model parameter1 GPT-5.3-Codex: The Unofficial Deep Dive for Developers (Feb 2026) Key Takeaways from GPT-5.3-Codex Update:Multi-File Context is a Game Changer (and Cheaper): GPT-5.3-Codex can now reference up to 15 project files, significantly reducing prompt context and improving code coherence. Context tokens are billed at a 50% lower rate, incentivizing its use.Performance Boost, But Nuanced: Expect a 25% latency reduction for simple prompts and up to 21% better token effi.. 2026. 2. 11. Prev 1 Next 반응형