OpenAI
Co-authored research on scaling code verification and training a dedicated, agentic code reviewer for gpt-5-codex.
How media typically covers Sam Arnesen
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Research or work cited
OpenAI's Codex team announced upgrades to their coding agent including a new gpt-5-codex model optimized for end-to-end agentic coding tasks across terminal, IDE, web, and ChatGPT iOS app.
“Referenced in "AMA with the OpenAI Codex Team" in OpenAI”
Referenced in coverage
OpenAI developed an agentic code reviewer with repo-wide tools and execution access that improves both recall and precision in detecting bugs and vulnerabilities in AI-generated code, prioritizing signal quality over exhaustive detection.
“Co-authored research on scaling code verification and training a dedicated, agentic code reviewer for gpt-5-codex.”