Baidu AI Cloud Qianfan

AI-native application development platform

Baidu AI Cloud’s Qianfan platform for building, tuning, evaluating, and deploying generative-AI applications with access to foundation models and related AI-development services.

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releasePRIMARY2026-05-09

ERNIE 5.1 Preview ranks No. 4 on Search Arena and claims 6% pretraining cost

Baidu pushed ERNIE 5.1 Preview with new leaderboard claims, including No. 4 on Search Arena and No. 13 on LMArena Text. Treat the 6% pretraining cost claim cautiously until an independent technical report confirms it.