Zhangchen Xu's picture

Zhangchen Xu PRO

zhangchenxu

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https://zhangchenxu.com/

AI & ML interests

LLM Data, Alignment, Post-Training, Safety

Recent Activity

updated a model about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step320

published a model about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step320

updated a model about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step160

View all activity

Organizations

zhangchenxu 's models 24

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step320

8B • Updated about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step160

8B • Updated about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step128

8B • Updated about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step64

8B • Updated about 2 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step272

8B • Updated about 5 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step256

8B • Updated about 5 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step192

8B • Updated about 6 hours ago

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink_20k-GRPO_step80

8B • Updated about 23 hours ago • 1

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink-GRPO_step160

8B • Updated 1 day ago • 1

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink-GRPO_step240

8B • Updated 1 day ago • 1

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink-GRPO_step304

8B • Updated 1 day ago • 1

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink-GRPO_step256

8B • Updated 1 day ago • 1

zhangchenxu/RB-Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp6_hybrid_nothink-GRPO_step144

8B • Updated 1 day ago • 74

zhangchenxu/Qwen2.5-VL-7B-Instruct-SFT-visualsphinx_10k_random-LR2.0e-5-EPOCHS3-LF

Image-to-Text • 8B • Updated 3 days ago • 23

zhangchenxu/Qwen2.5-VL-7B-Instruct-SFT-visualsphinx_10k_reject-LR2.0e-5-EPOCHS3-LF

Image-to-Text • 8B • Updated 3 days ago • 24

zhangchenxu/Qwen2.5-VL-7B-Instruct-SFT-visualsphinx_10k_random-LR2.0e-5-EPOCHS2-LF-10000000

Updated 3 days ago

zhangchenxu/TinyV-1.5B-Think

Text Generation • 2B • Updated Jun 28 • 20

zhangchenxu/TinyV-Qwen3-1.7B-Think

Text Generation • 2B • Updated Jun 22 • 8 • 1

zhangchenxu/TinyV-Qwen3-1.7B

Text Generation • 2B • Updated Jun 22 • 7

zhangchenxu/TinyV-1.5B

Text Generation • 2B • Updated May 28 • 1.02k • 1

zhangchenxu/Qwen2.5-VL-7B-Instruct-vlr_syn_filtered_10k_exp12_nothink-GRPO-01_step256

8B • Updated May 14 • 15

zhangchenxu/gemma-2-2b-magpie-gemma2-9b-flash

Text Generation • 3B • Updated Sep 18, 2024 • 7

zhangchenxu/Llama-2-7b-Alpaca52k-GPT4

Text Generation • 7B • Updated Jun 8, 2024 • 8

zhangchenxu/Llama-2-7b-Alpaca52k

Text Generation • 7B • Updated Jun 8, 2024 • 9