DeepSeek V4.1 Flash vs GPT-Image-2.5 (Sunburst)

A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against GPT-Image-2.5 (Sunburst) (OpenAI).

DeepSeek V4.1 Flash

Developed by DeepSeek-AI · 240B parameters

Real-time production inference, high-concurrency coding agents, sub-220ms time-to-first-token, and cost-optimized long-context parsing.

GPT-Image-2.5 (Sunburst)

Developed by OpenAI · Proprietary Multimodal DiT parameters

High-fidelity typographic rendering, raytracing reflection accuracy, sketch-to-image conditioning, and localized comment inpainting.