoretical anymore.

Here's a concrete example. In February 2025, security researchers at Stanford University demonstrated that Microsoft Copilot could be manipulated through carefully crafted emails to extract confidential data from a user's Outlook inbox. Microsoft patched the vulnerability within weeks. But the episode showed just how tightly these AI assistants are woven into sensitive systems. If an AI tool has access to your email, calendar, and files, a single exploit can cascade fast.

GitHub Copilot, the AI coding assistant used by millions of developers, has its own risk profile. Researchers have shown it can suggest code containing known security vulnerabilities. Not because it's malicious, but because it learned from public repositories that contain flawed code. If you're relying on generative AI for anything security-sensitive, you need a human review layer. Period. For more on this, check out our Cybersecurity in 2025: The Complete Guide.

The question "is best AI tools 2025 safe" doesn't have one answer because safety depends entirely on your use case. Using Claude to plan a dinner party? Very low risk. Using Copilot to write authentication code for a banking app? That's a completely different conversation.

The real question isn't whether AI tools work. They do. The real question is whether you've taken five minutes to configure your privacy settings and thought about what eight hours of extra screen time does to your body. Safety in 2025 is a whole-picture problem.

How Much Extra EMF Exposure Do AI Tools Create?

Now let's talk about the angle almost nobody covers. AI tools don't exist in a vacuum. They exist on your phone, your laptop, your tablet. And the more useful they become, the longer you stay on those devices. That's not speculation. According to the National Institutes of Health, average adult screen time has climbed steadily, exceeding 7 hours per day in recent reports ^[3]. AI adoption is speeding that trend up.

Every minute you spend chatting with an AI assistant, your device is emitting radiofrequency electromagnetic radiation. Your phone's Wi-Fi antenna, your laptop's Bluetooth, the cellular connection pinging the nearest tower. The World Health Organization's International Agency for Research on Cancer (IARC) classified radiofrequency electromagnetic fields as "possibly carcinogenic to humans" (Group 2B) back in 2011, and that classification hasn't been downgraded [4]. It hasn't been upgraded either, which some people find reassuring. I take it as a reason to be thoughtful.

Think about it this way. Before AI assistants, you might have Googled something for 30 seconds and moved on. Now you're having 15-minute back-and-forth conversations with ChatGPT, iterating on prompts, refining outputs. That's a fundamentally different exposure pattern. Your hands are on the laptop, your phone is inches from your body, often for hours at a stretch.

The FCC sets the specific absorption rate (SAR) limit at 1.6 W/kg averaged over 1 gram of tissue for mobile devices. But SAR testing assumes intermittent use, not the marathon sessions AI tools encourage. If you're curious about the broader health picture with wearable tech, our The Best Health Wearables: The Honest Guide goes deeper on this.

Can You Reduce EMF Exposure Without Ditching AI?

I'm not here to tell you to stop using AI. That ship has sailed. And honestly, these tools are genuinely useful. What I am saying is that the safety question extends beyond data policy PDFs. The physical proximity to wireless devices matters, especially at the volumes AI encourages.

There are straightforward steps you can take. Use a wired Ethernet connection instead of Wi-Fi when possible. Keep your phone in airplane mode when you don't need cellular. Put your laptop on a desk, not your lap. These aren't radical moves. They're basic EM radiation hygiene that most people skip because nobody brings it up.

For people who want an extra layer of protection, Faraday-shielded clothing has become surprisingly practical. Proteck'd makes Men's Faraday Tech Wear and a full Faraday Protection Collection designed for people who live in tech-heavy environments. The fabrics use silver-fiber weaving to attenuate electromagnetic radiation. It's not tinfoil-hat territory. It's applied materials science. You can learn more about how it works on their EMF Protection Benefits page.

The point isn't fear. The point is that when you're asking "is best AI tools 2025 safe," you should be thinking about the whole picture. Data, cybersecurity, and your body's exposure to the hardware running all that machine intelligence.

What Are the Best AI Assistants Actually Worth Using in 2025?

Let me give you my honest take on the tools themselves, because safety doesn't mean much if the tools aren't actually good. OpenAI's ChatGPT remains the default choice for most people, and for good reason. The GPT-4o model is fast, capable, and handles everything from writing to code to image generation. It's the Swiss army knife of the bunch. But it's also the most data-hungry, so keep that toggle checked.

Anthropic's Claude has become my go-to for anything requiring nuance or longer context windows. Claude 3.5 Sonnet handles 200,000-token contexts, which means you can feed it entire documents and get coherent analysis back. Its safety-first design philosophy also means it's less likely to generate harmful or misleading content. That matters a lot if you're using AI for professional work.

Google Gemini 3 impressed me specifically for image editing and multimodal tasks. If you're working with visual content, it's ahead of the pack right now. Perplexity AI is fantastic for research because it shows its sources inline. And GitHub Copilot remains the best coding assistant for developers, despite the security caveats I mentioned earlier.

For anyone comparing options, our The Best Wearable for Your Lifestyle: An Honest Comparison takes a similar honest-assessment approach to wearable tech. Sometimes the best tool isn't the most popular one. It's the one that fits how you actually work.

How Should You Set Up AI Tools to Maximize Safety?

If you're going to use these tools daily (and let's be real, most of us already are), there are specific settings worth configuring on day one. In ChatGPT, go to Settings, then Data Controls, and disable "Improve the model for everyone." This stops your conversations from feeding into training data. It takes ten seconds, and most people don't even know the option exists.

For Google Gemini, turn off Gemini Apps Activity in your Google Account settings. This prevents your AI interactions from being linked to your broader Google profile, which includes search history, location data, and ad preferences. That's a meaningful privacy win right there.

With Microsoft Copilot, especially in enterprise environments, make sure your IT admin has configured data loss prevention (DLP) policies. The Stanford research I mentioned earlier showed that Copilot's deep integration with Microsoft 365 can become a liability without proper guardrails. Don't rely on default settings for anything touching company data.

And on the physical side, if you're spending 3 or more hours a day working with AI tools, consider your setup. Wired peripherals, screen distance, and protective clothing all add up. Our Smart Wearables: The Complete Guide covers how modern tech wear can integrate protection into your daily routine. The question of whether AI tools in 2025 are safe enough really comes down to whether you're willing to take five minutes to configure them properly.

What Red Flags Should Make You Avoid an AI Tool Entirely?

Not all AI tools deserve your trust. Here are the patterns I've learned to watch for. First, if a tool doesn't have a publicly accessible privacy policy, walk away. Sounds obvious, but several trendy AI apps that went viral on TikTok in early 2025 had either no privacy policy or one written in vague, non-committal language. That's not an oversight. That's a choice.

Second, be skeptical of any AI tool that requires unnecessary permissions. An AI writing assistant doesn't need access to your contacts, microphone, or photo library. If it's asking for those, it's harvesting data beyond its stated purpose. The NIST AI Risk Management Framework, published in 2023 and updated in 2025, specifically flags excessive data collection as a high-risk indicator ^[2].

Third, watch for tools that won't let you delete your data. Under GDPR in Europe and various state laws in the US (California's CCPA being the most prominent), you have the right to request deletion. If a tool makes that process opaque or flat-out impossible, that tells you everything about their priorities.

And fourth, free tools with no clear business model should raise your antenna. If you're not paying for the product, your data probably is the product. That's been true since the early days of social media, and it's just as true in the age of machine intelligence. When in doubt, pay for the premium tier and explicitly opt out of data sharing.

About the Author

Proteck'd EMF Apparel

Health & EMF Specialists

The Proteck'd team covers EMF protection, silver-fiber apparel, and practical ways to reduce everyday radiation exposure. Every piece Proteck'd ships is designed, tested, and worn by the people who build it.