Altman presents GPT-5.3-Codex: OpenAI raises the standards of assisted programming

TokenomicsTinfoilHat · 2026-02-22T11:15:15+00:00

Sam Altman has introduced GPT-5.3-Codex, a major advancement in coding models. It features enhanced performance with faster processing and reduced token usage, alongside improved controllability and resource efficiency, marking a significant step forward in AI-assisted coding.

TokenomicsTinfoilHat

2026-02-22 11:15:15

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Sam Altman, CEO of OpenAI, recently introduced GPT-5.3-Codex, the new generation of the coding-specialized model. This iteration marks a significant step toward smarter and more efficient programming solutions. Altman highlighted how the new model incorporates substantial architectural improvements that transform the approach to AI-assisted coding.

Remarkably Enhanced Coding Performance

GPT-5.3-Codex introduces technical innovations that amplify its operational effectiveness. According to Jin10, the new model requires only half the tokens compared to GPT-5.2-Codex, its immediate predecessor. At the same time, the processing speed per token increases by over 25%, giving the system unprecedented responsiveness. These advancements are not merely numerical but translate into faster and smoother execution of programming tasks.

Improved Controllability and Resource Management

Altman emphasized that GPT-5.3-Codex has been designed with enhanced controllability, allowing real-time updates during process execution. The architecture also enables highly efficient use of computational resources, reducing energy consumption without compromising performance. This sustainable approach significantly differentiates the new model in the AI-driven coding solutions landscape, positioning OpenAI at the forefront of technological innovation in the sector.

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