ChatGPT is OpenAI's flagship AI conversation product launched in November 2022, powered by GPT-4o/GPT-5 multi-modal models, with hundreds of millions of weekly active users and a Plus plan at about $20/month.
ChatGPT is OpenAI's flagship AI conversation product launched in November 2022, powered by GPT-4o/GPT-5 multi-modal models, with hundreds of millions of weekly active users and a Plus plan at about $20/month.
Perplexity AI is an AI search engine founded in San Francisco in 2022 that combines large language models with real-time web search and attaches traceable citations to every answer. Pro costs about $20/month, the company is valued above 3 billion USD, and it is a benchmark AI search experience.