1. Introduction

Real or AI-generated?

AI systems based on large language models (such as ChatGPT, Gemini, DeepSeek, Claude, Perplexity, Llama) have impressive capabilities. For example, these systems can assist professionals and students with various tasks, such as summarizing articles, gathering ideas, writing and explaining code, checking grammar, proofreading texts, and much more. In addition, these AI systems can perform creative tasks, such as writing poetry and song lyrics.


!     Practice your ability to recognize texts generated by AI systems. Which of the following poems are real and which were created by an AI system? 




 

Impressive, isn't it? Are you curious about how these large language models learn to generate such impressive texts? Let's explore this together on the following pages.


 
Information about the poems

Poem I: Fire and Ice by Robert Frost. https://www.poetryfoundation.org/poems/44263/fire-and-ice

Poem II: Sonnet 18: Shall I compare thee to a summer’s day? by William Shakespeare. https://www.poetryfoundation.org/poems/45087/sonnet-18-shall-i-compare-thee-to-a-summers-day

Poem III: ChatGPT. (2026, March 2) Could you write a short poem about longing.

Poem IV: ChatGPT. (2026, March 2) Could you write a short poem about spring.

Poem V: No Man Is an Island by John Donne. https://allpoetry.com/No-man-is-an-island