{"observation":{"id":"3c8c0c8a-13ae-40cf-ad1d-841db194a417","tool":"akool","tool_name":"AKOOL","criterion":"product-understanding","criterion_name":"Product understanding","criterion_definition":"Whether the tool gets the product right in features and positioning, rather than being generic or inaccurate.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"An ad has to describe the product accurately and position it correctly; generic or wrong messaging breaks the output. (3 of 3 judges)","scenario":"duolingo-mobile-app","scenario_name":"Duolingo – Mobile App","group_tag":"ugc-style-video-ads","scenario_description":"A short-form UGC promo prompt for a consumer mobile app, designed to test whether the tool can explain app benefits simply and persuasively while generating a realistic AI-presenter video.","modality":"mixed","input_text":"Product URL: https://www.duolingo.com/\n\nExact script:\nHook: Learning a new language has never been this easy.\nScript: I've been using Duolingo for a few minutes every day, and it's made language learning simple and fun. The short lessons are easy to follow, and the daily practice keeps me motivated. If you're planning to learn a new language, give Duolingo a try.\n\nOutput requirements:\n- Vertical (9:16)\n- 20–30 seconds\n- UGC-style AI presenter\n- Natural AI voice\n- Captions enabled","input_artifact_refs":[],"stresses":["Mobile app understanding","Consumer app promotion","Script quality","Avatar realism","Voice quality","Caption quality","Overall ad readiness"],"verdict":"struggled","score":null,"score_total":null,"note":"Keeps the language-learning message simple, but the output stays generic and does not make Duolingo feel distinctive.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://cdn.futuresmart.ai/public/aidemos/ada242395b9642fdacde72d4547aafe9.mp4?v=1","role":"output","alt":null}],"run_id":"9fdbb84b-4aa0-484d-8f89-5c46608019a5","study_title":"Generate UGC-Style Video Ads With AI Avatars","study_kind":"generation","research_task":"86baxegpg","tested_at":null,"completeness":"input-and-output","input":{"state":"text","text":"Product URL: https://www.duolingo.com/\n\nExact script:\nHook: Learning a new language has never been this easy.\nScript: I've been using Duolingo for a few minutes every day, and it's made language learning simple and fun. The short lessons are easy to follow, and the daily practice keeps me motivated. If you're planning to learn a new language, give Duolingo a try.\n\nOutput requirements:\n- Vertical (9:16)\n- 20–30 seconds\n- UGC-style AI presenter\n- Natural AI voice\n- Captions enabled","files":[],"modality":"mixed","stresses":["Mobile app understanding","Consumer app promotion","Script quality","Avatar realism","Voice quality","Caption quality","Overall ad readiness"]},"tool_page_slug":"akool","tool_url":"https://aidemos.com/tools/akool","permalink":"https://aidemos.com/evidence/3c8c0c8a-13ae-40cf-ad1d-841db194a417","api_url":"https://ai.aidemos.com/v1/observations/3c8c0c8a-13ae-40cf-ad1d-841db194a417"},"peers":[{"id":"946d7259-1754-4278-b787-f11518190bc8","tool":"creatify-ai","tool_name":"Creatify.ai","verdict":"mixed","score":null,"score_total":null,"note":"For the app input, the ad correctly sold language-learning convenience and daily practice, but the report says the background stayed generic and the Duolingo interface was not clearly shown.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/c2f231a60b8e4009acd41c18a618c58f.mp4?v=1","evidence_url":"https://aidemos.com/evidence/946d7259-1754-4278-b787-f11518190bc8"},{"id":"8c0a2025-1a9c-4901-bf4c-6a1dc599c348","tool":"heygen","tool_name":"HeyGen","verdict":"failed","score":null,"score_total":null,"note":"Product understanding breaks in the B-roll cutaway: the phone screen shows a shopping app ('NEW YORK BAG $219, ADD TO CART') instead of Duolingo or any language-learning interface.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/61d417b345ad4d2ab66fb9eb41648b92.png?v=1","evidence_url":"https://aidemos.com/evidence/8c0a2025-1a9c-4901-bf4c-6a1dc599c348"},{"id":"7a6225f6-e4ba-40b5-b2f7-b5ee9a7ca9ba","tool":"invideo-ai","tool_name":"Invideo AI","verdict":"mixed","score":null,"score_total":null,"note":"The output gets the brand right in the outro card, but the mid-script phone b-roll is generic message-bubble UI rather than an actual Duolingo lesson screen, so product specificity is only partial.","artifact_count":4,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/fd4d673833fa40308e43c13b7b13815e.png?v=1","evidence_url":"https://aidemos.com/evidence/7a6225f6-e4ba-40b5-b2f7-b5ee9a7ca9ba"},{"id":"18b113d7-c45a-4545-84ab-834fcf4baa28","tool":"joggai","tool_name":"JoggAI","verdict":"failed","score":null,"score_total":null,"note":"For an app prompt, the tool can leave out the app completely and produce only an avatar talking to camera, with no screenshot, graphic, or in-video product reference.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/7091a0095a044c99ac097c9e36090b10.png?v=1","evidence_url":"https://aidemos.com/evidence/18b113d7-c45a-4545-84ab-834fcf4baa28"},{"id":"a4316236-44b9-465a-84f0-c9ab5bf6f6f0","tool":"vidnoz-ai","tool_name":"Vidnoz AI","verdict":"worked","score":null,"score_total":null,"note":"Understands a language-learning app well enough to position it around short lessons, daily practice, and simple, fun learning.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/f25b8326c2154e5688b7d75b8d2dc085.mp4?v=1","evidence_url":"https://aidemos.com/evidence/a4316236-44b9-465a-84f0-c9ab5bf6f6f0"}],"other_criteria":[{"id":"762943db-0f98-436c-99f7-ca2389e72d99","criterion":"ad-readiness","criterion_name":"Ad-readiness","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"The export succeeds, but the generic background, flat tone, and lack of app UI mean it is not ready to run unchanged as a paid ad.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/762943db-0f98-436c-99f7-ca2389e72d99"},{"id":"67d03d68-a3e0-4842-b3fb-3d74eed26da6","criterion":"avatar-realism","criterion_name":"Avatar realism","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"The presenter is serviceable, but the avatar still looks moderately AI-generated rather than high-end realistic.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/67d03d68-a3e0-4842-b3fb-3d74eed26da6"},{"id":"45385946-2f98-44ce-a46a-9bb2f436fc45","criterion":"b-roll-product-integration","criterion_name":"B-roll / product integration","rank_role":"decisive","verdict":"failed","score":null,"score_total":null,"note":"Adds no app UI or other product footage at all.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/45385946-2f98-44ce-a46a-9bb2f436fc45"},{"id":"92102361-70c1-4a8d-a50d-e67a18a661a1","criterion":"script-quality-persuasiveness","criterion_name":"Script quality & persuasiveness","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Communicates the app benefits clearly, but the tone is flat and less engaging, so the UGC pitch is only mildly persuasive.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/92102361-70c1-4a8d-a50d-e67a18a661a1"},{"id":"e1c671b1-a7b3-43dc-934e-5e02e99928e0","criterion":"voice-quality","criterion_name":"Voice quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Voice output stays consistent and stable across the video.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/e1c671b1-a7b3-43dc-934e-5e02e99928e0"}],"appears_in":[{"page_type":"ranking","slug":"ugc-video-ad-generators","title":"Best AI Tools for Generating UGC-Style Video Ads With AI Avatars","url":"https://aidemos.com/best/ugc-video-ad-generators","binding":"run"}],"same_scenario":[{"id":"946d7259-1754-4278-b787-f11518190bc8","tool":"creatify-ai","tool_name":"Creatify.ai","verdict":"mixed","score":null,"score_total":null,"note":"For the app input, the ad correctly sold language-learning convenience and daily practice, but the report says the background stayed generic and the Duolingo interface was not clearly shown."},{"id":"8c0a2025-1a9c-4901-bf4c-6a1dc599c348","tool":"heygen","tool_name":"HeyGen","verdict":"failed","score":null,"score_total":null,"note":"Product understanding breaks in the B-roll cutaway: the phone screen shows a shopping app ('NEW YORK BAG $219, ADD TO CART') instead of Duolingo or any language-learning interface."},{"id":"7a6225f6-e4ba-40b5-b2f7-b5ee9a7ca9ba","tool":"invideo-ai","tool_name":"Invideo AI","verdict":"mixed","score":null,"score_total":null,"note":"The output gets the brand right in the outro card, but the mid-script phone b-roll is generic message-bubble UI rather than an actual Duolingo lesson screen, so product specificity is only partial."},{"id":"18b113d7-c45a-4545-84ab-834fcf4baa28","tool":"joggai","tool_name":"JoggAI","verdict":"failed","score":null,"score_total":null,"note":"For an app prompt, the tool can leave out the app completely and produce only an avatar talking to camera, with no screenshot, graphic, or in-video product reference."},{"id":"a4316236-44b9-465a-84f0-c9ab5bf6f6f0","tool":"vidnoz-ai","tool_name":"Vidnoz AI","verdict":"worked","score":null,"score_total":null,"note":"Understands a language-learning app well enough to position it around short lessons, daily practice, and simple, fun learning."}]}