openai

OpenAI DevDay 2026 applications are now open for the event in San Francisco on September 29, with additional DevDay Exchanges in other cities later in the year.

Analyzes hiring data across major AI labs to infer strategic directions, noting xAI's focus on scientific tutors, Nvidia's data center push, and OpenAI's engineering growth.

OpenAI's GPT-5 Pro helped immunologist Derya Unutmaz solve a three-year-old mystery about how glucose affects T cell specialization by suggesting that deoxyglucose interferes with IL-2 protein construction, leading to increased inflammatory Th17 cells.

The article analyzes the unsustainable economics of AI platforms, revealing massive subsidies where companies like OpenAI and Anthropic lose billions by charging far below cost, leading to an affordability crisis.

Multiple AI model releases are delayed: GPT-5.6 now expected mid-July, DeepMind's 3.5 Pro postponed, while OpenAI's Bidi voice model and Claude Sonnet 5 for enterprises see progress.

OpenAI helped found the Appia Foundation, hosted by the Linux Foundation, to develop open, modular standards for evaluating advanced AI systems, aiming to create a shared technical language for trust and safety across the AI value chain.

Explores whether OpenAI's Whisper remains the top choice for real-time speech-to-text applications, considering alternatives and performance trade-offs.

Lenny Bogdonoff, an early OpenAI employee, rebuilt the Jupyter code execution environment before GPT-4 training and ChatGPT launch. This work became the prototype for the later 'AI computer' concept, but it wasn't recognized at the time.

The 'Codex Orange Book' is a free and open-source 206-page PDF guide that systematically introduces the installation, configuration, core features, and practical cases of OpenAI Codex, aimed at Chinese beginner developers.

OpenAI launches Daybreak expansion plan, aiming to automate vulnerability fixes with AI, addressing the current bottleneck in security where vulnerabilities are found but no one fixes them.

OpenAI announced a new initiative called 'Patch the Planet' in partnership with Trail of Bits to help open-source maintainers find and fix security bugs using AI tools like Codex Security.

OpenAI launches new security tools including Codex Security plugin and an updated GPT-5.5-Cyber model, alongside the Daybreak initiative and Patch the Planet open-source project, shifting from vulnerability discovery to automated patch generation.

This tweet recommends Stanford's CS336 course and a series of learning resources as a preparation path for joining OpenAI.

OpenAI releases the full version of GPT-5.5-Cyber, a cybersecurity-focused AI model with state-of-the-art performance on CyberGym, and announces efforts to improve security through Patch The Planet and Codex Security.

According to leaked information, OpenAI's GPT‑5.6 is nearly complete, expected to have a 1.5 million context window, priced at only one-third of Fable 5, with significantly improved front-end generation quality. Release may be delayed until after the 28th.

Alisa Liu is joining OpenAI and has publicly shared her interview preparation notes and study resources for free.

A bug in OpenAI's Codex could potentially damage SSDs within a year, raising concerns about hardware safety.

OpenAI expands its Daybreak suite with a Codex Security plugin, the full GPT-5.5-Cyber model for defenders, a Cyber Partner Program, and the Patch the Planet initiative to accelerate vulnerability discovery and patching at machine speed.

OpenAI launches Patch the Planet, a full-scale effort with Trail of Bits and HackerOne to help open-source projects patch vulnerabilities using AI tools, alongside other cybersecurity announcements including an improved GPT-5.5-Cyber model and expanded government access.

A top AI researcher has left Google to join OpenAI, highlighting a significant talent shift between major AI labs.