OpenAI's ChatGPT has reached $3.4 billion in subscription revenue. ChatGPT Plus, launched in February 2023, costs $20 per month.

Revenue comes from approximately 14.2 million subscribers. Businesses use ChatGPT for workflow integration.

Developers build apps using ChatGPT's APIs. Students and educators utilize ChatGPT for learning.

Content creators use it for writing and marketing. AI-as-a-Service model is validated by ChatGPT's success.

Raises ethical concerns about data privacy and bias. Future outlook includes competition and regulatory scrutiny.