AREX

model
BAAI

BAAI's self-improving deep-research agent: an inner research loop paired with a constraint-wise audit loop and learned context compression. Two Apache-2.0 checkpoints — AREX-Base (122B-A10B) and AREX-Turbo (4B) — post-trained on Qwen3.5 bases. BAAI's headline post-WAIC ship.

Paper (arXiv)HuggingFace (Base)HuggingFace (Turbo)Project Page

Model Details

Architecture MOE
Base model qwen3.5

Paper

arXiv HTML
agentsopen-weightreasoning

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