GPT-4 vs. GPT-3.5: how much difference is there? Posted on April 28, 2023 By Charlielikes GPT-4 and GPT-3.5 are two of the most exciting language models for chatbots available today. But what sets them apart, and is ChatGPT Plus worth paying for? Tech Tags:“there, 'is, difference?, gpt-3.5, gpt-4, how, much, tech, technology, vs.