Produce production-ready shots faster with Gen-4 Turbo—without the workflow overhead
Gen-4 Turbo is Runway’s Gen-4–series AI video generation model, released on April 7, 2025 . It’s built for image-to-video creation: you provide a required input image plus a text prompt, and the model generates a short clip from that visual starting point . In Runway’s Gen-4 family, the Turbo variant is positioned for faster iteration at a lower credit cost than standard Gen-4 .
Gen-4 Turbo supports short, structured generations—ideal for story beats, shot exploration, and rapid A/B testing of motion direction. In Runway’s Gen-4 Video tool, Turbo supports 5-second and 10-second durations , outputs at 24fps , and renders 720p-class frame sizes across multiple aspect ratios (e.g., 1280×720, 720×1280, 960×960, 1584×672, 1104×832, 832×1104) . For repeatable iteration, Runway also exposes a “Fixed seed” option to keep motion/style more consistent across reruns when you’re dialing in a shot .
Vidofy.ai makes Gen-4 Turbo feel like a production tool instead of a science project: pick the model, drop in your reference image, write camera-direction prompts, and iterate quickly—without managing multiple subscriptions, juggling separate UIs, or re-learning settings across different providers. If you’re building a repeatable content pipeline (ads, reels, story animatics, product motion), Vidofy is the fastest path from “concept” to “exportable clip.”
Speed vs. Control: Gen-4 Turbo vs Pika 2.2 on Vidofy
Both Gen-4 Turbo and Pika 2.2 are built for modern AI video creation—short, prompt-driven clips you can iterate on quickly. The biggest practical differences come down to input workflow (image-led vs prompt-led), output constraints, and how each model exposes controllability through settings and endpoints.
| Feature/Spec | Gen-4 Turbo | Pika 2.2 |
|---|---|---|
| Model category | Video generation (image-to-video) | Video generation (text-to-video + image-to-video endpoints) |
| Input requirements | Input image required + text prompt | Text prompt for text-to-video; image URL + prompt for image-to-video |
| Output resolution options | 720p-class outputs with multiple fixed sizes (e.g., 1280×720, 720×1280, 960×960, 1584×672, 1104×832, 832×1104) | 720p or 1080p |
| Supported duration options | 5 seconds or 10 seconds | 5–10 seconds (configurable) |
| Aspect ratios | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 | 7 formats: 16:9, 9:16, 1:1, 4:5, 5:4, 3:2, 2:3 |
| Pricing basis (official docs) | 5 credits per second | $0.20 per 5-second video (720p) or $0.45 per 5-second video (1080p) |
| Accessibility | Instant on Vidofy | Pika 2.2 Also availabe on Vidofy |
Detailed Analysis
Analysis: Image-led control vs prompt-led exploration
Gen-4 Turbo is explicitly designed around an image-first workflow: you lock composition, subject design, and art direction with a reference image, then use the prompt primarily to describe motion, camera behavior, and scene dynamics. That makes it especially effective for creators who already have frames (product shots, key art, thumbnails, character stills) and want reliable motion exploration.
Pika 2.2 is broader in how you can start—text-only for concept exploration, or image-based for continuity. On Vidofy, this means you can choose the model based on whether you’re starting from a concrete visual frame (Gen-4 Turbo) or exploring multiple concepts quickly from text (Pika 2.2).
Analysis: Operational predictability for iteration-heavy teams
When you’re iterating at scale, predictability matters more than hype: fixed duration options, known output sizing, and clear cost mechanics help teams plan shot lists and batch workflows. Gen-4 Turbo’s settings are straightforward for repeatable iteration within the Gen-4 Video tool, and it’s positioned specifically as the “iterate fast” companion to higher-cost, higher-quality options in the same ecosystem.
Vidofy’s advantage is that you can run both sides of this workflow in one place—prototype quickly, compare outputs side-by-side, and standardize your prompting patterns across models without rebuilding your process every time you switch providers.
Verdict: Choose Gen-4 Turbo when your reference frame is the truth
How It Works
Follow these 3 simple steps to get started with our platform.
Step One: Choose Gen-4 Turbo on Vidofy
Select Gen-4 Turbo in Vidofy’s model picker so your session is optimized for image-to-video iteration.
Step Two: Add a reference image + write camera-direction prompts
Upload your starting frame, then describe motion and camera behavior (push-in, orbit, tracking, handheld feel) so the model animates the scene the way you’d shoot it.
Step Three: Iterate, compare takes, and export
Run multiple variations, keep the strongest take, then export your clip for editing, compositing, or posting—without leaving Vidofy.
Frequently Asked Questions
What is Gen-4 Turbo?
Gen-4 Turbo is Runway’s Gen-4–series AI video generation model for image-to-video creation (input image required), positioned as a faster and more credit-efficient option for iteration .
When was Gen-4 Turbo released?
Runway lists Gen-4 Turbo as launching on April 7, 2025 .
Can Gen-4 Turbo do text-to-video without an image?
Not verified in official sources (latest check)
What durations and frame rate does Gen-4 Turbo support?
In Runway’s Gen-4 Video tool, Gen-4 Turbo supports 5-second and 10-second generations and outputs at 24fps .
What resolutions and aspect ratios can I generate with Gen-4 Turbo?
Runway documents Gen-4 Turbo output sizes for multiple aspect ratios: 16:9 (1280×720), 9:16 (720×1280), 1:1 (960×960), 4:3 (1104×832), 3:4 (832×1104), and 21:9 (1584×672) .
How do credits work for Gen-4 Turbo, and is there a free option?
Runway documents Gen-4 Turbo at 5 credits per second in the Gen-4 Video tool , and Runway’s pricing page states its Free plan includes 125 one-time credits, described as 25 seconds of Gen-4 Turbo or Gen-3 Alpha Turbo . Vidofy may have separate pricing/credits for access—check Vidofy’s plan page for current details.