Melies
Image Model Comparison

Seedream 5 Lite vs GPT Image 1.5

ByteDance's reasoning model with web search vs OpenAI's leaderboard leader. 10 vs 15 credits.

GPT Image 1.5 is no longer offered on Melies. Seedream 5 Lite is available today. The specs below are kept for reference.

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). GPT Image 1.5 is no longer offered on Melies. Seedream 5 Lite is, along with the other current image models listed on the pricing page.

Updated November 2026

The Bottom Line

GPT Image 1.5 is no longer offered on Melies, so Seedream 5 Lite is the one you can use here. At 10 credits, it is a fit for culturally-accurate visuals. For other options, compare the current image models and their credit costs on the pricing page.

Seedream 5 Lite vs GPT Image 1.5: How They Compare

ByteDanceSeedream 5 Lite
OpenAIGPT Image 1.5
ProviderByteDanceOpenAI
ReleasedFeb 2026Jan 2026
Cost
10
15
SpeedMediumMedium
Reference imagesUp to 10Up 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.

VolumeSeedream 5 LiteGPT Image 1.5
10 images 100 150
50 images 500 750
100 images 1,000 1,500

Strengths & Weaknesses

ByteDance

Seedream 5 Lite

Strengths
  • + More affordable (10 vs 15 credits)
  • + Culturally-accurate visuals
  • + Supports 10 reference images
  • + More resolution options
  • + Built-in web search for current references
Weaknesses
  • - No WebP output
OpenAI

GPT Image 1.5

Strengths
  • + Highest quality generation
  • + WebP output for smaller file sizes
  • + #1 on all major image leaderboards
  • + Transparent background support
  • + Quality control (low/medium/high)
Weaknesses
  • - 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.

Seedream 5 Lite

Character or style consistency

Seedream 5 Lite supports 10 reference images to keep subjects, styles, and characters consistent across generations.

Seedream 5 Lite

Seedream 5 Lite vs GPT Image 1.5: FAQ

Practical answers before you start creating.

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Try Seedream 5 Lite on Melies

Compare Seedream 5 Lite with the other image models on Melies side by side. Switch models with one click, same credits.

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