New Delhi, Aug. 15 -- OpenAI CEO Sam Altman has acknowledged the mistakes made by the AI startup during its latest GPT-5 model rollout. Notably, soon after the rollout, OpenAI had discontinued all its previous models, leading to a barrage of criticism from existing users and threats of subscription cancellations.

The ChatGPT maker soon realized its mistake and began providing GPT-4o - the model that previously powered the chatbot - to ChatGPT Plus users, while also offering additional rate limits for GPT-5 Standard and Thinking models.

OpenAI had claimed that its new model was leaps and bounds ahead of previous offerings in areas like coding, reasoning, accuracy, health, and multimodal abilities. However, users complained that the new m...