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This feature, which was spotted by a software engineer, is currently in the experimental phase in the United States and India.
Despite the convenience this feature offers, users who register with only their phone number will not be able to upgrade to paid subscriptions such as "Plus" or "Pro" until their accounts are verified with an email address. Additionally, multi-factor authentication will not be available for accounts created with only a phone number, according to a report from TechCrunch. This means that the phone number used for registration will be reserved, preventing it from being used for creating new accounts in the future.
This move is part of OpenAI's efforts to expand its user base and offer its products more flexibly, particularly the AI-powered ChatGPT.
In related news, OpenAI introduced a new initiative in December, allowing users in the United States to chat with ChatGPT for free for 15 minutes each month via phone. The company also launched a basic version of ChatGPT on WhatsApp, with limitations on daily interactions.
OpenAI continues to experience significant growth, with more than 300 million people using ChatGPT weekly, leading to a substantial increase in revenue. Financial projections for OpenAI in 2024 are estimated at approximately $3.7 billion, according to CNBC.