Simplex adopts ChatGPT Enterprise and Codex to boost software development productivity
Updated
Updated · OpenAI · May 7
Simplex adopts ChatGPT Enterprise and Codex to boost software development productivity
3 articles · Updated · OpenAI · May 7
The company reported 40% fewer design hours, 70% fewer development hours per screen and 17% less internal integration testing time.
Simplex uses Codex across design, code generation, testing, review and defect fixes, while keeping humans responsible for final decisions and quality accountability.
After setting up an AI centre of excellence in 2023, it is expanding generative AI across projects and exploring AI-first delivery models beyond traditional linear development.
With AI writing 70% of code, what new human skills are essential to prevent catastrophic, high-speed failures?
As AI agents slash development time, are soaring subscription costs creating a new, unsustainable economic model for software companies?
Companies race to adopt AI coders, but are they ready for the EU's strict AI regulations coming this August?
Transforming Software Development with AI: Simplex’s Strategic Adoption of Codex and ChatGPT Enterprise in 2026
Overview
By mid-2026, rising investor demands created intense market pressure that made adopting advanced AI tools a strategic necessity for tech firms like Simplex. Responding swiftly, Simplex implemented ChatGPT Enterprise and OpenAI Codex, focusing on autonomous delegation to accelerate software delivery. This led to faster feature releases and freed developers to tackle complex problems. Deep integration into CI/CD pipelines and workflows enabled AI agents to automate tasks like triaging bugs, cutting resolution times by 30%. Alongside, robust security measures and governance ensured safe AI use. Building on these successes, Simplex packaged its AI solutions for scaling, partnered with consulting firms, and planned to expand AI-driven automation into customer support, driving broad enterprise transformation.