OpenAI AI Updates: May 13, 2026

1. NVIDIA standardizes on Codex with GPT-5.5 across more than 10,000 employees

OpenAI. OpenAI published a case study describing how NVIDIA engineering and research teams use Codex backed by GPT-5.5 to ship production systems and turn research ideas into runnable experiments. Over 10,000 NVIDIANs across engineering, product, legal, finance, sales, and operations are now using Codex day to day, with the model itself running on NVIDIA GB200 and GB300 rack-scale infrastructure. Source

2. AutoScout24 reports faster development cycles after rolling out Codex and ChatGPT

OpenAI. A new customer story details how AutoScout24 Group adopted Codex and ChatGPT to accelerate engineering throughput and tighten code quality across its automotive marketplace platform. The piece is aimed at engineering leaders weighing how to deploy agentic coding tools beyond pilots into shared, repeatable workflows. Source

3. OpenAI Academy publishes a Codex playbook for finance teams

OpenAI. OpenAI Academy released a guide showing how finance teams can use Codex to produce monthly business reviews, reporting packs, variance bridges, model checks, and planning scenarios. The material targets FP&A and controllership functions that have historically relied on spreadsheet macros, repositioning Codex as a tool for analyst workflows rather than only software engineering. Source

4. OpenAI shares lessons from Parameter Golf on AI-assisted ML research

OpenAI. A new post recaps Parameter Golf, an OpenAI-run event that drew more than 1,000 participants and 2,000 submissions exploring AI-assisted machine learning research and novel model design. OpenAI uses the results to discuss where current models help researchers most, where they fall short, and what the contest reveals about agentic research tooling going forward. Source

5. Sam Altman’s personal investments face political scrutiny ahead of OpenAI’s planned IPO

OpenAI. Sam Altman’s portfolio of personal investments is drawing political scrutiny as OpenAI prepares its public offering, with critics flagging potential conflicts between his AI advocacy and stakes in companies that benefit from OpenAI’s roadmap. The story matters because IPO disclosures will force a more detailed accounting of how OpenAI’s leadership is positioned relative to its commercial customers. Source