According to Sam Altman (@sama), GPT-5.2 has been released and is now available both in ChatGPT and via API. This version is highlighted as the smartest generally-available AI model worldwide, with significant improvements in handling real-world knowledge work tasks. For businesses and developers, GPT-5.2 offers advanced capabilities for automating complex workflows, enhancing productivity, and supporting higher-quality decision-making. The immediate availability through ChatGPT and API opens new opportunities for enterprises to integrate cutting-edge AI into customer service, knowledge management, and process automation (Source: Sam Altman, Twitter, Dec 11, 2025).