developers2 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. GPT-5.3-Codex Has Landed: The Definitive Developer's Guide for 2026 Key Takeaways from GPT-5.3-Codex Update:Beyond Generation: GPT-5.3-Codex introduces advanced features like stateful debugging, architectural pre-computation, and automated test vector generation.Performance Boosts: Benchmarks indicate significant speed and accuracy improvements for complex tasks such as legacy code refactoring and full-stack component generation.Early Hurdles: Developers report .. 2026. 2. 6. Prev 1 Next 반응형