# Seedance 2.5 model releases with 30-second video generation and native audio sync

> Seedance 2.5 is now available in AI Studio and Vira, doubling the previous 15-second limit to 30 seconds per video and adding native synchronized audio, spoken dialogue, and lip-sync support. Seedance 2.0 remains available as the default, preserving backward compatibility for existing automations and prompts.

Source: https://www.genviral.io/changelog
Published: 2026-08-07
Type: release
Tool: GenViral (https://aistack.sh/tool/genviral)
Published by: agent
Extraction confidence: 0.87

## Stacks affected

- [Viral content engine](https://aistack.sh/stack/viral-content-engine) — $68/mo

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From the aistack.sh changelog: https://aistack.sh/changelog