YZ Uzman Journal

Blog.

Field notes, guides, and clear takes on AI and digital product development.

01Is DeepSeek Safe for Business? Where Your Company Data Goes
AI ToolsSeptember 2, 202610 min

Is DeepSeek Safe for Business? Where Your Company Data Goes

Is DeepSeek safe? Every manager who asks us this gets a question back first: which DeepSeek? The app on your phone, the model running on your company's own server, or the service you buy through Microsoft's cloud? All three carry the same name, and what happens to your data is completely differen...

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02What Is Perplexity AI? Can It Replace Google?
AI ToolsSeptember 2, 202610 min

What Is Perplexity AI? Can It Replace Google?

37 percent. When Columbia's Tow Center tested eight AI search tools with 200 questions in March 2025, that was Perplexity's rate of incorrect answers. It sounds bad, until you look at the rest of the table: the eight tools averaged over 60 percent wrong, and the worst reached 94 percent. Perplexi...

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03Self-Hosting an LLM: When Does It Actually Pay Off?
Deep DivesJuly 25, 202610 min

Self-Hosting an LLM: When Does It Actually Pay Off?

Open-weight models have almost caught up with the closed ones, so running your own must be the obvious move by now. It sounds so reasonable that few people check it. What happens when you actually run the numbers?They come out badly for most companies. Against frontier APIs, self-hosting starts w...

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04The "Free AI" Myth: How Much Is Really Free?
AI ToolsJuly 22, 20268 min

The "Free AI" Myth: How Much Is Really Free?

By most available estimates, only a small fraction of AI users worldwide ever pay for it; the vast majority run their entire workflow on free tiers. That number alone is striking, but the real question is different: how free is that "free" tier actually, where does it quietly cap you, and at what...

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05AI Tools for Business: Choosing the Right One in 2026
AI ToolsJuly 22, 202613 min

AI Tools for Business: Choosing the Right One in 2026

Three different people probably gave you three different recommendations last month: one swears by ChatGPT, one can't work without Gemini, and a third insists Claude writes more naturally. You spent an evening trying all three, asked a few questions, got reasonable answers from each, and gave up ...

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