Seedream 4.5

Image inputImage output

Image prices are listed in the billing units published by each provider; resolution and quality can affect the final cost.

Provider pricing

Rates are shown in each provider's published units. Resolution, quality, audio, and other settings may change the final charge.

seed

Image output

$0.04 / image

seed

Image input

$0.00 / image

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

No benchmark results have been matched to this model yet.

Developer: ByteDance Seed
Model family: Seedream
Type: Image generation
Predecessor: —
Successor: —
Listed on OpenRouter: December 23, 2025
Model ID: bytedance-seed/seedream-4.5
Openness: Closed
License: —
Input modalities: image, text
Output modalities: image
Modality: text+image->image
Resolutions: 1K, 2K, 4K
Aspect ratios: 1:1, 1:2, 2:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 9:19.5, 19.5:9, 9:20, 20:9, 9:21, 21:9, auto
Images per request: 1–10
Reference images: 0–14
Hugging Face: —
Source freshness: Endpoints synced Oct 15, 2026, 1:18 PM UTC

Infrastructure

Provider	Endpoint	Pricing (published units)	Uptime 1d	Data handling
Seed	seed	$0.04 (Image output / image); $0 (Image input / image)	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15

Provider data:OpenRouter