{"observation":{"id":"ca959663-ea8a-4b8b-9cee-60d17e3305d5","tool":"leonardo-ai","tool_name":"Leonardo AI","criterion":"expression-accuracy","criterion_name":"Expression accuracy","criterion_definition":"Whether the emotional tone and facial expression match what was explicitly prompted.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"If the character’s intended emotion or facial expression does not match the prompt, the generated character is not being controlled reliably across scenes. (3 of 3 judges)","scenario":"three-quarter-face-portrait","scenario_name":"Three-quarter face portrait","group_tag":null,"scenario_description":"Three-quarter face reference image with medium-dark skin, tight curly hair in an updo, bindi, and a floral dress. The partial angle and softer lighting make it a harder reference than the frontal portrait and are meant to stress identity consistency.","modality":"image","input_text":null,"input_artifact_refs":[],"stresses":["Identity preservation with partial face angle","Hair texture and updo retention","Skin tone fidelity","Reference-image difficulty under softer lighting"],"verdict":"failed","score":null,"score_total":null,"note":"The same neutral-expression failure repeats on a second reference, so the tool still misses the prompt's angry, guarded tone.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/leonardo-ai-image-95c2a8e685d7.png","role":"input","alt":null},{"url":"https://d3epheqghktydj.cloudfront.net/leonardo-ai-leonardo-input2-interrogation-77a2d0a0c5f5.jpg","role":"output","alt":null}],"run_id":"1dfb8fa4-f7f0-47dc-911b-7db3af467e9a","study_title":"Generate Consistent AI Characters Across Different Scenes and Poses","study_kind":"generation","research_task":"86b96df11","tested_at":null,"completeness":"input-and-output","input":{"state":"not-captured","text":null,"files":[],"modality":"image","stresses":["Identity preservation with partial face angle","Hair texture and updo retention","Skin tone fidelity","Reference-image difficulty under softer lighting"]},"tool_page_slug":"leonardo-ai","tool_url":"https://aidemos.com/tools/leonardo-ai","permalink":"https://aidemos.com/evidence/ca959663-ea8a-4b8b-9cee-60d17e3305d5","api_url":"https://ai.aidemos.com/v1/observations/ca959663-ea8a-4b8b-9cee-60d17e3305d5"},"peers":[{"id":"8b496d76-afd9-4658-b0a0-2b73533010ff","tool":"chatgpt","tool_name":"ChatGPT","verdict":"worked","score":null,"score_total":null,"note":"Delivers the requested cold, guarded, unsmiling expression with the exact vibe the prompt asked for.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/chatgpt-chatgpt-input2-interrogation-c78a75b73445.png","evidence_url":"https://aidemos.com/evidence/8b496d76-afd9-4658-b0a0-2b73533010ff"},{"id":"7d21adab-f4e6-4f0a-9975-37fabe9dc1c2","tool":"gemini","tool_name":"Gemini","verdict":"failed","score":null,"score_total":null,"note":"The tool can miss the requested emotion entirely, producing a neutral and emotionless face instead of the prompted angry and guarded look.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/gemini-input-2-1c4e066a03c3.png","evidence_url":"https://aidemos.com/evidence/7d21adab-f4e6-4f0a-9975-37fabe9dc1c2"},{"id":"9f6dd6f3-855d-4f0a-9535-a5219634595e","tool":"imagineart","tool_name":"ImagineArt","verdict":"worked","score":null,"score_total":null,"note":"The interrogation-room output preserves the reference expression well.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/imagineart-imagineart-input2-interrogation-ce155eab95e8.jpg","evidence_url":"https://aidemos.com/evidence/9f6dd6f3-855d-4f0a-9535-a5219634595e"}],"other_criteria":[{"id":"35aac695-703c-4e69-a46a-714a16e4a073","criterion":"accessory-and-detail-retention","criterion_name":"Accessory & detail retention","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"Dense natural curls are not retained; the tool flattens them into straight, oily-looking hair.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/35aac695-703c-4e69-a46a-714a16e4a073"},{"id":"7f6c2346-13f2-4233-9c20-368f93acf245","criterion":"accessory-and-detail-retention","criterion_name":"Accessory & detail retention","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"It preserves curl volume and hair texture better in the market scene than it does in the interrogation scene.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/7f6c2346-13f2-4233-9c20-368f93acf245"},{"id":"0e624844-5118-4e3d-93d1-93104ff79bc8","criterion":"identity-preservation","criterion_name":"Identity preservation","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"On a harder 3/4 reference, it can keep face shape, skin tone and eyebrows close, but the hair geometry drifts enough that the result is only partly faithful.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/0e624844-5118-4e3d-93d1-93104ff79bc8"},{"id":"5846aa66-eaa9-4e03-ab34-910182cf41f4","criterion":"identity-preservation","criterion_name":"Identity preservation","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"When the face is turned partly away in a busy scene, the output still feels like the same character but cannot be fully verified.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/5846aa66-eaa9-4e03-ab34-910182cf41f4"},{"id":"20c6ad99-1b5e-4ad0-9a15-b1c8e13515d7","criterion":"scene-compliance","criterion_name":"Scene compliance","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"It can stage a lively crowded market with a natural walking pose, sari styling and believable bag placement.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/20c6ad99-1b5e-4ad0-9a15-b1c8e13515d7"},{"id":"a521b745-9184-4730-a21e-2de63e95e68f","criterion":"scene-compliance","criterion_name":"Scene compliance","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"It reproduces the formal outfit and room, but the lighting becomes too bright and clean for an interrogation scene.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/a521b745-9184-4730-a21e-2de63e95e68f"}],"appears_in":[{"page_type":"ranking","slug":"consistent-ai-characters","title":"Best AI Tools for Consistent AI Characters Across Scenes and Poses","url":"https://aidemos.com/best/consistent-ai-characters","binding":"run"}],"same_scenario":[{"id":"8b496d76-afd9-4658-b0a0-2b73533010ff","tool":"chatgpt","tool_name":"ChatGPT","verdict":"worked","score":null,"score_total":null,"note":"Delivers the requested cold, guarded, unsmiling expression with the exact vibe the prompt asked for."},{"id":"7d21adab-f4e6-4f0a-9975-37fabe9dc1c2","tool":"gemini","tool_name":"Gemini","verdict":"failed","score":null,"score_total":null,"note":"The tool can miss the requested emotion entirely, producing a neutral and emotionless face instead of the prompted angry and guarded look."},{"id":"9f6dd6f3-855d-4f0a-9535-a5219634595e","tool":"imagineart","tool_name":"ImagineArt","verdict":"worked","score":null,"score_total":null,"note":"The interrogation-room output preserves the reference expression well."}]}