Baidu Ernie 5.1: 94% Cost Cut, Tops Chinese AI Benchmarks

Baidu has launched Ernie 5.1, a new language model that significantly cuts pre-training costs. This model is distilled from its larger predecessor, Ernie 5.0, making it more resource-efficient. Ernie 5.1 achieves pre-training costs at just six percent of what comparable models require. It currently tops Chinese AI benchmarks and ranks fourth globally on the Arena Search Leaderboard with 1,223 points. Baidu states Ernie 5.1 beats DeepSeek-V4-Pro on autonomous AI agent tasks and approaches Google's Gemini 3.1 Pro on knowledge and reasoning. It also performs well in creative writing. The model uses a four-stage training pipeline with specialized expert models. It's accessible through Baidu's platforms and integrated into creative applications. However, its model weights remain closed, preventing independent verification of its performance. This development could mean more efficient and powerful AI models in the future.