BAAI open-sources AREX-2, a 27B long-horizon agent model with 262K context under Apache 2.0
AdinaYakup · x · 2026-09-30
BAAI (Beijing Academy of Artificial Intelligence) has released AREX-2, a long-horizon agent model built on Qwen3.8 27B. It is open-sourced under Apache 2.0, supports 262K context, and learns from execution feedback to improve long-running task performance.
For developers, it's a freely licensable mid-size agent-focused model worth benchmarking on long-horizon task execution.
Related event: BAAI Open-Sources AREX-2: 27B Long-Horizon Self-Improving Agent(5 posts)→
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