GPT-Image 1.5 vs Seedream 4.5
Authentic user-generated content style — see how these models compare with real AI-generated outputs.
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Creating authentic UGC (user-generated content) visuals is less about “perfect” studio polish and more about believable moments: natural lighting, candid framing, everyday environments, and product-in-hand shots that feel like they came from a real creator’s phone.
Below is a practical comparison of GPT-Image 1.5 and Seedream 4.5 inside Influencer Studio, focusing on how each model performs for UGC Creator needs—prompt adherence, realism, iteration speed, editing workflows, and how far your credits go.
UGC Creator — Side-by-Side Results
Prompt
"A mid-20s woman with shoulder-length wavy brown hair in a loose hoodie and biker shorts holds her phone at arm’s length, looking slightly past the camera while taking a sip from an iced coffee. She’s seated at a small window table in a busy neighborhood café with messy backpack straps on the chair and a half-open laptop in frame, captured in soft natural daylight with casual phone-camera grain. The vibe is “quick check-in before work,” candid and unfiltered, like an Instagram story selfie."
Feature Comparison
| Feature | GPT-Image 1.5 | Seedream 4.5 |
|---|---|---|
| Provider | OpenAI | ByteDance |
| Subcategories | text-to-image | text-to-image, image-to-image |
| 1080p / 2k Mode | Yes | Yes |
| 4k Mode | No | No |
| NSFW Rating | Strict | Low |
| Aspect Ratio | 1:1, 16:9, 9:16, 3:4, 4:3 | 1:1, 16:9, 9:16, 3:4, 4:3 |
| Starting Price | 8 credits | 16 credits |
GPT-Image 1.5 Strengths
- Strong prompt adherence for specific UGC scenarios (e.g., “handheld selfie angle,” “messy bathroom counter,” “late-afternoon window light”)
- High-fidelity detail that helps products look crisp while still fitting into casual, lived-in scenes
- Versatile scene building for lifestyle UGC: kitchens, gyms, cars, bedrooms, cafés, and travel contexts
- Flexible credit tiers (8/16/32) that can make rapid UGC concept exploration more cost-efficient
- Reliable for generating multiple distinct variations from text prompts without needing an input image
Seedream 4.5 Strengths
- Image-to-image editing for UGC workflows (iterate on an existing creator-style frame instead of restarting from scratch)
- High-resolution output suited for cropping into multiple UGC placements (feed, story, thumbnails) while retaining clarity
- Versatile style control to match different creator aesthetics (minimal, cozy, bold, gritty, “phone camera” vibes)
- Strong for controlled refinements like adjusting background clutter, changing product color, or improving composition while keeping the core shot
- Straightforward per-image pricing (16 credits) for predictable budgeting on final selects
Verdict
Choose GPT-Image 1.5 when you’re generating UGC concepts from scratch and need tight prompt adherence—especially for quickly testing many “real-life” scenarios, angles, and environments while managing cost via lower credit tiers.
Choose Seedream 4.5 when your UGC pipeline depends on editing and iterative refinement. If you already have a near-right frame (or a base image) and need to keep the authentic creator feel while making targeted changes, its image-to-image workflow is the more efficient path—even at a flat 16 credits per image.
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