Shadowing Practice: Introducing GPT-Image-2.5 in the API - Learn English Speaking with Video

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Today, we're launching two new image generation models, GPT Image 2.5 Sunburst and Flare.
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Sunburst is our most capable model for image generation.
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It brings significant advances in visual fidelity, including sharper detail rendering, more natural lighting, and richer textures.
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With Sunburst, you can bring high-quality visual ideas to life, with stronger style and detail.
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You can also refine an idea over multiple edits, like exploring different setups for your dream living room, with better preservation of the details you want to keep.
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This model follows detailed instructions more closely, down to which hand someone writes with.
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The second model, Flare, is our fastest image generation model to date.
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It's over 50% faster than GPT-Image 2 while delivering equal quality, so you can explore more ideas faster.
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Both models handle transparent backgrounds, so you can create intricate assets for everything, from infographics to games.
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So, use Sunburst for your most advanced image generation workflows and Flare for quickly generating quality images.
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They're both available now in the API, ChatGPT, and Codex.
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I can't wait to see what you'll build.

About This Lesson

You're practicing English with "Introducing GPT-Image-2.5 in the API" using the Shadowing technique — a method originally developed for professional interpreter training.

Focus on sounding like the speaker — not just repeating words. With 15–30 minutes of daily practice, you'll build real-world speaking confidence.

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.