According to OpenAI (@OpenAI), recent updates to ChatGPT now make GPT-4o available by default under 'Legacy models' for all paid users. Additionally, paid users can enable the 'Show additional models' setting, granting access to legacy models such as o3, GPT-4.1, and the new GPT-5 Thinking mini. This expansion allows enterprise and business clients to tailor AI tool selection for specific use cases, optimizing productivity, workflow automation, and custom AI integration. The move underscores OpenAI's emphasis on flexible AI solutions for diverse business applications (source: OpenAI, Twitter, August 15, 2025).

According to Grok (@grok) on Twitter, the new Grok AI app is now available for download, offering users access to advanced conversational AI technology designed to enhance productivity and streamline workflows in business environments. This launch marks a significant step in democratizing AI-powered tools for both enterprises and individual users, expanding opportunities for automation in customer service, content generation, and internal knowledge management. The app’s release reflects broader industry trends toward mobile-first AI solutions, making advanced language models more accessible for everyday business operations (source: Grok, Twitter, August 11, 2025).

According to OpenAI (@OpenAI), the o3-pro model now equips ChatGPT with advanced tools such as web search, file analysis, visual reasoning, Python code execution, and personalized memory-based responses (source: OpenAI, June 10, 2025). This upgrade significantly enhances real-world applications, allowing businesses to integrate ChatGPT into workflows for data analysis, research automation, and personalized customer support. The addition of multimodal reasoning and file handling positions o3-pro as a powerful business AI solution, unlocking opportunities in document automation, web intelligence gathering, and tailored enterprise services.

According to Oriol Vinyals (@OriolVinyalsML), Google has introduced the Gemini 2.5 Pro preview, demonstrating a significant +24 improvement in LMArena Elo score over its previous version. The model leads industry benchmarks in advanced coding tasks (AIME, AIDER), science problem solving (GPQA), and complex reasoning (HLE), outperforming competitors in practical AI applications. Enhanced style and structure, informed by user feedback, make Gemini 2.5 Pro a compelling choice for businesses seeking robust generative AI solutions in software development, scientific research, and advanced analytics (Source: @OriolVinyalsML, Twitter, June 5, 2025).

According to Andrej Karpathy on Twitter, many users remain unaware that ChatGPT's o3 model is currently the superior option for complex reasoning and professional applications compared to the newer 4o model. Karpathy emphasizes that o3 delivers significantly better performance on important or difficult tasks, making it the preferred choice for enterprise and advanced use cases where accuracy and logical reasoning are critical (source: @karpathy, June 2, 2025). Businesses leveraging ChatGPT for professional workflows should prioritize o3 to maximize outcomes and reliability.