BAAI-AREX-Turbo-GGUF

AREX-Turbo (BAAI/AREX-Turbo) is an Apache-2.0 open-weight 4B dense deep-research agent from BAAI, built on Qwen/Qwen3.5-4B as a compact alternative to the 122B AREX-Base, with a 256K context window. Its recursive self-improvement framework combines iterative research, evidence verification, targeted follow-up searches, and autonomous context updates to improve long-horizon information seeking. Across research benchmarks, it scores 70.7 on BrowseComp, 81.6 on GAIA, 57.0 on xbench-2510, 78.5 on DeepSearchQA, 68.5 on WideSearch-en, and 40.6 on text-only HLE with tools. Despite its smaller size, it outperforms several 30B–235B models, matches Qwen3.5-122B on GAIA, surpasses it on BrowseComp (70.7 vs. 63.8) and WideSearch-en (68.5 vs. 60.5), and exceeds Gemini-3.1-Pro on GAIA, xbench-2510, and WideSearch-en. It uses search, visit, update_context, and finish tools for evidence-driven research.

MTP β€” Speculative Decoding: No

Model Files

File Name Quant Type File Size File Link Description
AREX-Turbo.BF16.gguf BF16 8.42 GB Link Full BF16 weights. Highest quality, largest file size.
AREX-Turbo.Q3_K_L.gguf Q3_K_L 2.42 GB Link Lower quality but usable, good for low RAM availability.
AREX-Turbo.Q3_K_M.gguf Q3_K_M 2.26 GB Link Low quality.
AREX-Turbo.Q4_K_M.gguf Q4_K_M 2.71 GB Link Good quality, default size for most use cases, recommended.
AREX-Turbo.Q4_K_S.gguf Q4_K_S 2.56 GB Link Slightly lower quality with more space savings, recommended.
AREX-Turbo.Q5_K_M.gguf Q5_K_M 3.07 GB Link High quality, recommended.
AREX-Turbo.Q5_K_S.gguf Q5_K_S 2.99 GB Link High quality, recommended.
AREX-Turbo.Q6_K.gguf Q6_K 3.46 GB Link Very high quality, near perfect, recommended.
AREX-Turbo.Q8_0.gguf Q8_0 4.48 GB Link Extremely high quality, generally unneeded but max available quant.
AREX-Turbo.mmproj-bf16.gguf mmproj-bf16 676 MB Link Multimodal projection file in BF16 format. Used for vision/language models.

llama.cpp

LLM inference in C/C++ β€” https://github.com/ggml-org/llama.cpp

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GGUF
Model size
4B params
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qwen35
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