Which startups are likely using GPT in their product?

Tellius is a startup that provides an AI-driven decision intelligence platform, which features automated machine learning, natural language search, and augmented analytics, indicating the use of advanced AI technologies that are likely to include GPT or similar generative AI models.

Copysmith offers AI-powered solutions for content generation that utilize advanced natural language processing algorithms, which indicates the use of GPT or similar technology in their product. Additionally, being a provider of innovative content generation tools likely positions Copysmith as a startup.

Automat is a startup that participated in Y Combinator's W23 batch and offers AI-enabled RPA using ChatGPT and computer vision, indicating it integrates or utilizes Generative Pre-trained Transformer (GPT) technology in its product.