🎉XBai o4 is now live — Experience the power of parallel think at !. • Smarter web search — 93.2 SimpleQA 🔍.• Outperforms OpenAI’s o3-mini-medium in reasoning 📈.• Fast inference at 50 tokens/s ⚡️. API: Email xbai.metastone@gmail.com with a short

RT @theMetaStoneAI: 🚀 Introducing XBai o4：a milestone in our 4th-generation open-source technology based on parallel test time scaling！.In….

👏Good News! The MetaStone Technical Team's Paper Wins International Grand Prize TOP26 ACL 2025 Outstanding Paper List Announced!Paper download address:

🚀 Introducing XBai o4：a milestone in our 4th-generation open-source technology based on parallel test time scaling！.In its medium mode, XBai o4 now fully outperforms OpenAI−o3−mini.📈. 🔗Open-source weights: .Github link:

Say hello to MetaStone-S1！

Say hello to MetaStone-S1！We're excited to introduce MetaStone-S1 — our first-generation reflective generative model. GitHub: Hugging Face（size range from 1.5B to 32B）: