Otter

Otter is an open-source AI short-drama creation app. No sign-up required—bring your own API keys for text, image, video, and voice models, then produce shorts from story to finished video on your phone. Creative data stays on your device by default and is not uploaded to Otter servers.
FEATURES
• Novel writing: outlines, chapters, continue writing, polish, and passage rewrite
• Script pipeline: AI script rewrite, character & scene extraction, storyboard breakdown
• Visuals & audio: character portraits, scene images, shot videos, and TTS dubbing
• Compose & export: per-shot compose, full-episode merge, then export or share
• Multi-provider support: OpenAI-compatible APIs, Alibaba, MiniMax, Volcengine, and more (based on your configuration)
HOW TO START
1. Open Settings and add text / image / video / audio services with your API keys
2. Create a drama or novel project and produce step by step in Studio
3. Compose and export when ready