AnalysisDevelopersSeptember 9, 2026

Podcast: OpenAI's Tibo Sottiaux on how Codex was built

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Pragmatic Engineer episode with Tibo Sottiaux, who created Codex and now heads OpenAI's Core Products & Platform org. Covers why the Codex CLI is written in Rust and released open source, how the harness and models evolved, and why Codex supports models from multiple providers.

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