Model comparison
Openjourney v4 vs GPT-5
Capability radar, value bars, and side-by-side posture.
Openjourney v4
Not scored
value score
GPT-5
94
value score
Openjourney v4 ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | Openjourney v4 | GPT-5 |
|---|---|---|
| Developer | PromptHero | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | Openjourney v4 is an open text-to-image diffusion model by PromptHero, fine-tuned from Stable Diffusion v1.5 on over 124,000 Midjourney v4 images to reproduce a Midjourney-like aesthetic. Unlike its predecessor v3, it requires no special prompt prefix to trigger the style. | OpenAI frontier multimodal model. |