Runway Gen-4 Turbo
Runway's fast, controllable image-to-video model — generates 5–10s clips from an image and prompt in seconds, optimized for rapid creative iteration.
Overview
What is Runway Gen-4 Turbo
Runway Gen-4 Turbo is an image-to-video AI model that generates short (2s–10s) clips from a starting image and text prompt. Released in April 2025, it prioritizes speed and lower cost over the standard Gen-4, making it ideal for fast iteration and creative exploration without sacrificing cinematic quality.
Running it privately on Venice
On Venice, Runway Gen-4 Turbo runs with anonymized privacy — your prompts are never stored or used for training. This means you can generate video ideas freely, knowing your concepts remain private and uncensored. The model is accessible on-demand with pay-per-clip pricing, so you only pay for what you create.
Assessment
Strengths and limitations
- Extremely fast generation: produces a 10-second clip in about 30 seconds.
- High controllability via image-to-video input, enabling precise visual starting points.
- Supports multiple aspect ratios for social, cinematic, and mobile formats.
- Optimized for rapid A/B testing and storyboarding in creative workflows.
- Generates cinematic, photorealistic video suitable for professional use.
- Limited to short clips (maximum 10 seconds), not suitable for long-form content.
- No audio generation: video output is silent by default.
- Requires an input image; cannot generate from text alone.
- Lower motion consistency compared to Runway's standard Gen-4 model.
Samples
Sample outputs
Generated on Venice with our standard prompt suite — the same prompts we run through every model of this type, so you can judge it like-for-like.
Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K
Calm ocean waves rolling onto a black-sand beach at sunrise, golden light on wet sand, foam dissolving into the shore, a single silhouetted figure at the waterline, smooth continuous forward push, serene cinematic atmosphere
A slow tracking shot through a rain-soaked Tokyo street at night, neon reflecting in puddles, steam rising from a food cart, a person with a translucent umbrella, shallow depth of field, teal-and-orange grade, smooth steady camera
Capabilities
What it supports
- Image to video
Specifications
Datasheet
- Maker
- Runway
- Released
- April 7, 2025
- Modality
- Image-to-video
- Clip lengths
- 2s – 10s
- Mode
- image-to-video
- Aspect ratios
- 16:9, 9:16, 1:1, 4:3, 3:4, 21:9
- Audio
- No
- Prompt limit
- 1,000 chars
- Privacy on Venice
- Anonymized — prompts not stored
- Available on Venice since
- Jan 2026
- License
- Proprietary
API
Call it from your code
Venice exposes this model through the REST API. Queue a generation with the model id.
curl https://api.venice.ai/api/v1/video/queue \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "runway-gen4-turbo",
"prompt": "Aerial drone shot over a misty mountain valley at golden hour"
}'
# Use the returned queue_id with https://api.venice.ai/api/v1/video/retrieve.
# Call /video/complete after downloading if needed.Pricing
What it costs on Venice
Pay per clip on Venice — price scales with resolution and duration (2s–10s), from $0.14.
New Venice accounts include a free daily allowance and 500 welcome credits — no credit card required.
Alternatives
How it compares
| Model | Max clip length | Strongest at | Open weights | Price (Venice) |
|---|---|---|---|---|
| Runway Gen-4 Turbo | 10s | Fast image-to-video iteration | No | from $0.14 |
| Kling O3 Pro | 60s | Long-form, multi-shot video | No | from $0.46 |
| Vidu Q3 | 15s | Text-to-video with scene coherence | No | from $0.27 |
| Wan 2.7 Enhanced | 10s | Photorealistic animation | Yes | from $0.68 |
Fast, controllable image-to-video for rapid creative testing.
Use cases
What it is good for
- 01Rapid prototyping of video ideas and motion concepts.
- 02Animating product mockups, storyboards, or presentation visuals.
- 03Creating short social media clips from still images.
- 04Exploring visual storytelling directions without full production overhead.
- 05Generating VFX references or concept animations for filmmakers.
Prompting
Getting better results
Use a high-quality, detailed image as your starting frame for best results.
Keep motion descriptions concise and specific — e.g., 'slow zoom in', 'character turns head'.
Specify camera movement in the prompt to guide scene dynamics.
Test shorter durations first (2s–5s) to validate motion direction before scaling up.
Version history
Predecessor model
Higher-quality, slower version
Current — faster, lower-cost iteration
FAQ
Frequently asked questions
Runway Gen-4 Turbo is an image-to-video AI model that generates short (2s–10s) clips from a starting image and text prompt. It's optimized for speed and lower cost, making it ideal for rapid creative iteration and prototyping.
On Venice, pricing starts at $0.14 per clip, scaling with resolution and duration. A 10-second clip costs more than a 2-second one, with exact pricing based on output specifications.
No. Runway Gen-4 Turbo is a proprietary model — not free to use at scale and not open source. It cannot be self-hosted or modified, and access is provided via API or platform credits.
No. Runway Gen-4 Turbo requires an input image to start the video generation process. It is strictly an image-to-video model, not a text-to-video model.
It supports multiple aspect ratios including 16:9 (1280x720), 9:16 (720x1280), 1:1 (960x960), 4:3 (1104x832), 3:4 (832x1104), and 21:9 (1584x672), all at 24fps.
Runway Gen-4 Turbo excels at fast, controllable image-to-video generation for creative iteration, while Kling O3 Pro supports longer clips and higher resolution. Choose Runway for speed and control, Kling for longer, cinematic sequences.
No. The model generates video only — audio must be added in post-production or through third-party tools.
No. Runway Gen-4 Turbo is a generative video model and does not support function calling, tool use, or external API integration during generation.
Run Runway Gen-4 Turbo privately
No prompt logging. No data used for training.