Flux 2 vs GPT-Image 1.5
Eye-catching and expressive thumbnail imagery — see how these models compare with real AI-generated outputs.
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YouTube thumbnails live or die by instant clarity: a readable focal point, expressive faces, bold contrast, and a style that matches your channel identity. Influencer Studio offers two strong options for thumbnail creation—Flux 2 and GPT-Image 1.5—each optimized for different parts of the workflow.
Below is a practical comparison focused on eye-catching, expressive thumbnail imagery: how well each model follows thumbnail-style prompts, supports edits and iterations, handles consistent branding, and what you can expect at different credit tiers.
YouTube Thumbnail — Side-by-Side Results
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Side-by-side youtube thumbnail comparisons for Flux 2 and GPT-Image 1.5 are coming soon.
Feature Comparison
| Feature | Flux 2 | GPT-Image 1.5 |
|---|---|---|
| Provider | Black Forest Labs | OpenAI |
| Subcategories | text-to-image, image-to-image | text-to-image |
| 1080p / 2k Mode | Yes | Yes |
| 4k Mode | Yes | No |
| NSFW Rating | Low | Strict |
| 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 | 8 credits |
Flux 2 Strengths
- Powerful thumbnail iteration workflow with image-to-image editing for quick variations (pose, lighting, background, color grading)
- LoRA support for consistent channel branding (recurring character look, signature style, repeated thumbnail template aesthetics)
- Up to 4MP output for sharper details and cleaner text-safe compositions when you need extra resolution
- Style transfer options that make it easier to match an existing channel look across a series
- Face-swap support for creator-centric thumbnails and consistent on-camera identity
GPT-Image 1.5 Strengths
- Strong prompt adherence for getting the intended thumbnail concept quickly (composition, mood, subject, props)
- High-fidelity rendering that helps thumbnails look polished and “finished” without heavy post-processing
- Excels at detailed scenes when your thumbnail needs context (set pieces, environments, multiple story elements)
- Flexible quality tiers (low/medium/high) to balance speed and cost during ideation vs final picks
Verdict
Choose Flux 2 if your thumbnail workflow depends on repeatable branding and controlled edits—especially if you want to iterate on a base image, apply a consistent style via LoRAs, or keep the creator’s face consistent across a series. It’s also a strong fit when you need higher-resolution outputs for crisp crops and clean detail.
Choose GPT-Image 1.5 if you prioritize fast, accurate prompt-to-thumbnail results with a polished look—particularly for one-off concepts or detailed scenes where prompt adherence and fidelity matter most. For many creators, a practical workflow is using GPT-Image 1.5 to nail the concept, then Flux 2 to refine, standardize, and produce consistent series-ready variations.
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