How do I stop ChatGPT from sounding like a robot when I ask it to write a blog post?

You stop ChatGPT from sounding robotic by giving it a specific voice to mimic and showing it an example of your own writing, rather than just asking it to 'sound human'. The default tone is a safe, balanced, and ultimately boring middle ground. It's designed to not offend anyone. So it ends up sounding like nobody. To break that pattern, you need to give the AI a clear personality target. Instead of a vague command, try a prompt like: 'Write in a casual, friendly style. Use short sentences and occasional sentence fragments. Imagine you're explaining this to a smart friend over coffee, not writing a textbook.' I've found that the 'over coffee' framing works surprisingly well. But the real secret weapon is a voice sample. Paste 2-3 paragraphs of your own writing into the prompt and tell it to analyze and match your tone, sentence length, and word choice. For a deeper dive, see our guide on fixing AI writing that sounds too formal. The AI isn't creative enough to invent a unique human voice from scratch, but it's excellent at pattern-matching. Give it a pattern to copy and the difference is night and day. Also, don't be afraid to use negative instructions. 'Do not use words like moreover, furthermore, or delve' is a perfectly valid and highly effective command. **Related**: Why does my AI content sound so generic? | What are the best prompts to make AI writing more engaging?