<p>OpenAI introduces GPT-5 specifically designed for developer workflows, featuring enhanced API capabilities, improved code generation, and flexible integration options across the three model variants.</p> <p>The developer-focused announcement highlights GPT-5's superior performance in coding tasks, with improved accuracy in code generation, debugging, and technical documentation. The 272,000 token context window enables processing of entire codebases, making it particularly valuable for complex refactoring and architectural analysis.</p> <p>Developers can choose from three model variants based on their specific needs: GPT-5 for complex reasoning tasks, GPT-5 Mini for balanced performance and cost, and GPT-5 Nano for high-volume, simpler operations. The 90% token caching discount significantly reduces costs for repeated API calls with similar context.</p> <p>Key developer features include improved function calling, better JSON mode reliability, and enhanced structured output generation. The four reasoning levels allow developers to optimize for speed or accuracy depending on the specific use case.</p> <p>"GPT-5's expanded context window and improved reasoning make it ideal for complex development tasks," OpenAI states. "Developers can now process entire repositories, generate comprehensive documentation, and perform sophisticated code analysis within a single API call."</p> <p>The model maintains backward compatibility with existing GPT-4 integrations while offering enhanced capabilities through new API parameters and options.</p>