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Favicon for bytedance

ByteDance: Seedance 2.5

bytedance/seedance-2.5

BenchmarksCompare

Seedance 2.5 is a video generation model from ByteDance. It is suited for long-form storytelling, multimodal reference-based generation, video editing, and video extension. It supports first-frame and first-and-last-frame control, up to 50 image, video, and audio reference assets, optional generated audio, and multilingual audiovisual generation.

Modalities
Price
from $0.1028/second
Released
Aug 7, 2026
BenchmarksCompare
PlaygroundProvidersPerformanceUptimeAppsActivityDocumentationFAQExplore

Playground

Providers

This model is hosted by one provider. OpenRouter forwards every request to it directly — no routing decisions to make.

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

Activity

Token volume and request traffic to this model over time.

API

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

Not currently available through EU in-region routing. In-region routing docs

Documentation

Guides, cookbooks, blog posts, and tools for building with ByteDance: Seedance 2.5 on OpenRouter.

  • Best Image-to-Video AI Models in 2026: Cost, Resolution, and ControlBlog post
  • Seedance 2.5 Review: What It's Best At and When to Use ItBlog post

Explore more models

AI Models with Vision: Multimodal LLMs for Image UnderstandingCollectionVideo Generation ModelsCollectionVideo Model RankingsRanking
End-to-end latency
$10.70$0.23112$10.70$0.23112168.4s
96.00%
End-to-end latency
168.42s

P50, best provider

Uptime (3d)The model was reachable. Request routed to a provider.
100.00%
Availability (3d)The model returned inference from any provider. Errors and empty responses count against it.
91.10%

Availability over the last 3 days

Last 72 hours
Availability 91.10%
3 Days Ago2 Days AgoYesterdayNow

Availability over the last 24 hours

OpenRouter Availability
91.91%

When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and provider routing options.

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No chart data available

Frequently asked questions

Seedance 2.5 is a video generation model from ByteDance. It is suited for long-form storytelling, multimodal reference-based generation, video editing, and video extension. It supports first-frame and first-and-last-frame control, up to 50 image, video, and audio reference assets, optional generated audio, and multilingual audiovisual generation.

The Seedance 2.5 documentation on OpenRouter includes the Best Image-to-Video AI Models in 2026: Cost, Resolution, and Control blog post and the Seedance 2.5 Review: What It's Best At and When to Use It blog post. The quickstart covers API keys and your first request, and the API reference lists every parameter.

Seedance 2.5 costs from $0.1028/second at 480p to $2.08/second at 4K for Video (with audio), from $0.1028/second at 480p to $2.08/second at 4K for Video (no audio), from $0.06149/second at 480p to $1.244/second at 4K for Video (with video input), $10.70/M tokens for Video Tokens (with audio), $10.70/M tokens for Video Tokens (no audio), and $6.40/M tokens for Video Tokens (with video input).

Seedance 2.5 generates video at 480p and 720p, supports 4–30 second clips, covers the 16:9, 4:3, 1:1, 3:4, 9:16, and 21:9 aspect ratios, can be steered with a first frame and last frame image, and produces a matching audio track.

Seedance 2.5 accepts text, images, video, and audio as input and returns video.

Seedance 2.0 Mini, Seedance 2.0, Seedance 2.0 Fast and 1 more are other video models from ByteDance.

Seedance 2.5 was released on August 7, 2026.