Is OpenAI’s GPT-5.3 Codex Worth the Hype?

GPT-5.3-Codex represents a new generation of the Codex model built to handle real, end-to-end work. Instead of focusing only on writing code, it combines strong coding ability with planning, reasoning, and execution. The model runs faster than earlier versions and handles long, multi-step tasks involving tools and decisions more effectively. Rather than producing isolated answers, […]

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