‘Open’ alternatives to ChatGPT are on the rise, but how open is AI really?

OpenAI's ChatGPT seems ubiquitous, but open source versions of instruction-tuned text generators are gaining the upper hand. In just six months, at least 15 serious alternatives have emerged, all of which have at least one important advantage over ChatGPT: they are a lot more transparent. Insight into training data and algorithms is key for responsible use of generative AI, a team of linguists and language technology researchers at Radboud University claim.