AI video analysis has exploded in 2025. Whether you're a content creator trying to reverse-engineer viral videos, a filmmaker looking for inspiration, or an AI enthusiast generating prompts — the right tool can save you hours. Here's our comprehensive comparison.
1. Video to Prompt (Best Free Option)
Price: Free | AI Model: Google Gemini 2.5 Flash
Video to Prompt stands out as the best free video to prompt generator option for converting YouTube videos into detailed scene-by-scene prompts. It supports direct YouTube URL input (including Shorts), provides timestamps, camera movements, character detection, and action descriptions.
Pros
- 100% free — no sign-up or payment required
- Direct YouTube URL support (including Shorts)
- Detailed scene-by-scene breakdown with timestamps
- Camera movement and character detection
- Export and copy functionality
- Fast processing (Shorts in ~15 seconds)
Cons
- File upload limited to 20MB
- Processing time varies with video length
2. RunwayML (Best for Professional Video Editing)
Price: From $12/month | AI Model: Proprietary
Runway is primarily known as a video generation and editing tool, but its video analysis capabilities are impressive. It can break down video elements, apply style transfer, and generate variations.
Best For
- Professional video editors and filmmakers
- Teams needing end-to-end video production tools
- Style transfer and video-to-video generation
3. Google AI Studio (Best for Developers)
Price: Free tier available | AI Model: Google Gemini
Google AI Studio gives direct access to the Gemini API for video analysis. While powerful, it requires technical knowledge and API integration. Best suited for developers building custom solutions.
Best For
- Developers and engineers
- Custom integrations and automated workflows
- High-volume processing with API access
4. Descript (Best for Transcription + Analysis)
Price: From $24/month | AI Model: Proprietary
Descript excels at video transcription and text-based editing. While it doesn't generate creative prompts, its AI can identify speakers, remove filler words, and create summaries from video content.
Best For
- Podcasters and video content creators
- Teams needing accurate transcription
- Text-based video editing workflows
Comparison Table
| Tool | Price | Scene Breakdown | Camera Detection | YouTube Support | File Upload |
|---|---|---|---|---|---|
| Video to Prompt | Free | ✅ Yes | ✅ Yes | ✅ Yes | ✅ 20MB |
| RunwayML | $12/mo | ✅ Yes | Partial | ❌ No | ✅ Large |
| Google AI Studio | Free/$ | ✅ Custom | ✅ Custom | ✅ Yes | ✅ Large |
| Descript | $24/mo | Partial | ❌ No | ❌ No | ✅ Large |
Which Tool Should You Choose?
- Want free, instant results? → Video to Prompt
- Professional video production? → RunwayML
- Building custom applications? → Google AI Studio
- Need transcription focus? → Descript