In today’s marketing landscape, agility is everything. Brands no longer have months to plan, produce, and refine campaigns. Consumer attention moves fast — and your creative process needs to move faster.
That’s where AI video tools come into play. With platforms like Pencil (an AI creative engine for ad production) and ChatGPT (a language model for ideation and copywriting), you can now generate, produce, and test video ads at lightning speed — without sacrificing quality or brand alignment.
This post breaks down, step-by-step, how to use Pencil and ChatGPT together to streamline your video advertising workflow: from writing the perfect script, to creating AI-generated videos, to running performance-driven split tests.
Why AI-Powered Video Ad Creation Is a Game-Changer
Traditional video ad production is expensive and time-consuming. Between brainstorming concepts, writing copy, hiring talent, editing, and running tests, you could easily spend weeks — and thousands of dollars — before seeing a single performance metric.
AI tools flip that equation.
- ChatGPT can brainstorm creative directions, write ad scripts, and tailor messaging for different audiences or products in seconds.
- Pencil can then turn those scripts into fully produced AI videos, complete with visuals, animations, and voiceovers — ready to publish and test.
Together, they enable rapid creative iteration — the ability to generate dozens of ad variants, analyze what works, and double down on the best performers.
Think of it as moving from “creative intuition” to creative intelligence — where data and imagination meet in real time.
Step 1: Write the Script with ChatGPT
Every great video ad starts with a powerful message — and that begins with the script.
Whether you’re selling a skincare product, an online course, or a SaaS tool, your script should do three things:
- Hook attention quickly
- Present a clear problem and solution
- End with a strong call to action
ChatGPT can help you do exactly that.
- Define Your Objective
Before asking ChatGPT to write anything, clearly define your campaign goal. For example:
- Objective: Drive sign-ups for a free trial
- Target audience: Small business owners aged 25–45
- Tone: Friendly, confident, and modern
- Video length: 15 seconds
When you include these details in your prompt, you give ChatGPT enough context to produce scripts that sound professional and on-brand.
Example prompt:
“Write a 15-second video ad script for a SaaS company that helps small businesses automate their invoices. Make it conversational, start with a problem, and end with a strong CTA.”
- Generate Multiple Script Variations
Don’t stop at one. Ask ChatGPT to create five different versions of the script. Each variation might use a different emotional appeal — urgency, humor, trust, or curiosity.
Example variations:
- A humorous take: “Still chasing clients for payments? Stop running — let automation do it for you.”
- A credibility-focused one: “Over 10,000 businesses save hours weekly with our smart invoicing platform.”
- Refine with Feedback
Once you have your drafts, refine them by asking ChatGPT follow-ups like:
- “Make version 2 more conversational.”
- “Add a storytelling angle to version 3.”
- “Shorten this script to fit a 10-second ad.”
This process ensures your script is polished and precise before it ever reaches production.
Step 2: Create the AI Video in Pencil
With your script finalized, it’s time to bring it to life. Pencil specializes in transforming text into compelling AI-generated video ads. It’s designed specifically for marketers, meaning you don’t need design or video-editing experience to produce professional-looking results.
- Upload or Paste Your Script
Once you log in to Pencil, start a new project and paste your chosen ChatGPT script into the text field. The AI will automatically interpret your message, tone, and structure.
You can also select:
- Ad format: 1:1 for Instagram, 9:16 for TikTok, or 16:9 for YouTube.
- Brand kit: Upload your logo, fonts, and color palette so every video stays consistent with your brand identity.
- Visual style: Choose between realistic footage, animated templates, or abstract motion design.
- Let Pencil Generate Drafts
Click “Generate” and watch Pencil create video options based on your script. In seconds, you’ll see multiple variations with different visuals, pacing, and voiceovers.
Each video version might highlight different aspects of your message. For instance:
- One might use lifestyle clips showing people using your product.
- Another might emphasize bold typography and upbeat music.
- A third might feature a calmer, trust-based narrative.
This is where the magic happens — instead of spending hours in editing software, you instantly get diverse, data-backed creative options.
- Customize and Fine-Tune
You can manually tweak any part of the AI video:
- Replace visuals with your own footage
- Change background music or voice style
- Adjust text overlays or captions
- Edit transitions or duration
Pencil’s real-time preview makes it easy to iterate quickly until your ad looks just right.
- Generate Multiple Variants
To prepare for testing, you’ll want several versions of your ad — ideally 3–5 variants. Each one can emphasize a different angle (price, benefits, social proof, or emotional appeal).
Ask ChatGPT to slightly tweak your copy for each variation, then feed those updated scripts into Pencil to generate new videos automatically.
Step 3: Run Split Tests and Analyze Results
Now that you’ve created a set of AI-generated ads, it’s time to see which performs best. Testing is what separates creative guesswork from scientific marketing.
- Set Up Your Split Test
Upload your AI videos into your chosen ad platform — Facebook Ads Manager, Google Ads, TikTok Ads, or any other channel. Create a split test (also called an A/B test) where each ad variant runs with the same:
- Budget
- Audience
- Placement
- Duration
This ensures performance differences are due to the creative itself — not targeting or timing.
- Monitor Key Metrics
Track metrics that reflect your campaign goals, such as:
- CTR (Click-Through Rate): Measures how well your ad captures attention.
- CPC (Cost per Click): Shows cost efficiency.
- CPA (Cost per Acquisition): Indicates conversion effectiveness.
- View-through rate: Measures engagement and completion of video views.
Many marketers make the mistake of only looking at clicks — but your most “clicked” ad isn’t always your most profitable one. Look holistically at results to identify true performance winners.
- Identify Creative Winners and Learn
After running the test for several days, you’ll have enough data to determine which video resonates most. Pencil can even integrate with ad platforms to analyze performance patterns and suggest which creative elements (color, tone, music, CTA) influenced engagement.
Use these insights to:
- Scale up winning ads with increased budget
- Refine underperforming versions with new AI-generated tweaks
- Build predictive models for future campaigns
Over time, your AI-powered system becomes smarter. You’re no longer just testing ads — you’re training your creative engine to predict what your audience loves.
The Power of Combining ChatGPT + Pencil
Let’s pause and reflect on what this workflow accomplishes:
| Step | Tool | Output |
| 1 | ChatGPT | Engaging, tailored ad scripts |
| 2 | Pencil | Fully rendered AI video ads |
| 3 | Ad Platform | Real-world performance data |
By combining these tools, you turn your marketing process into a creative feedback loop:
- Generate ideas with AI (ChatGPT)
- Produce content instantly (Pencil)
- Validate with real performance data
- Feed insights back into the next round
This cycle transforms how marketing teams work. Instead of spending weeks producing one campaign, you can create, test, and iterate dozens of variations in a single day.
Tips for Maximizing Results
- Keep videos short. 6–15 seconds typically perform best for social platforms.
- Prioritize your hook. The first 2 seconds determine whether viewers stay.
- Use emotion strategically. Humor, surprise, and empathy drive retention.
- Track patterns over time. Pencil’s AI will reveal which creative traits (color, tone, text density) consistently perform.
- Iterate relentlessly. The real edge isn’t one perfect ad — it’s the speed of improvement.
Conclusion
The future of advertising isn’t about replacing human creativity — it’s about accelerating it.
By using ChatGPT to craft compelling ad scripts and Pencil to transform them into beautiful AI-generated videos, you’re combining the best of both worlds: the human mind’s storytelling instincts and machine intelligence’s production speed.
The process — script → create AI video → run split tests — allows marketers to test more ideas, learn faster, and scale only what works.
In a world where creative fatigue hits faster than ever, that’s not just efficient. It’s revolutionary.
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