{"caveat":"A displayed rounded 26.0 does not independently establish exact completeness. Verify recall and precision.","certified_results_reference":{"note":"External certification status has not been verified by this API response.","provider":"Bantu Capability Index (BCI)","url":"https://bantucapabilityindex.com"},"edition":"v1.1","model":{"abc_test":{"reference":{"english":"PASS","pinyin_base":"FAIL","pinyin_toned":"FAIL"},"required":{"bemba":"FAIL","kinyarwanda":"FAIL","luvale":"FAIL"},"rule":"PASS only if Bemba, Kinyarwanda and Luvale (blind) each PASS; FAIL if any completed one fails; otherwise N_A. Never derived from the mean.","status":"FAIL"},"bantu_blind_mean":15.1,"bem":15.7,"bem_scaf":26.0,"certified_by":"BCI","country":"US","english":26.0,"evaluated":"2026-10-14","key":"gemini4argon","kin":18.0,"kin_scaf":26.0,"license":"proprietary","lue":11.6,"lue_scaf":26.0,"mean_mastery_status":"not_a_mastery_claim","model":"Gemini 4 Argon","org":"Google","pinyin_base":25.5,"pinyin_toned":24.2,"released":"2026-10-13","reps":5,"tracks":{"bemba":{"abc_reason":"below 26 \u2014 at least one missing or invented unit","abc_test":"FAIL","mastery_status":"not_mastered","score_26":15.7},"kinyarwanda":{"abc_reason":"below 26 \u2014 at least one missing or invented unit","abc_test":"FAIL","mastery_status":"not_mastered","score_26":18.0},"luvale":{"abc_reason":"below 26 \u2014 at least one missing or invented unit","abc_test":"FAIL","mastery_status":"not_mastered","score_26":11.6}}}}