Sume image markup at 10,000 images: list vs billed price per model
What the 1.25x house margin adds at 10,000 images per Sume image model, from $50 on Qwen Image and Grok Imagine to $527 on ChatGPT Image 2.
Sume bills image models at the provider's list price times 1.25, so the margin is 25% of list, or 20% of what you pay. At 10,000 images that is $50 on the cheapest edit models and about $527 on ChatGPT Image 2 at its high 1024 rate.
The docs state that endpoint pricing lines already include Sume's margin, and the Sume docs describe the 1.25 factor for the video router; the image catalog rows follow the same factor (Ideogram 4.5 medium lists at $0.06 and sells at $0.075). The list column below is the billed price divided by 1.25.
Margin per 10,000 images
Use this to decide whether a volume job is worth running on a direct vendor account instead. The margin is a fixed share of each image, so it scales linearly with volume and does not depend on resolution.
| Model | List per image | Sume per image | Margin at 10,000 images |
|---|---|---|---|
| Soul | $0.004 | $0.005 | $10.00 |
| Grok Imagine | $0.020 | $0.025 | $50.00 |
| Qwen Image | $0.020 | $0.025 | $50.00 |
| Imagen 4 Fast | $0.020 | $0.025 | $50.00 |
| Seedream 4.0 | $0.026 | $0.0325 | $65.00 |
| Flux 2 Pro | $0.030 | $0.0375 | $75.00 |
| Seedream 5.0 Lite | $0.035 | $0.04375 | $87.50 |
| Seedream 4.5 | $0.040 | $0.05 | $100.00 |
| Recraft V4 | $0.040 | $0.05 | $100.00 |
| Flux 2 Flex | $0.050 | $0.0625 | $125.00 |
| ChatGPT Image 2.5 | $0.0527 | $0.065875 | $131.75 |
| ChatGPT Image 2.5 Sunburst | $0.0527 | $0.065875 | $131.75 |
| Imagen 4 Ultra | $0.060 | $0.075 | $150.00 |
| Ideogram V3 | $0.060 | $0.075 | $150.00 |
| Ideogram 4.5 | $0.060 | $0.075 | $150.00 |
| Qwen Image Max | $0.075 | $0.09375 | $187.50 |
| Nano Banana 2 | $0.080 | $0.10 | $200.00 |
| Nano Banana Pro | $0.150 | $0.1875 | $375.00 |
| ChatGPT Image 2 | $0.211 | $0.26375 | $527.50 |
What the margin buys and what it does not
The billed price is the amount charged to your wallet: the docs say cost_usd x n is what you pay, with the margin already applied, and only completed generations are billed. Each response reports the figure in usage.cost, so the margin is not a separate line item you have to reconcile.
If your volume is steady and one model, a direct vendor contract can undercut these numbers; if you switch between five models, one wallet and one request shape often matters more than the margin. Either way, run the numbers on your own mix.
- $50: Imagen 4 Fast, Grok Imagine, Qwen Image (Soul is $10).
- $65 to $100: Seedream 4.0, Flux 2 Pro, Seedream 5.0 Lite, Seedream 4.5, Recraft V4.
- $125 to $150: Flux 2 Flex, ChatGPT Image 2.5 (both ids), Imagen 4 Ultra, Ideogram V3 and 4.5 at medium.
- $187.50 to $527.50: Qwen Image Max, Nano Banana 2, Nano Banana Pro, ChatGPT Image 2.
Check the live price before you commit
Rows change when a vendor changes its list, so read the number from the endpoints record at run time rather than from a blog table. A one-line check:
curl -s "https://api.sume.com/v1/images/models/qwen/qwen-image/endpoints" \
-H "Authorization: Bearer $SUME_API_KEY"Sources
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Written by Sume