Flux 2 vs Seedream 4.5
Original characters, game characters, and mascots — see how these models compare with real AI-generated outputs.
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Flux 2 and Seedream 4.5 are both strong options in Influencer Studio for character design, whether you’re building original characters, game-ready heroes, or brand mascots. Both support text-to-image creation and image-to-image editing, making them practical for everything from first-pass concept art to iterative refinements.
The key differences come down to customization and workflow. Flux 2 emphasizes controllability (including LoRA support and specific character-editing tools), while Seedream 4.5 focuses on consistently high-quality output with flexible styling and straightforward pricing.
Character Design — Side-by-Side Results
Prompt
"A candid phone-camera selfie of an original influencer character (early 20s, warm brown skin with a small cheek beauty mark, big round glasses, long teal-to-black ombré braids in a high ponytail) wearing an oversized cream hoodie, pleated tennis skirt, and chunky sneakers with a distinctive crossbody mini-bag and star-shaped hair clip—clear silhouette and stylized proportions like a game character concept, standing in a simple turnaround-ready pose. She’s in a bright corner café by the window, one hand holding an iced matcha and the other resting on her hip, looking slightly off-lens like she just started an Instagram story; natural morning light, casual background details (menu board, plants, laptop on table), authentic unpolished vibe. Include subtle design-sheet cues (clean backdrop edge, small outfit details visible like zipper pulls and patches) while still feeling like a real UGC post."
Feature Comparison
| Feature | Flux 2 | Seedream 4.5 |
|---|---|---|
| Provider | Black Forest Labs | ByteDance |
| Subcategories | text-to-image, image-to-image | text-to-image, image-to-image |
| 1080p / 2k Mode | Yes | Yes |
| 4k Mode | Yes | No |
| NSFW Rating | Low | Low |
| Aspect Ratio | 1:1, 16:9, 9:16, 3:4, 4:3 | 1:1, 16:9, 9:16, 3:4, 4:3 |
| Model Variant | Standard, Klein 9B | — |
| Starting Price | 22 credits | 16 credits |
Flux 2 Strengths
- LoRA support for creating and reusing a consistent original character across poses, outfits, and scenes
- Versatile image editing for iterative character exploration (silhouette changes, costume tweaks, prop swaps)
- Up to 4MP output for sharper character details (costume textures, accessories, linework) and cleaner exports
- Style transfer options that help re-skin the same character concept into multiple art directions (e.g., anime, painterly, semi-real)
- Face-swap support for quickly testing alternate facial variations while keeping the rest of the design stable
Seedream 4.5 Strengths
- High-quality text-to-image results that are well-suited to fast character ideation and mood exploration
- Strong image-to-image editing for refining a chosen character concept without rebuilding from scratch
- Versatile styles for shifting between mascot-friendly simplicity and more detailed game character rendering
- Simple, predictable pricing at 16 credits per image for consistent budgeting during iteration
Verdict
Choose Flux 2 if your character design workflow depends on repeatable identity—keeping a protagonist or mascot consistent across many images—and you want deeper customization via LoRA plus higher-resolution exports. It’s especially useful when you need a “character system” you can reliably iterate on over time.
Choose Seedream 4.5 if you want a streamlined, cost-efficient model that delivers high-quality character concepts quickly with flexible styling and solid editing. For many teams, its 16-credits-per-image pricing makes it a strong default for rapid exploration before locking a final direction.
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