OpenAI's $122B Funding, ChatGPT Pro $100 Plan, Security Updates & IPO Plans - April 2026

Key points

• •In April 2026, OpenAI achieved a landmark funding round by raising $122 billion, which elevated its valuation to $852 billion, marking one of the largest investments in AI history. This capital injection positions OpenAI strongly for continued innovations, including its upcoming IPO planned for later in 2026, accessible through Ark ETFs, displaying its readiness for public market participation.[Google News Search - OpenAI][Google News Search - OpenAI]
• •OpenAI has expanded its product offerings with a new $100 monthly ChatGPT Pro plan announced in April 2026, which provides users with five times increased access to Codex, aiming to compete directly with Anthropic’s Claude Max. This enhancement is part of a broader update to ChatGPT subscription tiers, including revisions to the Plus plan, reflecting OpenAI’s focus on the AI coding and developer market segment.[Google News Search - OpenAI][Google News Search - OpenAI]
• •Security incidents in April 2026 have prompted OpenAI to act swiftly; a supply-chain attack led to the rotation of macOS app certificates while ensuring no user data was compromised. Additionally, a separate security advisory urged all Mac users to update their OpenAI apps to mitigate vulnerabilities and maintain platform safety.[Google News Search - OpenAI][Google News Search - OpenAI]
• •OpenAI CEO Sam Altman was targeted in a serious security threat when an incendiary device was thrown at his residence in April 2026, leading to the arrest of Daniel Alejandro Moreno-Gama. This event highlighted the safety risks faced by leaders in the high-profile AI industry and sparked wider concerns regarding security measures.[Google News Search - OpenAI]
• •OpenAI is advancing AI technology with the release of GPT-5.3 in April 2026, designed to deliver faster AI responses for enterprises, enhancing real-time decision-making capabilities. This progress signifies how OpenAI continues to develop sophisticated AI models balancing speed with intelligence for business applications.[Google News Search - OpenAI]
• •In early 2026, OpenAI invested substantial resources into creating a fully automated AI researcher, aiming to streamline and accelerate scientific research through artificial intelligence. This project reflects OpenAI’s commitment to pioneering cutting-edge AI applications beyond traditional software and into AI-assisted research.[Google News Search - OpenAI]
• •OpenAI’s infrastructure expansion plans faced setbacks when the company paused its UK data center project in April 2026 due to escalating energy costs and regulatory challenges. This decision underscores the complex operational challenges faced by large AI companies in maintaining sustainable and compliant digital infrastructure globally.[Google News Search - OpenAI]

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