As an artificial intelligence language model, ChatGPT is a software product developed by OpenAI, a private AI research laboratory. While OpenAI provides access to some of its language models, including GPT-3, through its API platform, it is not a free service.
OpenAI’s API service operates on a paid subscription model, where users can purchase a certain number of API calls per month, based on their needs. The cost of the subscription varies depending on the plan selected and the volume of API calls made.
It’s worth noting that there are other free or open-source language models available, such as Hugging Face’s Transformers library, which includes several pre-trained language models that can be used for various NLP tasks. These models can be used for free, although some tasks may require additional computing resources, which could incur costs.