{"source":"Quelle IA, le classement des modèles de langage","page":"https://quelleia.com/modeles/grok-4-20-beta-0309/","edition":"2026-W40","date":"2026-09-28","echelle":"Score IA : 100 pour le meilleur modèle au lancement du site, 50 pour GPT-4o de novembre 2024. bas et haut bornent l'intervalle à 90 %.","licence":"Réutilisation libre en citant « Quelle IA, quelleia.com » et la date de l'édition. Les mesures renvoient à leurs sources d'origine.","modele":{"liens":[{"type":"essayer","libelle":"Essayer sur Grok","url":"https://grok.com"},{"type":"api","libelle":"Documentation de l'API (xAI)","url":"https://docs.x.ai"},{"type":"editeur","libelle":"Site de l'éditeur (xAI)","url":"https://x.ai"}],"id":"grok-4-20-beta-0309","nom":"Grok 4.20 Beta (0309)","editeur":"xAI","pays":"États-Unis","date_sortie":"2026-03-09","nouveau":false,"poids_ouverts":false,"acces":null,"licence":null,"local":null,"prix_eur_par_million":{"entree":1.76,"sortie":5.27},"hebergeable_ue":null,"classe_energie":null,"contexte_jetons":2000000,"entrees":["text","image"],"niveaux_reflexion":null,"connaissances_jusqu_a":null,"general":{"score":78.5,"bas":71.1,"haut":85.8,"mesures":8,"poids_couvert":70,"sources":1,"provisoire":true,"historique":false},"taches":{"code":{"score":81.1,"bas":72.9,"haut":89.3,"mesures":1,"benchmarks_tache":13,"couverture":8,"provisoire":true},"usage":{"score":81.9,"bas":73.7,"haut":90,"mesures":1,"benchmarks_tache":1,"couverture":100,"provisoire":false,"rang":52},"maths":{"score":80.6,"bas":72.3,"haut":88.8,"mesures":1,"benchmarks_tache":8,"couverture":12,"provisoire":true},"sciences":{"score":79.8,"bas":71.6,"haut":88,"mesures":1,"benchmarks_tache":5,"couverture":20,"provisoire":true},"francais":{"score":82.6,"bas":74.4,"haut":90.9,"mesures":1,"benchmarks_tache":10,"couverture":25,"provisoire":true},"vision":{"score":80.3,"bas":72.1,"haut":88.5,"mesures":1,"benchmarks_tache":3,"couverture":33,"provisoire":true},"ecriture":{"score":82.4,"bas":74.2,"haut":90.6,"mesures":1,"benchmarks_tache":1,"couverture":100,"provisoire":false,"rang":54},"web":{"score":75.9,"bas":70.9,"haut":80.8,"mesures":1,"benchmarks_tache":1,"couverture":100,"provisoire":false,"rang":77}},"reflexions_mesurees":["elevee"],"harnais_mesures":[],"mesures":[{"benchmark":"arena_francais","tache":"francais","etat":"actif","score_publie":1503.4,"score_0_1":0.6096,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":87.5},{"benchmark":"arena_ecriture","tache":"ecriture","etat":"actif","score_publie":1445.7,"score_0_1":0.6059,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":86.9},{"benchmark":"arena_texte","tache":"usage","etat":"actif","score_publie":1471.6,"score_0_1":0.5988,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":86},{"benchmark":"arena_code","tache":"code","etat":"actif","score_publie":1510.7,"score_0_1":0.5904,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":83.9},{"benchmark":"arena_maths","tache":"maths","etat":"actif","score_publie":1465.3,"score_0_1":0.5877,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":82.9},{"benchmark":"arena_expert","tache":"sciences","etat":"actif","score_publie":1477.7,"score_0_1":0.5788,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":81},{"benchmark":"arena_vision","tache":"vision","etat":"actif","score_publie":1255.6,"score_0_1":0.5425,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-28","source":"https://arena.ai/leaderboard","niveau_suggere":82.4},{"benchmark":"arena_webdev","tache":"web","etat":"actif","score_publie":1374.1,"score_0_1":0.4067,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":75.5}]}}