
- GPT-5-Codex promises higher performance and success rates
- It’s included for Plus, Pro, Business, Edu and Enterprise users
- The model can use 93.7% fewer tokens on lightweight tasks
OpenAI has shared more details about GPT-5-Codex, a purpose-built version of GPT-5 specifically optimized for agentic coding and real-world software engineering, and we’re in for a treat when it comes to reliability and performance.