Gemini 2.5 Pro has been upgraded and is set for general availability, showcasing significant improvements in coding capabilities and benchmark performance. The model has achieved notable Elo score increases and incorporates user feedback for enhanced creativity and response formatting. Developers can access the updated version via the Gemini API and Google AI Studio, with new features to manage costs and latency.

Moonshot AI's Kimi K2 model outperforms GPT-4 in several benchmark tests, showcasing superior capabilities in autonomous task execution and mathematical reasoning. Its innovative MuonClip optimizer promises to revolutionize AI training efficiency, potentially disrupting the competitive landscape among major AI providers.

M1 introduces a hybrid linear RNN reasoning model based on the Mamba architecture, designed for scalable test-time computation in solving complex mathematical problems. By leveraging distillation from existing models and reinforcement learning, M1 achieves significant speed and accuracy improvements over traditional transformer models, matching the performance of state-of-the-art distilled reasoning models while utilizing memory-efficient inference techniques.

XBai o4 is the latest fourth-generation open-source large model technology, showcasing enhanced complex reasoning capabilities that surpass OpenAI-o3-mini in Medium mode. It employs a novel reflective generative training form to significantly reduce inference costs and improve response quality. The repository includes training and evaluation code, along with instructions for setup and benchmarks.