The voice sounds smooth, clear, and confident, which fits product-promotion content.
What was measured
Voice quality
Whether the generated voice sounds natural, matches the avatar, uses correct emphasis, and feels like a convincing real creator.
decisive for this rankingtransformation
A UGC ad depends on a natural-sounding creator voice; robotic delivery or bad emphasis directly undermines the ad’s effectiveness. (3 of 3 judges)
What was given, what came back
Test input: Nike Pegasus 41 – Physical Product · text
Input — what we sent
The exact prompt
Product URL: https://www.nike.com/t/pegasus-41-mens-road-running-shoes-LMhrRG/FD2722-002 Exact Script Hook: These are my new favorite running shoes. Script: I've been wearing the Nike Pegasus 41 for my daily runs, and they've been incredibly comfortable from day one. They're lightweight, well-cushioned, and great for everyday training. If you're looking for dependable running shoes, they're definitely worth considering. Output Requirements - Vertical (9:16) - 20–30 seconds - UGC-style AI presenter - Natural AI voice - Captions enabled
A short-form UGC-style testimonial ad prompt for a physical consumer product, designed to test product presentation, believable endorsement, and ad generation quality for e-commerce footwear.
Why this input is hard
- · physical product understanding
- · UGC testimonial quality
- · product presentation
- · avatar realism
- · voice quality
- · commercial ad readiness
Output — unretouched
Also checked on this input — same tool, 6 other criteria
Ad-readiness◐ MixedThe output is vertically formatted and downloadable, but the free-plan watermark and limited product emphasis keep it from being fully ready as a paid ad without review.Avatar realism✓ WorkedThe presenter looks human-like and engaging enough for a fitness product ad, and the lip movements stay naturally aligned with the voice.Caption quality✓ WorkedSubtitles are generated accurately and remain synchronized with the speech.Platform formats✓ WorkedThe generator outputs a short-form vertical video in 9:16 format suitable for TikTok, Reels, and Shorts.Product understanding◐ MixedThe tool can handle a physical consumer product, but the generated video stayed more avatar-centered than product-centered and felt somewhat template-based for the fitness audience.Script quality & persuasiveness✓ WorkedThe delivery style and pacing match a typical UGC fitness/product review video, so the script reads as a believable testimonial rather than a brochure.
Provenance
- Observation
- 7d15d4cc-3121-475a-b944-df0812efd0f2
- Evidence run
- f91a51ec-b400-46fe-97f5-7e779fe17532
- Study
- Generate UGC-Style Video Ads With AI Avatars
- Research task
- 86baxegpg
- Tested at
- not recorded
- Source
- first-party
- Evidence state
- verified
- Proof shown
- input + output shown
- Cost / latency
- not captured
- Repeat run
- not captured
- Tester
- not captured
The last three rows are honest blanks, not placeholders — our capture has no field for them yet.
Query this
get_evidence({
tool: "creatify-ai"
})MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Same input, same check — 4 other tools
measured on Voice quality
Synthesia✓ WorkedThe voice clarity and pacing were strong, making the spoken delivery easy to follow.Topview AI◐ MixedAudio is clear and consistent, but the low-energy delivery lacks the enthusiasm expected in a product ad.VEED✓ WorkedVoice delivery stayed stable and natural throughout the video.Vidnoz AI✓ WorkedThe narration remains stable and easy to understand throughout the product ad.
This evidence is published in
From the same study (page rebuilt from a later run)
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com