{"about":{"site":"https://codewithpapers.app","non_affiliation":"Code with Papers and Syntology are not affiliated with, endorsed by, or sponsored by Papers with Code, Meta, or the pwc-archive mirror.","licence":"CC BY-SA 4.0","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","attribution":"https://codewithpapers.app/attribution","modified":"archive material modified by Syntology; see the attribution page"},"url":"/paper/open-sora-2-0-training-a-commercial-level","title":"Open-Sora 2.0: Training a Commercial-Level Video Generation Model in $200k","arxiv_id":"2503.09642","date":"2025-03-12","proceeding":null,"authors":["Xiangyu Peng","Zangwei Zheng","Chenhui Shen","Tom Young","Xinying Guo","Binluo Wang","Hang Xu","Hongxin Liu","Mingyan Jiang","Wenjun Li","Yuhui Wang","Anbang Ye","Gang Ren","Qianran Ma","Wanying Liang","Xiang Lian","Xiwen Wu","Yuting Zhong","Zhuangyan Li","Chaoyu Gong","Guojun Lei","Leijun Cheng","Limin Zhang","Minghao Li","Ruijie Zhang","Silan Hu","Shijie Huang","Xiaokang Wang","Yuanheng Zhao","Yuqi Wang","Ziang Wei","Yang You"],"abstract":"Video generation models have achieved remarkable progress in the past year. The quality of AI video continues to improve, but at the cost of larger model size, increased data quantity, and greater demand for training compute. In this report, we present Open-Sora 2.0, a commercial-level video generation model trained for only $200k. With this model, we demonstrate that the cost of training a top-performing video generation model is highly controllable. We detail all techniques that contribute to this efficiency breakthrough, including data curation, model architecture, training strategy, and system optimization. According to human evaluation results and VBench scores, Open-Sora 2.0 is comparable to global leading video generation models including the open-source HunyuanVideo and the closed-source Runway Gen-3 Alpha. By making Open-Sora 2.0 fully open-source, we aim to democratize access to advanced video generation technology, fostering broader innovation and creativity in content creation. All resources are publicly available at: https://github.com/hpcaitech/Open-Sora.","url_abs":"https://arxiv.org/abs/2503.09642v2","url_pdf":"https://arxiv.org/pdf/2503.09642v2.pdf","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","row_kind":"abstracts"},"code_links":[{"paper_slug":"open-sora-2-0-training-a-commercial-level","repo_url":"https://github.com/hpcaitech/open-sora","is_official":1,"mentioned_in_paper":1,"mentioned_in_github":1,"framework":"pytorch","reach":{"status":"ok","spdx":"Apache-2.0"}}],"tasks":[{"task_slug":"video-generation","task_name":"Video Generation"}],"methods":[],"datasets_introduced":[],"methods_introduced":[],"results":[],"syntology":{"syntology_url":"https://syntology.ai/paper/2503.09642","atlas_url":"https://app.syntology.ai/?focus=2503.09642","mcp":{"get_harvested_code_for_paper":{"arxiv_id":"2503.09642"}},"developers":"https://syntology.ai/developers","read_at":"2026-09-25T09:33:49+00:00","read_at_is":"when the build read Syntology's graph, not when any sample ran","claim":"Per-sample execution status on synthesized fixtures; not a correctness claim about the paper. Samples come from repositories linked to the paper, official or community; repo_kind says which.","repos":[{"provenance":"external:paperswithcode_snapshot_2025-07-28","url":"https://github.com/hpcaitech/open-sora","reach":{"status":"ok","spdx":"Apache-2.0"}}],"summary":{"ran":6,"unverified":5},"by_repo_kind":{"official":{"samples":11,"ran":6,"repositories":1}},"repo_kind_vocabulary":{"official":"The archive marks this repository official for the paper","named_in_paper":"The archive records that the paper mentions this repository; it is not marked official","listed":"In the archive's code links for this paper, not marked official and not recorded as mentioned in the paper","found_in_text":"Syntology found this repository in the paper's own text; whether it is the authors' implementation is not asserted","community":"Not in the archive's code links for this paper; a community repository Syntology harvested"},"n_pointer_only_for_licence":11,"samples":[{"code_sha256_prefix":"6ddc087f93460147","entry":"apply","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/sampler.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/sampler.py","link_basis":"harvester_set","language":"python","status":"ran","verification_level":1,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"6ddc087f93460147"}},{"code_sha256_prefix":"b1397d87ab4baaa0","entry":"collate_fn_default","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/dataloader.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/dataloader.py","link_basis":"harvester_set","language":"python","status":"ran","verification_level":1,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"b1397d87ab4baaa0"}},{"code_sha256_prefix":"ac4e5200cca6d741","entry":"get_aspect_ratios_dict","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/aspect.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/aspect.py","link_basis":"harvester_set","language":"python","status":"ran","verification_level":1,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"ac4e5200cca6d741"}},{"code_sha256_prefix":"68f3ad1e8b47c4ea","entry":"get_num_pexels","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/aspect.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/aspect.py","link_basis":"harvester_set","language":"python","status":"ran","verification_level":1,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"68f3ad1e8b47c4ea"}},{"code_sha256_prefix":"898176aac6eec0f7","entry":"get_ratio","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/aspect.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/aspect.py","link_basis":"harvester_set","language":"python","status":"ran","verification_level":1,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"898176aac6eec0f7"}},{"code_sha256_prefix":"e4a4611bb6f33d1b","entry":"get_seed_worker","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/dataloader.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/dataloader.py","link_basis":"harvester_set","language":"python","status":"ran","verification_level":1,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"e4a4611bb6f33d1b"}},{"code_sha256_prefix":"b51f59051d16f7df","entry":"all_to_all","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/acceleration/communications.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/acceleration/communications.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"b51f59051d16f7df"}},{"code_sha256_prefix":"97c082db7efd0240","entry":"gather_forward_split_backward","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/acceleration/communications.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/acceleration/communications.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"97c082db7efd0240"}},{"code_sha256_prefix":"ae3b5ad7195807b2","entry":"get_data_parallel_group","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/acceleration/parallel_states.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/acceleration/parallel_states.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"ae3b5ad7195807b2"}},{"code_sha256_prefix":"14e5749dbd18dd9b","entry":"read_video_cv2","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/datasets/read_video.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/datasets/read_video.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"14e5749dbd18dd9b"}},{"code_sha256_prefix":"a771d32bab25e50b","entry":"split_forward_gather_backward","repo":"hpcaitech/open-sora","repo_kind":"official","path":"opensora/acceleration/communications.py","file_url":"https://github.com/hpcaitech/open-sora/blob/HEAD/opensora/acceleration/communications.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":false,"mcp_get_code":{"code_sha256":"a771d32bab25e50b"}}]},"arxiv_metadata":null,"syntology_extracted_results":null}