OpenAI Launches GPT-Image-2.5 with Two Variants: Flare for Speed, Sunburst for Precision
OpenAI introduced GPT-Image-2.5 on September 8, 2026, releasing it as two distinct API models: Flare and Sunburst. Flare is designed for low-latency, high-volume image generation, while Sunburst targets complex editing tasks requiring reference preservation and higher-fidelity output. Both models accept text and image inputs, support multiple quality levels ranging from low to max, and are accessible via the Images API for generation and editing. Developers with existing OpenAI-compatible integrations can migrate by updating the base URL, credentials, and model ID. Both models are currently marked as preliminary, with early Arena benchmarks showing Sunburst leading in generation and editing quality.
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