{"source":"Quelle IA, le classement des modèles de langage","page":"https://quelleia.com/modeles/grok-4-5/","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":"openrouter","libelle":"Utiliser par API sur OpenRouter","url":"https://openrouter.ai/x-ai/grok-4.5"},{"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-4-5","nom":"Grok 4.5","editeur":"xAI","pays":"États-Unis","date_sortie":"2026-07-08","nouveau":false,"poids_ouverts":false,"acces":"API access","licence":null,"local":null,"prix_eur_par_million":{"entree":1.76,"sortie":5.27},"hebergeable_ue":null,"classe_energie":null,"contexte_jetons":500000,"entrees":["text","image","pdf"],"niveaux_reflexion":["low","medium","high"],"connaissances_jusqu_a":null,"general":{"score":87.3,"bas":85.4,"haut":89.3,"mesures":31,"poids_couvert":100,"sources":24,"provisoire":false,"historique":false,"rang":30,"groupe":5},"taches":{"raisonnement":{"score":86,"bas":83.8,"haut":88.3,"mesures":6,"benchmarks_tache":9,"couverture":67,"provisoire":false,"rang":29},"code":{"score":90.7,"bas":86.3,"haut":95.1,"mesures":6,"benchmarks_tache":13,"couverture":46,"provisoire":false,"rang":14},"agents":{"score":88.9,"bas":84.1,"haut":93.7,"mesures":3,"benchmarks_tache":9,"couverture":33,"provisoire":true},"usage":{"score":86.3,"bas":78.1,"haut":94.4,"mesures":1,"benchmarks_tache":1,"couverture":100,"provisoire":false,"rang":30},"maths":{"score":85,"bas":83.4,"haut":86.5,"mesures":5,"benchmarks_tache":8,"couverture":62,"provisoire":false,"rang":32},"sciences":{"score":88.6,"bas":84.7,"haut":92.6,"mesures":4,"benchmarks_tache":5,"couverture":80,"provisoire":false,"rang":17},"francais":{"score":85,"bas":76.8,"haut":93.2,"mesures":1,"benchmarks_tache":10,"couverture":25,"provisoire":true},"vision":{"score":88.1,"bas":83.3,"haut":93,"mesures":3,"benchmarks_tache":3,"couverture":100,"provisoire":false,"rang":19},"ecriture":{"score":87.6,"bas":79.4,"haut":95.8,"mesures":1,"benchmarks_tache":1,"couverture":100,"provisoire":false,"rang":28},"web":{"score":87.6,"bas":82.4,"haut":92.8,"mesures":1,"benchmarks_tache":1,"couverture":100,"provisoire":false,"rang":32}},"reflexions_mesurees":["elevee","faible","moyenne"],"harnais_mesures":["Cursor CLI","grok-build","mini-SWE-agent"],"mesures":[{"benchmark":"otis_mock_aime_2024_2025","tache":"maths","etat":"sature","score_publie":0.9777777777777776,"score_0_1":0.9778,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-07-08","source":"https://epoch.ai/benchmarks","niveau_suggere":88.2},{"benchmark":"dtbench","tache":"raisonnement","etat":"sature","score_publie":0.9653,"score_0_1":0.9422,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://conceptualreasoning.ai/dtbench","niveau_suggere":101.7},{"benchmark":"gpqa_diamond","tache":"sciences","etat":"actif","score_publie":0.9343434343434344,"score_0_1":0.9125,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-07-08","source":"https://epoch.ai/benchmarks","niveau_suggere":88.3},{"benchmark":"arc_agi","tache":"raisonnement","etat":"sature","score_publie":0.8717,"score_0_1":0.8717,"reflexion":"moyenne","harnais":null,"provenance":"externe","date":null,"source":"https://arcprize.org/leaderboard","niveau_suggere":85.3},{"benchmark":"arc_agi","tache":"raisonnement","etat":"sature","score_publie":0.8567,"score_0_1":0.8567,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://arcprize.org/leaderboard","niveau_suggere":84.5},{"benchmark":"arc_agi","tache":"raisonnement","etat":"sature","score_publie":0.7917000000000001,"score_0_1":0.7917,"reflexion":"faible","harnais":null,"provenance":"externe","date":null,"source":"https://arcprize.org/leaderboard","niveau_suggere":81.8},{"benchmark":"surface_evolver_bench","tache":"sciences","etat":"sature","score_publie":0.74375,"score_0_1":0.7438,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://yhenon.github.io/surface-evolver-llm-eval/","niveau_suggere":89.9},{"benchmark":"arena_webdev","tache":"web","etat":"actif","score_publie":1552,"score_0_1":0.6562,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":87.6},{"benchmark":"gbaeval","tache":"code","etat":"actif","score_publie":0.6541267565853209,"score_0_1":0.6541,"reflexion":"inconnue","harnais":null,"provenance":"externe","date":null,"source":"https://gbaeval.com/model/grok-4-5","niveau_suggere":92.1},{"benchmark":"simplebench","tache":"raisonnement","etat":"actif","score_publie":0.7000000000000001,"score_0_1":0.64,"reflexion":"inconnue","harnais":null,"provenance":"externe","date":null,"source":"https://lmcouncil.ai/benchmarks","niveau_suggere":90.3},{"benchmark":"arena_ecriture","tache":"ecriture","etat":"actif","score_publie":1450.9,"score_0_1":0.613,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":88.1},{"benchmark":"arena_maths","tache":"maths","etat":"actif","score_publie":1472.8,"score_0_1":0.5982,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":84.4},{"benchmark":"arena_expert","tache":"sciences","etat":"actif","score_publie":1489.6,"score_0_1":0.5954,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":83.3},{"benchmark":"arena_code","tache":"code","etat":"actif","score_publie":1513.6,"score_0_1":0.5944,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":84.5},{"benchmark":"arena_texte","tache":"usage","etat":"actif","score_publie":1465.8,"score_0_1":0.5908,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":84.6},{"benchmark":"arena_francais","tache":"francais","etat":"actif","score_publie":1479.8,"score_0_1":0.5768,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-30","source":"https://arena.ai/leaderboard","niveau_suggere":82.4},{"benchmark":"arena_vision","tache":"vision","etat":"actif","score_publie":1278.7,"score_0_1":0.5753,"reflexion":"inconnue","harnais":null,"provenance":"independant","date":"2026-09-28","source":"https://arena.ai/leaderboard","niveau_suggere":87.8},{"benchmark":"frontiermath_tiers_1_3_v2","tache":"maths","etat":"actif","score_publie":0.5719298245614035,"score_0_1":0.5719,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-07-09","source":"https://epoch.ai/benchmarks","niveau_suggere":84},{"benchmark":"apex_agents","tache":"agents","etat":"actif","score_publie":0.562,"score_0_1":0.562,"reflexion":"inconnue","harnais":null,"provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":90.9},{"benchmark":"scicode","tache":"code","etat":"actif","score_publie":0.540509259259259,"score_0_1":0.5405,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://artificialanalysis.ai/evaluations/scicode","niveau_suggere":88},{"benchmark":"deepswe","tache":"code","etat":"actif","score_publie":0.5376106194690266,"score_0_1":0.5376,"reflexion":"elevee","harnais":"mini-SWE-agent","provenance":"externe","date":null,"source":"https://deepswe.datacurve.ai/","niveau_suggere":87.7},{"benchmark":"lmca","tache":"raisonnement","etat":"actif","score_publie":45.2,"score_0_1":0.5318,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://conceptualreasoning.ai/lmca","niveau_suggere":84.2},{"benchmark":"arc_agi_2","tache":"raisonnement","etat":"sature","score_publie":0.5264,"score_0_1":0.5264,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":85.5},{"benchmark":"arc_agi_2","tache":"raisonnement","etat":"sature","score_publie":0.5264,"score_0_1":0.5264,"reflexion":"moyenne","harnais":null,"provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":85.5},{"benchmark":"vending_bench_2","tache":"agents","etat":"actif","score_publie":3887.425999999999,"score_0_1":0.4951,"reflexion":"inconnue","harnais":null,"provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":87},{"benchmark":"simpleqa_verified","tache":"donnees","etat":"actif","score_publie":0.483,"score_0_1":0.483,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-08-27","source":"https://epoch.ai/benchmarks","niveau_suggere":86.3},{"benchmark":"weirdml","tache":"code","etat":"actif","score_publie":0.4643,"score_0_1":0.4643,"reflexion":"inconnue","harnais":null,"provenance":"externe","date":null,"source":"https://htihle.github.io/weirdml.html","niveau_suggere":72.2},{"benchmark":"frontiercode","tache":"code","etat":"actif","score_publie":0.4244,"score_0_1":0.4244,"reflexion":"inconnue","harnais":"grok-build","provenance":"externe","date":null,"source":"https://cognition.com/frontiercode","niveau_suggere":91.3},{"benchmark":"arc_agi_2","tache":"raisonnement","etat":"sature","score_publie":0.3306,"score_0_1":0.3306,"reflexion":"faible","harnais":null,"provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":81.9},{"benchmark":"chess_puzzles","tache":"raisonnement","etat":"actif","score_publie":0.36,"score_0_1":0.3266,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-07-08","source":"https://epoch.ai/benchmarks","niveau_suggere":87.1},{"benchmark":"proofbench","tache":"maths","etat":"sature","score_publie":0.31,"score_0_1":0.31,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://www.vals.ai/benchmarks/proof_bench","niveau_suggere":84.8},{"benchmark":"blueprint_bench_2","tache":"vision","etat":"actif","score_publie":0.2733188720173536,"score_0_1":0.2733,"reflexion":"inconnue","harnais":null,"provenance":"externe","date":null,"source":"https://andonlabs.com/evals/blueprint-bench-2","niveau_suggere":90.5},{"benchmark":"frontiermath_tier_4_v2","tache":"maths","etat":"sature","score_publie":0.2439024390243902,"score_0_1":0.2439,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-07-09","source":"https://epoch.ai/benchmarks","niveau_suggere":85.4},{"benchmark":"posttrainbench","tache":"agents","etat":"actif","score_publie":0.2345,"score_0_1":0.2345,"reflexion":"elevee","harnais":"Cursor CLI","provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":84.4},{"benchmark":"critpt","tache":"sciences","etat":"actif","score_publie":0.154285714285714,"score_0_1":0.1543,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://epoch.ai/benchmarks","niveau_suggere":87.6},{"benchmark":"gdp_pdf","tache":"donnees","etat":"actif","score_publie":0.14,"score_0_1":0.14,"reflexion":"elevee","harnais":null,"provenance":"externe","date":null,"source":"https://surgehq.ai/benchmarks/gdp-pdf","niveau_suggere":82.7},{"benchmark":"furniture_assembly","tache":"vision","etat":"actif","score_publie":0.225,"score_0_1":0,"reflexion":"elevee","harnais":null,"provenance":"independant","date":"2026-09-24","source":"https://epoch.ai/benchmarks","niveau_suggere":82.4}],"qualite_prix":{"prix_mixte_eur":2.638,"score_attendu":84.3,"avantage":3,"avantage_bas":1.1,"avantage_haut":5,"meilleur_compromis":false,"rang":34}}}