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Baidu AI Cloud's large-model platform

Baidu's enterprise large-model platform for building, fine-tuning, evaluating, and deploying foundation-model applications.

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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.