ByteDance Seed

Seedance 2.5

Image inputAudio inputAudio outputVideo inputVideo output

ByteDance multimodal audio-video model with up to 30-second single-pass generation, multi-round extension, reference inputs and timestamp-level editing.

Released
2mo ago
Pricing
Not published

Sources:models.dev

Benchmarks

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.

Specifications

Model family
Seedance
Type
Video generation
Predecessor
—
Successor
—
Released
July 31, 2026
Model ID
bytedance-seed/seedance-2.5
Openness
Closed
License
—
Input modalities
text, image, video, audio
Output modalities
video, audio
Modality
text+image+video+audio->video+audio
Hugging Face
—
Source freshness
Metadata synced Oct 8, 2026, 10:17 PM UTC
Additional source evidence
Source model
bytedance-seed/seedance-2.5
Source family
seed
Last updated
2026-10-04
Model context
—
Model output limit
—
Open weights
No
File attachments
Yes
Reasoning
No
Tool calling
No

Official references

Complete source record (JSON)
{
  "id": "bytedance-seed/seedance-2.5",
  "name": "Seedance 2.5",
  "description": "ByteDance multimodal audio-video model with up to 30-second single-pass generation, multi-round extension, reference inputs and timestamp-level editing.",
  "family": "seed",
  "last_updated": "2026-10-04",
  "attachment": true,
  "reasoning": false,
  "tool_call": false,
  "modalities": {
    "input": [
      "text",
      "image",
      "video",
      "audio"
    ],
    "output": [
      "video",
      "audio"
    ]
  },
  "limit": {
    "context": 0,
    "output": 0
  },
  "release_date": "2026-07-31",
  "open_weights": false,
  "links": [
    {
      "url": "https://seed.bytedance.com/en/blog/one-take-creation-flexible-referencing-introducing-seedance-2-5",
      "type": "announcement"
    }
  ]
}

Infrastructure

Provider availability

All providers
Provider-specific media pricing is not available in the imported source data yet.