GPT Image 1.5 (Medium)
GPT Image 1.5 (Medium) vs Midjourney v2
Compare GPT Image 1.5 (Medium) by OpenAI against Midjourney v2 by Midjourney, tested across 3 shared challenges. Updated April 2026.
Which is better, GPT Image 1.5 (Medium) or Midjourney v2?
GPT Image 1.5 (Medium) and Midjourney v2 are both competitive models. Compare their real outputs side by side below.
Key Differences Between GPT Image 1.5 (Medium) and Midjourney v2
GPT Image 1.5 (Medium) is made by openai while Midjourney v2 is from midjourney.
Our Verdict
GPT Image 1.5 (Medium)
Midjourney v2Runner-up
No community votes yet. On paper, GPT Image 1.5 (Medium) has the edge — bigger model tier, newer, major provider backing.
Slight edge
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
Model Similarity Index
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
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95.7%
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95.6%
GPT-5.4 / Mini
93.3%
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ
