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GPT Image 2 vs 2.5 Flare vs 2.5 Sunburst: speed, quality and editing tested

The same prompts run through GPT Image 2, 2.5 Flare and 2.5 Sunburst found Flare fastest, Sunburst best on quality and multi-round edits, and all three priced the same.

BLOCKLORE
@BLOCKLORDSArchived 2026.09.19Originally posted 2026.09.18
GPT Image 2 vs 2.5 Flare vs 2.5 Sunburst: speed, quality and editing tested
BLOCKLORE @BLOCKLORDSOriginally posted 2026.09.18
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GPT Image 2 vs GPT Image 2.5 Flare vs GPT Image 2.5 Sunburst: We ran the same prompts through all three models to see what the 2.5 upgrade actually changes. Here are the results. Speed: Flare is the fastest by a wide margin. It finished about 2.3x faster than GPT Image 2 and about 1.8x faster than Sunburst. Sunburst was still around 1.3x faster than GPT Image 2. Image quality: Sunburst came out on top, with more natural lighting and slightly fewer AI hallucinations. Flare's quality is close to GPT Image 2, with a big speed advantage. Editing: Editing is where 2.5 is supposed to improve the most, so we gave each model the same image and asked for several edits in a row. All three models handled the first edits well and kept the rest of the image consistent. The differences showed up in the final edit: • GPT Image 2 had a clear placement error. • Flare had a small blending issue. • Sunburst got everything right. Pricing: Both 2.5 models cost the same per token as GPT Image 2. Which one to use: • Flare for fast results and lots of variations. • Sunburst for the best lighting and for images that need several rounds of edits.

x.com/blocklords/status/2100812069385932848Archived 2026.09.19 10:07