OpenAI Unleashes GPT-5.3-Codex: A Supercharged AI Coding Powerhouse!
Analysis
OpenAI has just launched GPT-5.3-Codex, a cutting-edge coding tool that goes far beyond simply writing and reviewing code. This new model impressively integrates the capabilities of its predecessors while significantly boosting speed, promising a transformative impact on the world of software development.
Key Takeaways
- •GPT-5.3-Codex combines the performance of its predecessors with enhanced reasoning and professional knowledge.
- •The new model runs 25% faster than previous versions.
- •It demonstrates superior performance on key industry benchmarks.
Reference / Citation
View Original"OpenAI says GPT-5.3-Codex now has the best score of any model on SWE-Bench Pro, which evaluates real-world software engineering across four programming languages."
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Fast CompanyFeb 6, 2026 19:38
* Cited for critical analysis under Article 32.