SpaceXAI lance Grok 4.5, son premier modèle construit avec Cursor

27 sources
  • SpaceXAI a lancé Grok 4.5 mercredi, le qualifiant de modèle de « classe Opus » construit sur une nouvelle architecture V9 avec environ 1 500 milliards de paramètres.
  • L'entraînement a intégré des données de Cursor, la startup de codage par IA que SpaceX acquiert pour 60 milliards de dollars, afin d'affiner les performances techniques et de codage.
  • Les benchmarks internes revendiquent des performances à égalité avec GPT 5.5 et proches d'Opus 4.8 sur les tâches de codage, mais aucune évaluation indépendante n'existe encore.
Sources (27)
  1. 1 Introducing Grok 4.5 | SpaceXAI x.ai
  2. 2 Grok 4.5: xAI's Opus-Class Model Explained (2026 Guide) codersera.com
  3. 3 SpaceX to acquire the AI coding startup Cursor for $60 billion www.cnbc.com
  4. 4 Grok 4.5 performs on par with GPT 5.5 and close to Opus ... www.threads.com
  5. 5 Grok 4.5 goes public tomorrow, Elon Musk says The model ... x.com
  6. 6 Elon Musk says 'Opus-class' Grok 4.5 is about to launch mashable.com
  7. 7 Grok 4.5 Release Date: What xAI Has Confirmed felloai.com
  8. 8 SpaceX Acquires AI Coding Tool Cursor For $60B In Year's ... news.crunchbase.com
  9. 9 SpaceX Buys Cursor for $60B: What the Deal Means in 2026 www.digitalapplied.com
  10. 10 SpaceXAI plans to launch new model with Cursor as soon as Wednesday, The Information reports www.reuters.com
  11. 11 Scoop: Musk's SpaceXAI releases new model, Grok 4.5 www.axios.com
  12. 12 Grok 4.5 Leak: What We Know So Far kie.ai
  13. 13 Grok 4.5 Explained: 6 TRILLION Parameters, City-Scale AI ... www.youtube.com
  14. 14 SpaceXAI x.ai
  15. 15 xAI's Grok 4: A Powerful Language Model for Tech and ... www.linkedin.com
  16. 16 SpaceX acquisition target launches CFO council to crack ... www.cfodive.com
  17. 17 7 Models in Training Now, Grok 5 at 10 Trillion Parameters ... www.mindstudio.ai
  18. 18 SpaceX has exercised the option to acquire @cursor_ai in ... x.com
  19. 19 Grok Model Retirement on May 15, 2026 docs.x.ai
  20. 20 Grok 4.5 Release Date Revealed By Previous Launch ... x.com
  21. 21 Grok 4.5: SpaceX's 1.5T V9 Model Trained on Cursor www.digitalapplied.com
  22. 22 SpaceXAI will officially launch its new Grok 4.5 AI model ... www.instagram.com
  23. 23 SPCX - SpaceXAI to Launch Grok 4.5 for Public Access, Musk ... ih.advfn.com
  24. 24 Grok 4.5 Public Launch July 9: Opus-Class, Cursor-Trained explainx.ai
  25. 25 SpaceXAI Grok 4.5 Launch: Global Public Release Set securityonline.info
  26. 26 Grok 4.5 is officially set to launch on Wednesday. www.threads.com
  27. 27 SpaceXAI planning to launch 1.5 Trillion parameter Grok ... www.reddit.com

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