The AI That Wrote a Bestseller: How ChatGPT-5 and Google Gemini Are Changing Publishing

I have a confession: I've been using AI to help write this article. Not the whole thing—I'm still typing these words. But I used ChatGPT-5 to outline some sections and check facts. And that's exactly the problem. Or the opportunity. Depends on who you ask.

Last week, a novel called The Last Algorithm by a pseudonymous author named "Echo" debuted at number 9 on the New York Times fiction bestseller list. The catch: Echo is a collective of three human writers and two AI models—ChatGPT-5 (OpenAI) and Gemini 3.0 (Google). The book is a literary thriller about an AI that falls in love with its creator. Critics have praised it for its "haunting prose" and "emotionally resonant characters." No one knew it was partly AI-written until after the debut.

How They Did It

I spoke to one of the human writers, a 34-year-old named Alex Tran from Toronto. He used to work as a software engineer. He and two friends—a poet and a journalist—decided to experiment with AI after reading about similar projects. Here's their process: they'd feed ChatGPT-5 and Gemini 3.0 a chapter outline, character descriptions, and plot points. The AI would generate a first draft in about 10 minutes. Then the humans would edit, rewrite, and refine. They'd repeat the process for each chapter. The whole book took 6 months, compared to the 2-3 years a typical novel takes. "The AI doesn't have writer's block," Tran told me. "It's like having an infinite brainstorming partner."

The Controversy: Is It Plagiarism?

Not everyone is thrilled. The Authors Guild, a trade organization representing professional writers, issued a statement condemning the book as "cheating" and demanding that AI-written works be labeled as such. Some critics pointed out that the AI was trained on millions of copyrighted books without permission. OpenAI and Google have faced lawsuits from authors like John Grisham and George R.R. Martin over this. The legal situation is a mess. In the US, the Copyright Office has ruled that AI-generated works can't be copyrighted, but works with significant human input can. The Last Algorithm falls into a gray area.

The Quality: Is It Any Good?

I read the book. It's not a masterpiece, but it's solid. The prose is polished—maybe too polished. It lacks the idiosyncratic voice that makes great literature memorable. The characters feel a bit generic: the brooding AI, the lonely programmer, the love triangle. It reminded me of a well-executed genre novel, like something from Blake Crouch or Andy Weir. But it's not going to win a Pulitzer. The AI excels at structure and pacing but struggles with subtlety. There's a scene where the AI explains its emotions in a long monologue, and it feels like a lecture. A human writer would have shown, not told.

The Future of Publishing

This is just the beginning. In 2025, Amazon reported that over 200,000 ebooks on Kindle were written or co-written by AI. Most of them are self-published garbage—scams, low-effort romance novels, and SEO-optimized non-fiction. But The Last Algorithm shows that AI can produce work that passes for human on a commercial level. Traditional publishers are panicking. Some have banned AI submissions. Others, like HarperCollins, are experimenting with AI tools for editing and marketing. I think the industry will adapt, much like how music adapted to synthesizers and auto-tune.

What Does This Mean for Human Writers?

I'm a human writer. I worry about this. If AI can write a decent novel in 6 months, what's to stop publishers from replacing human authors with teams of editors who tweak AI output? The answer, I think, is that readers still crave authenticity. We want to know that a human struggled, felt, and lived to write a book. The bestseller list will eventually separate the AI-written chaff from the human-crafted wheat. But for now, it's a wild west. I don't blame Alex Tran for using AI—he's just exploring new tools. But I do think we need transparency. We need to know what we're reading.

I'm not against AI in writing. I've used it to overcome writer's block. But I'll never let it write my soul. That's mine.