- Organizations
- Bytedance
- Seedream 4.5
Seedream 4.5: Pricing, Performance & Examples
Seedream 4.5 is a image generation model from Bytedance, released in December 2025, with a 2K-token context window.
Upgraded Bytedance image model with stronger spatial understanding and world knowledge. Supports 4K resolution, image-to-image editing, and various aspect ratios.
Seedream 4.5 examples
Recent arena outputs from Seedream 4.5, picked from the highest-ranked matchups.
Seedream 4.5 API
Set for image-to-image / editing models.
Run a request to see the response
Use it in your code
OpenAI-compatible endpoint through the LLM Stats gateway.
import requests
# Create the generation. wait="auto" long-polls (up to 60s) so most short
# jobs return as "completed" in a single round-trip.
res = requests.post(
"https://gateway.llm-stats.com/v1/generations",
headers={"Authorization": "Bearer YOUR_API_KEY"},
json={
"model": "seedream-4.5",
"input": {"prompt": "A beautiful sunset over mountains"},
"wait": "auto",
},
)
job = res.json()
# If it didn't finish inside the wait window, poll the same resource.
while job["status"] in ("queued", "running"):
res = requests.get(
f"https://gateway.llm-stats.com/v1/generations/{job['id']}",
params={"wait": 60},
headers={"Authorization": "Bearer YOUR_API_KEY"},
)
job = res.json()
if job["status"] == "completed":
print("image:", job["output"]["media"][0]["url"])
else:
print("Failed:", job["error"]["message"])Need an API key? Create one above in the playground, or read the API documentation.
Seedream 4.5 pricing
Providers
Seedream 4.5 starts at $0.0400 per generated image via Fal. See all 2 providers below with their per-image pricing, latency, and modality support.
| Provider | Price $/image | Latency s | Modalities in / out |
|---|---|---|---|
| $0.0400 | 0.00 | / | |
| $0.0400 | — | / |
Seedream 4.5 latency
Seedream 4.5 time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.
Provider operational metrics
Time to first token, output throughput, and failed-request rate from live API traffic
Seedream 4.5 benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Performance by category and language
Where Seedream 4.5 is strongest across prompt themes and languages. Conservative TrueSkill score (μ − 3σ), only axes with 3+ votes.
Quality Tracker
Similar Models
How Seedream 4.5 compares to its closest neighbors on each image arena it competes in.
Seedream 4.5 license
Seedream 4.5 is a proprietary model available under its provider's product and API terms.
- License
- Proprietary
- Hosted access
Proprietary license - usage restrictions apply
Models like Seedream 4.5
Other image models ranked closest to Seedream 4.5.
FAQ
Common questions about Seedream 4.5.