Seedream 5 Lite vs GPT Image 1.5
ByteDance's reasoning model with web search vs OpenAI's leaderboard leader. 10 vs 15 credits.
Seedream 5 Lite from ByteDance and GPT Image 1.5 from OpenAI represent two different approaches to AI image generation. ByteDance's reasoning image model with chain-of-thought reasoning and live web search. On the other side, openAI's #1 ranked image model with exceptional prompt adherence, photorealism, and text rendering.
At 10 credits, Seedream 5 Lite costs 5 credits less than GPT Image 1.5 (15 credits). The question is whether the extra cost of GPT Image 1.5 translates into meaningfully better results for your use case. For culturally-accurate visuals, text rendering, infographics, current events imagery, Seedream 5 Lite is hard to beat at its price point. But if you need highest quality generation, text rendering, photorealism, GPT Image 1.5 may justify the premium.
Updated April 2026
Seedream 5 Lite (10 credits) offers better value for everyday use, especially for culturally-accurate visuals. GPT Image 1.5 (15 credits) is worth the premium when you need highest quality generation. Both are available on Melies — try each with a test prompt to see which fits your style.
Seedream 5 Lite vs GPT Image 1.5: How They Compare
 Seedream 5 Lite |  GPT Image 1.5 | |
|---|---|---|
| Provider | ByteDance | OpenAI |
| Released | Feb 2026 | Jan 2026 |
| Cost | 10 | 15 |
| Speed | Medium | Medium |
| Reference images | Up to 10 | Up to 1 |
| Editing | ||
| WebP output |
Seedream 5 Lite vs GPT Image 1.5: Cost Comparison
Seedream 5 Lite is 33% cheaper than GPT Image 1.5. Here's how credits add up at scale.
| Volume | Seedream 5 Lite | GPT Image 1.5 |
|---|---|---|
| 10 images | 100 | 150 |
| 50 images | 500 | 750 |
| 100 images | 1,000 | 1,500 |
Strengths & Weaknesses
Seedream 5 Lite
- + More affordable (10 vs 15 credits)
- + Culturally-accurate visuals
- + Supports 10 reference images
- + More resolution options
- + Built-in web search for current references
- - No WebP output
GPT Image 1.5
- + Highest quality generation
- + WebP output for smaller file sizes
- + #1 on all major image leaderboards
- + Transparent background support
- + Quality control (low/medium/high)
- - More expensive (15 vs 10 credits)
Seedream 5 Lite vs GPT Image 1.5: Which to Pick?
On a tight budget
At 10 credits per image, Seedream 5 Lite gives you more generations for your plan. Good enough quality for most everyday use.
Maximum quality matters
GPT Image 1.5 is worth the extra credits when the output needs to be perfect — portfolio pieces, client work, or final deliverables.
Character or style consistency
Seedream 5 Lite supports 10 reference images to keep subjects, styles, and characters consistent across generations.
Seedream 5 Lite vs GPT Image 1.5: FAQ
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