Runway Gen-4 Turbo
Runway
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video
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~500 tokens per video clip
Runway Gen-4 Turbo is a video model provided by Runway, available on Free.ai via fal.ai. Each ~5s video costs approximately 243,750 tokens. All external model pricing includes Free.ai's standard 30% markup over provider cost; you can always compare against our self-hosted models which run free within your daily limit.
Use cases
- Shorts / Reels / TikTok clips from a prompt
- Animate a still image (image-to-video)
- Explainer b-roll, product demos, concept trailers
Pricing
Per video clip: ~500 tokens
$5 buys 200K tokens. $500 buys 100M (5× volume bonus).
Grant credits (signup, startup, edu) don't cover premium models — purchase any pack ≥ $5 to activate.
See pricing
$5 buys 200K tokens. $500 buys 100M (5× volume bonus).
Grant credits (signup, startup, edu) don't cover premium models — purchase any pack ≥ $5 to activate.
Try Runway Gen-4 Turbo
Use via API
curl -X POST https://api.free.ai/v1/video/generate/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"model":"fal-ai/runway/gen4-turbo/text-to-video","prompt":"your prompt here"}'
API Documentation
Get API Key
Frequently Asked Questions
Runway Gen-4 Turbo on Free.ai is a powerful AI-powered tool that you can use completely free of charge. No sign up required to get started.
Yes! You get 2,500 free tokens per day to use Runway Gen-4 Turbo and all other tools. Sign up for a free account to get 5,000 tokens/day. Buy more starting at $1.
Runway Gen-4 Turbo uses state-of-the-art open-source AI models to deliver high-quality results. Your request is processed on our GPU servers and the result is returned in seconds.
No! You can use Runway Gen-4 Turbo immediately without signing up. Creating a free account gives you 2x more daily usage and saves your history.
Anonymous users get 2,500 tokens/day. Free accounts get 5,000 tokens/day. Tokens reset every 24 hours. Each tool costs ~100-5,000 tokens per use depending on the operation.
Your data is processed securely on our servers and is not stored permanently unless you choose to save it. We do not sell or share your data.
Yes! Content generated by Runway Gen-4 Turbo is yours to use for personal and commercial purposes. Our AI models are all commercially licensed.
Runway Gen-4 Turbo on Free.ai delivers comparable quality to paid services using the latest open-source AI models. We believe powerful AI should be accessible to everyone.
Runway Gen-4 Turbo uses best-in-class open-source AI models including Qwen 2.5, FLUX, Whisper, and more. We regularly update to the latest models.
Yes! Runway Gen-4 Turbo works perfectly on mobile devices. Our responsive design adapts to any screen size.
Sign up for a free account to get 5,000 tokens/day (2x more). Or buy token packs starting at $1 for 750,000 tokens. See /pricing/ for all options.
Yes! After generating content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.