Cheaper Gen.

Image model comparison

Nano Banana Pro vs Seedream 5.0 Pro

Google's Nano Banana Pro and ByteDance's Seedream 5.0 Pro, side by side: price per image, image sizes, editing and aspect ratios — and when to choose which. Both run on one Cheaper Gen. API key.

Price

Nano Banana Pro vs Seedream 5.0 Pro: price per image

Live prices at the tiers both models offer. Official list prices are on each model's pricing page.

Nano Banana Pro and Seedream 5.0 Pro prices at shared tiers
TierNano Banana ProSeedream 5.0 ProCheaper
1K$0.099/image$0.0322/imageSeedream 5.0 Pro −67%
2K$0.099/image$0.0644/imageSeedream 5.0 Pro −35%

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

Nano Banana Pro vs Seedream 5.0 Pro specifications
SpecNano Banana ProSeedream 5.0 Pro
DeveloperGoogleByteDance
ReleasedNov 20, 2025Jul 8, 2026
TasksText to image, Image editingText to image, Image editing
Sizes1K · 2K · 4K1K · 2K
Edit inputsUp to 14 imagesUp to 10 images
Quality levels——
Aspect ratios10 (1:1, 2:3, 3:2, 3:4, 4:3, 4:5…)8 (1:1, 4:3, 3:4, 16:9, 9:16, 3:2…)
Starting price$0.099/image (1K)$0.0322/image (1K)
Below official priceup to 46%up to 28%

Verdict

When to choose which

Each point below comes from the price and spec data above.

Choose Nano Banana Pro for

  • Higher maximum resolution: 4K vs 2K.
  • Edits with up to 14 input images (vs 10).
  • More aspect ratios: 10 vs 8.

Nano Banana Pro at a glance

  • Up to 4K — 1K, 2K and 4K output
  • Legible text — Posters, diagrams, labels
  • 14 inputs — Multi-image composition
  • Consistency — Characters stay on-model

Choose Seedream 5.0 Pro for

  • Lower price: $0.0322/image vs $0.099/image at 1K (67% less).
  • Newer model (released July 8, 2026).

Seedream 5.0 Pro at a glance

  • Up to 2K — ≈4 MP outputs
  • Multi-image edit — Combine up to 10 inputs
  • Text rendering — Legible in-image typography
  • Fast turnaround — Seconds per image

Try both with the same prompt

Same API key and balance; only the endpoint changes. Failed generations are refunded.

POST /api/v1/run/google/nano-banana-pro/text-to-image
POST /api/v1/run/bytedance/seedream-5.0-pro/text-to-image

FAQ

Nano Banana Pro vs Seedream 5.0 Pro questions

Seedream 5.0 Pro is cheaper at 2 of 2 shared tiers. 1K: Nano Banana Pro $0.099/image, Seedream 5.0 Pro $0.0322/image; 2K: Nano Banana Pro $0.099/image, Seedream 5.0 Pro $0.0644/image. Prices are live and billed per image.

Nano Banana Pro: up to 4K, edits with up to 14 input images. Seedream 5.0 Pro: up to 2K, edits with up to 10 input images.

Yes. Both run through the same Cheaper Gen. API and balance: POST /v1/run/{endpoint} with the model's endpoint id, then poll or receive a webhook. Switching models means changing the endpoint and its input fields — no new account or SDK.

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Nano Banana Pro is developed by Google; Seedream 5.0 Pro by ByteDance. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.