Captions are present and advance with the copy, but the report does not separately verify timing or styling on this input beyond the visible subtitle progression.
What was measured
Caption quality
Accurate, well-timed captions with appropriate, on-trend styling.
decisive for this rankingtransformation
Accurate, well-timed captions are part of the finished ad and affect clarity and performance on social platforms. (3 of 3 judges)
What was given, what came back
Test input: Nike Pegasus 41 – Physical Product · mixed · group: ugc-style-video-ads
Input — what we sent
Input, verbatim
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 testimonial prompt for a physical consumer product, designed to test product comprehension, believable praise for a running shoe, and ad-style video generation quality.
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, 5 other criteria
Ad-readiness◐ MixedThe output is close to shippable, but the mismatched runner undercuts the "I've been wearing these" testimonial premise enough that it still needs review before paid use.Avatar realism✓ WorkedThe on-camera presenter reads as a believable real person with a clean UGC look, and the report notes natural hand rendering and consistent identity throughout the clip.B-roll / product integration◐ MixedThe ad includes relevant running B-roll timed to the copy, but the runner shown is a visibly different person from the presenter, so the first-person testimonial premise is only partly preserved.Product understanding✓ WorkedThe tool correctly renders a gray Nike Pegasus shoe with the swoosh, colorway, and AIR ZOOM sole detail, matching the product prompt instead of generic running shoes.Script quality & persuasiveness✓ WorkedThe full script plays through naturally to the final word "considering," so the testimonial read is complete and holds together as a short-form ad script.
Provenance
- Observation
- ada57817-d6ac-4380-b6a7-10fc7063f7ab
- Evidence run
- 9fdbb84b-4aa0-484d-8f89-5c46608019a5
- 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: "invideo-ai",
scenario: "ugc-style-video-ads"
})MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Same input, same check — 3 other tools
measured on Caption quality
HeyGen✓ WorkedCaptions run throughout the Nike clip, and the output shows subtitles advancing with the spoken lines instead of disappearing mid-video.JoggAI✗ FailedThe tool can export a clip with zero on-screen captions for the full 15.8 seconds, leaving the short-form ad uncaptioned.Topview AI✓ WorkedCaptions were generated automatically and were readable.
This evidence is published in
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com