ChatGPT Images 2.5 Complete Guide: Models, Parameters, and 8 Prompting Principles

ChatGPT Images 2.5 Complete Guide: Models, Parameters, and 8 Prompting Principles OverviewOpenAI released ChatGPT Images 2.5 (along with API models GPT Image 2.5 Flare and GPT Image 2.5 Sunburst). The update drastically cuts generation latency by up to 50%, improves localized photo editing, retains facial/object consistency across multi-turn edits, and enhances text rendering in graphics. 01 / MODEL COMPARISON & CAPABILITIES GPT Image 2.5 Flare: Speed-optimized default model. Best for fast execution and high-throughput standard generations. GPT Image 2.5 Sunburst: Detail-optimized model. Built for precise multi-step localized edits and complex workflows. Key Enhancements: Preserves character identity/clothing across turns; precise transparent background (PNG/WebP); clearer typographic rendering; 50% faster latency. 02 / 8 OFFICIAL PROMPTING PRINCIPLES Describe Outcomes: Specify subject, composition, aspect ratio, and layout (Scene → Subject → Details → Constraints). Flexible Formats: Use standard natural prose or JSON-like blocks—no obscure tags required. Explicit Visuals: Spell out lighting, textures, and medium (e.g., "35mm film photography"). Action & Framing: Define ca