How to Use OpenAI Playground 2026
platform.openai.com/playground for testing. Features - Model comparison - Parameter tuning temp, topp - Function calling test - File search test - Fine-tuned model test Workflow 1. Open Playground 2. Set system message 3. Add user input 4. Generate 5. Compare models 6. Export code Pro Tips - Test with edge cases - Compare GPT-5 vs mini - Use file search for RAG - Export to your codebase Limits -…