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2026-04-02

AI Video Duration Guide: From 4-Second Clips to 60-Second Films

Understand NanoBanana AI's flexible video duration system. Learn which length works best for your project, credit costs, and tips for each duration tier.

NanoBanana AI offers five video duration options, giving you full control over the length and cost of your AI-generated videos. Whether you need a quick social media loop or a cinematic one-minute film, there is a duration tier that fits your creative needs and budget.

The Five Duration Tiers

4 Seconds (4 credits): Perfect for social media loops, GIF replacements, animated thumbnails, and quick concept tests. Four seconds might sound short, but it is ideal for eye-catching Instagram Reels intros, product teasers, and attention-grabbing ads. Use 4-second clips to test your prompt before committing to longer generations.

8 Seconds (8 credits): The sweet spot for most social content. Long enough to tell a micro-story, show a product in action, or create a satisfying visual sequence. Eight seconds works great for TikTok hooks, YouTube Shorts intros, and email marketing animations. This is the default duration and the most popular choice among creators.

15 Seconds (15 credits): Ideal for complete short-form video content. You can establish a scene, develop an action, and conclude it in 15 seconds. Perfect for Instagram Reels, product demonstrations, explainer snippets, and branded content. This is where AI video starts to feel like professional production.

30 Seconds (30 credits): Commercial-length content. Thirty seconds gives you room for narrative structure: setup, development, and payoff. Use this for ad concepts, presentation B-roll, cinematic establishing shots, and training materials. The AI has enough time to create smooth, complex camera movements and detailed scenes.

60 Seconds (60 credits): Full short-film territory. One minute of AI-generated video is remarkable for storytelling, documentary-style content, music video sequences, and cinematic showcases. The AI maintains visual consistency across the full minute, delivering professional-grade output suitable for client presentations and public campaigns.

Credit System: Simple and Transparent

NanoBanana AI uses a straightforward pricing model: 1 credit equals 1 second of video. No hidden multipliers, no confusing tiers. A 4-second video costs 4 credits. A 60-second video costs 60 credits. Style transfer adds a flat 5 credits to any duration. Mood music in storyboard mode adds 5 credits to the total.

Which Duration Should You Choose?

Start short and iterate. Generate a 4-second test to make sure your prompt produces the visual style you want. Then scale up to 8 or 15 seconds for your final output. Only use 30 or 60 seconds when you have confirmed the concept works at shorter lengths.

Your plan includes video credits: Starter gets 30 credits per day (enough for 3-7 short videos), Professional gets 150 credits per month, and Enterprise gets 500 credits per month. All plans support all five duration options up to 60 seconds.

Start creating AI videos at any length -- sign up free and get 3 credits today. See all plans for video credits.

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