Overview
Seedance 2.5 is the most anticipated release in AI video — the expected next generation of ByteDance's Seedance line, which in its Seedance 2.0 version became the #1-ranked video generator in the world, topping the Artificial Analysis Video Arena for both text-to-video and image-to-video in early 2026. ByteDance has not published official Seedance 2.5 specifications as of mid-2026, but industry reporting, leaks, and the clear 1.0 → 1.5 → 2.0 trajectory point to a major leap forward.
Reports and leaks suggest Seedance 2.5 will push well past the current ceiling: up to 4K resolution (versus 720p/1080p today), near-real-time generation, clips longer than 15 seconds, persistent characters that stay consistent across sessions without re-uploading references, and expanded multimodal inputs — many more reference images, audio, and video clips in a single pass.
What is certain is the foundation Seedance 2.5 builds on — and you can use it on Hedra today through Seedance 2.0: native, synchronized audio generated jointly with the video, accurate multi-language lip-sync, multi-shot storytelling that holds characters and style across cuts, precise camera control, and a reference mode for grounding generations in your own images, video, and audio. Seedance 2.5 is expected to extend every one of these — and the moment it ships, Hedra will have it.
A note on transparency: Seedance 2.5 is not yet released, and the capabilities, resolutions, and durations described here are our best estimates based on the public data available so far. They are not confirmed by ByteDance and may change at launch.
Specifications · Text + image + video + audio to video
- Input mode
- Text + image + video + audio to video
- Accepts
- reference image (up to 30), start frame, end frame, reference video, audio
- Aspect ratios
- 1:1, 3:4, 4:3, 16:9, 21:9, 9:16, adaptive
- Resolutions
- 480p, 720p, 1080p
- Durations
- 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s, 16s, 17s, 18s, 19s, 20s, 21s, 22s, 23s, 24s, 25s, 26s, 27s, 28s, 29s, 30s
- Max duration
- 30s
- Native audio
- Optional
Pricing
Build with this model: the Seedance 2.5 API on the Hedra Developer Platform.
Seedance 2.5 API →Prompting
Prompt tips
These proven Seedance 2.0 techniques are expected to carry directly into Seedance 2.5:
- Chunk your prompts: Break the scene into 2–3 second beats, each specifying shot direction, camera movement, and subject action, rather than one broad description.
- Tag your references: When uploading multiple references, assign clear roles (character, background, motion style) so the model knows how to use each.
- Audio-driven pacing: Provide a music or voiceover reference and the model will match cuts, pacing, and transitions to the beat.
- Lock characters with grids: Feed a multi-angle image grid of your subject as the primary reference to hold character consistency across a multi-shot sequence.
About the model
Questions, answered
What is Seedance 2.5?
Seedance 2.5 is the anticipated next-generation version of ByteDance's Seedance, the multimodal AI video model that became the world's #1-ranked video generator in its Seedance 2.0 release. As of mid-2026, ByteDance has not officially announced Seedance 2.5 or published its specifications — reporting and leaks point to major upgrades in resolution, speed, clip length, and character consistency. Seedance 2.5 is expected to build directly on Seedance 2.0, which is available now on Hedra.
When is the Seedance 2.5 release date?
Seedance 2.5 does not have an officially confirmed release date. As of mid-2026, industry reports and leaks point to a mid-2026 launch, though estimates vary — some sources suggest early July, others early August. ByteDance has not confirmed a date, so treat these as rumors. We'll update this page the moment Seedance 2.5 is officially released, and add it to Hedra as soon as it's available.
What's new in Seedance 2.5 vs Seedance 2.0?
Seedance 2.0, available now, is confirmed to offer native joint audio-video generation, multi-language lip-sync, multi-shot character consistency, reference mode, and 720p/1080p output up to about 15 seconds. For Seedance 2.5, reports and leaks suggest upgrades including up to 4K resolution, near-real-time generation, clips longer than 15 seconds, persistent characters across sessions, and expanded multimodal inputs — but these are expected, not yet confirmed by ByteDance, and may change at launch.
Will Seedance 2.5 support 4K and longer videos?
Reports and leaks suggest Seedance 2.5 will support up to 4K resolution and clips longer than the roughly 15-second limit of Seedance 2.0, but ByteDance has not officially confirmed these specifications. They reflect current expectations from public reporting and may change when the model launches.
Is Seedance 2.5 available yet, and how can I use it?
Seedance 2.5 is not yet generally available as of mid-2026. The current flagship, Seedance 2.0 — the world's top-ranked video model — is available now on Hedra, with native synced audio, multi-shot consistency, precise camera control, and reference mode. The moment Seedance 2.5 ships, Hedra will add it, so creating with Seedance on Hedra today is the best way to get a head start.
Same API · one key
