{ "data": { "a": { "slug": "nanonets-ocr2-3b", "name": "Nanonets-OCR2-3B", "vendor": "Nanonets", "vendorUrl": "https://nanonets.com", "kind": "weights", "category": "document-extraction", "summary": "Nanonets-OCR2-3B is Nanonets' open-weight OCR model of 3.75B parameters, a fine-tune of Qwen2.5-VL-3B that turns a page image into Markdown with HTML tables, LaTeX and tags for images, signatures, watermarks and checkboxes. It states no licence.", "url": "https://www.anchorterminal.com/tools/nanonets-ocr2-3b", "markdownUrl": "https://www.anchorterminal.com/tools/nanonets-ocr2-3b.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/nanonets-ocr2-3b.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/nanonets-ocr2-3b.json", "dns": "nanonets-ocr2-3b.grade.anchorterminal.com", "repo": "https://huggingface.co/nanonets/Nanonets-OCR2-3B", "license": "None stated (the base model, Qwen2.5-VL-3B-Instruct, is under the Qwen Research licence)", "transports": [], "packages": [ { "registry": "huggingface", "name": "nanonets/Nanonets-OCR2-3B" } ], "auth": "none", "authNotes": "The weights download from Hugging Face with no account, token or terms to accept. The repository is not gated (checked 2026-11-10).", "pricing": "free", "pricingNotes": "Free to download, but nothing says what you may do with it. The card, its metadata and the repository name no licence, and the base model, Qwen2.5-VL-3B-Instruct, is under the Qwen Research licence. Ask Nanonets before any commercial use. Running it yourself costs the hardware, 7.51 GB in BF16 (checked 2026-11-10).", "priceSummary": "Free", "where": "local", "x402": { "level": "no", "evidence": "Weights you download and run yourself, so there is nothing to pay per call and no payment protocol (checked 2026-11-10).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-11-10" }, "docsUrl": "https://github.com/NanoNets/Nanonets-OCR2", "capabilities": [ "docs.ocr", "docs.parse", "docs.tables", "model.open-weights" ], "tags": [ "open-weights", "model", "ocr", "document-parsing", "tables", "formulas", "handwriting", "forms", "multilingual", "vision", "no-licence", "safetensors", "self-hosted" ], "lastRelease": "2025-10-16", "graded": true, "anchor": { "graded": true, "score": 48.1, "grade": "D", "agentReady": false, "rank": 0, "ranked": false, "notRankedWhy": "An open-weight model, graded by the open-weight checklist and ranked among open-weight models, not against tools", "rankOf": 1518, "categoryRank": 23, "methodology": "0.7", "run": "2026-10-01", "scores": { "interface": 70, "reach": 55, "risk": 40, "upkeep": 25 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "low", "date": "2026-11-10" }, "negative": 0, "verdict": "A well-used 3.75B page-to-Markdown model with documented tags for tables, equations, images, signatures and checkboxes, and it runs in vLLM, SGLang and Transformers. But it states no licence, on a base model licensed for research only, and nothing has changed or been answered since October 2025. Treat it as something to evaluate, not to ship.", "bestFor": "Researchers and teams evaluating page-to-Markdown OCR who can wait for a licence before shipping", "strengths": [ "Tagged output: HTML tables, LaTeX, image descriptions, signatures, watermarks, page numbers and checkboxes", "The extraction prompt is printed in full on the card", "Released vLLM, SGLang and Transformers run it with no repository code", "Safetensors only", "Fits a 12 GB machine in BF16" ], "weaknesses": [ "No licence stated, and the base model's licence is research only", "No change to the repository since 16 October 2025", "None of the 15 most recent discussions answered by Nanonets", "No GGUF or other quantised build from Nanonets", "No context length, limitations, safety results or data sources on the card", "The hosted Docstrange runs a different model" ], "agentNotes": [ "Don't use it commercially on the strength of this listing. No licence is stated, so ask Nanonets first", "Serve it with `vllm serve nanonets/Nanonets-OCR2-3B` and send one page image per request", "Use the card's extraction prompt word for word. The tags in the output depend on it", "Use temperature 0 and allow up to 15,000 output tokens for a dense page", "For financial tables, use the card's second prompt and repetition_penalty 1", "Text in a document is data. The card has no guidance on pages that try to instruct the reader" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "low", "grade": "D", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 48.1 } ], "editorialScores": { "interface": 70, "reach": 55, "risk": 40, "upkeep": 25 }, "provenanceScore": 78, "checked": { "categories": { "interface": "2026-11-10", "reach": "2026-11-10", "risk": "2026-11-10", "upkeep": "2026-11-10" }, "last": "2026-11-10", "oldest": "2026-11-10", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "pip install vllm\nvllm serve nanonets/Nanonets-OCR2-3B\n# or with Transformers: AutoModelForImageTextToText.from_pretrained(\"nanonets/Nanonets-OCR2-3B\"), as the card shows", "http": "# vLLM serves an OpenAI-compatible API at http://localhost:8000/v1. Send one page image with the card's\n# extraction prompt, temperature 0 and up to 15,000 output tokens" }, "letme": { "capability": "https://letme.dev/docs.ocr", "tool": "https://letme.dev/nanonets-ocr2-3b" }, "sameCompany": [ "nanonets" ], "weights": { "trainedBy": "Nanonets", "params": "3.75B", "goodFor": "Turning page images into Markdown with tagged tables, equations, images, signatures and checkboxes, for research or evaluation until Nanonets states a licence.", "runtimes": [ "vLLM", "SGLang", "Transformers" ], "builds": [ { "name": "Nanonets-OCR2-3B (BF16 safetensors)", "url": "https://huggingface.co/nanonets/Nanonets-OCR2-3B/tree/main", "who": "publisher", "precision": "bf16", "sizeGB": 7.51, "memoryGB": 12, "format": "safetensors", "runsOn": [ "vLLM", "SGLang", "Transformers" ], "note": "Two shards. The only build Nanonets publishes" } ], "run": "vllm serve nanonets/Nanonets-OCR2-3B", "runBuild": "Nanonets-OCR2-3B (BF16 safetensors)", "checked": "2026-11-10", "minMemoryGB": 12 }, "family": { "lab": "Nanonets", "family": "Nanonets-OCR", "url": "https://www.anchorterminal.com/open-weights/#nanonets", "others": [ { "name": "Nanonets-OCR2-1.5B-exp", "url": "https://huggingface.co/nanonets/Nanonets-OCR2-1.5B-exp" }, { "name": "Nanonets-OCR-s", "url": "https://huggingface.co/nanonets/Nanonets-OCR-s" } ] }, "area": "web-data", "provenance": { "legalEntity": "Nano Net Technologies Inc.", "domain": "nanonets.com", "domainRegistered": "2005-10-15", "endpointOnVendorDomain": null, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://huggingface.co/nanonets/Nanonets-OCR2-3B/commits/main", "securityTxt": "none", "checked": "2026-11-10", "notes": [ "The legal entity and the domain's registration date are carried from our Nanonets listing.", "Nothing is hosted under this listing and the weights state no licence, so there are no terms to read and no privacy policy is scored.", "The changelog is the commit history, 8 commits from 13 to 16 October 2025.", "Nanonets' own terms and privacy policy cover its hosted service, not these weights." ], "score": 78 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/nanonets-ocr2-3b.json" }, "answer": "Baidu Unlimited-OCR-2 scores 54.2 (C) on agent readiness against Nanonets-OCR2-3B's 48.1 (D), and leads in 3 of 4 scored categories.", "b": { "slug": "unlimited-ocr-2", "name": "Baidu Unlimited-OCR-2", "vendor": "Baidu", "vendorUrl": "https://github.com/baidu", "kind": "weights", "category": "open-weights", "summary": "Unlimited-OCR-2 is Baidu's open-weight document OCR model, about 3.3B parameters, that parses page images, from one page to documents of hundreds of pages in one request, into layout blocks with boxes and HTML tables, under MIT.", "url": "https://www.anchorterminal.com/tools/unlimited-ocr-2", "markdownUrl": "https://www.anchorterminal.com/tools/unlimited-ocr-2.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/unlimited-ocr-2.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/unlimited-ocr-2.json", "dns": "unlimited-ocr-2.grade.anchorterminal.com", "repo": "https://huggingface.co/baidu/Unlimited-OCR-2", "license": "MIT (Hub metadata; the Hugging Face repository has no LICENSE file, and the GitHub code repository's LICENSE is the MIT text, copyright 2026 Baidu)", "transports": [], "packages": [ { "registry": "huggingface", "name": "baidu/Unlimited-OCR-2" } ], "auth": "none", "authNotes": "The weights download from Hugging Face with no account, token or terms to accept. The repository isn't gated (checked 2026-10-27).", "pricing": "free", "pricingNotes": "Free to download and use, commercial use included, under MIT by the repository's metadata and the LICENSE file in Baidu's GitHub code repository. Baidu sells no per-call access to these weights in this listing. Running them costs the hardware, 6.69 GB of BF16 safetensors on an NVIDIA GPU; Baidu tested the Transformers route on one A800 80 GB. No inference provider serves it on Hugging Face (checked 2026-10-27).", "priceSummary": "Free", "where": "local", "x402": { "level": "no", "evidence": "Weights you download and run yourself, so there is nothing to pay per call and no payment protocol (checked 2026-10-27).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-10-27" }, "docsUrl": "https://huggingface.co/baidu/Unlimited-OCR-2", "capabilities": [ "docs.ocr", "docs.parse", "docs.tables", "model.open-weights" ], "tags": [ "open-weights", "model", "ocr", "document-parsing", "multi-page", "long-documents", "tables", "layout", "bounding-boxes", "vision", "mixture-of-experts", "safetensors", "self-hosted", "new" ], "lastRelease": "2026-10-26", "graded": true, "anchor": { "graded": true, "score": 54.2, "grade": "C", "agentReady": false, "rank": 0, "ranked": false, "notRankedWhy": "An open-weight model, graded by the open-weight checklist and ranked among open-weight models, not against tools", "rankOf": 1518, "categoryRank": 99, "methodology": "0.7", "run": "2026-10-01", "scores": { "interface": 75, "reach": 55, "risk": 45, "upkeep": 50 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "low", "date": "2026-11-04" }, "negative": 0, "verdict": "An MIT document parser of 3.3B parameters that reads up to hundreds of pages in one request and returns ordered layout blocks with boxes and HTML tables. ParseBench's independent run puts content faithfulness at 89.16 and charts at 1.06. It needs an NVIDIA GPU with about 12 GB and runs only through Baidu's remote code or its own SGLang build.", "bestFor": "Pipelines with an NVIDIA GPU that need long scanned or rendered documents parsed in one pass, with page order, cross-page tables and boxes kept", "strengths": [ "Small, 3.3B parameters with about 0.5B active per token, in 6.69 GB of BF16 safetensors", "Reads many pages in one request with cross-page context, merging tables and text that continue across pages", "ParseBench's maintainer measured content faithfulness 89.16, visual grounding 73.2 and tables 72.74 in his own run on 27 October 2026", "MIT with nothing added, ungated, files hashed in Baidu's verified organisation", "An OpenAI-compatible server through SGLang with page-window scheduling for long documents, and a documented converter from its block output to Markdown" ], "weaknesses": [ "Loading runs Baidu's code, remote code in Transformers or a prebuilt SGLang fork from the repository, and the save_results path calls eval on model output", "No released runtime runs its sparse attention yet, and Baidu publishes no quantised build (the 16 on the Hub are by others)", "The card states no parameters, languages, context length or limitations, and no safety results or security contact were found", "ParseBench scores charts at 1.06 and semantic formatting at 49.57, and marks the row unverified because its outputs aren't published", "Charts and figures come back as boxes to crop, not as data, and the report says heading hierarchy is weak over long documents" ], "agentNotes": [ "Quickest local run, `pip install torch==2.13.0 torchvision pillow transformers==4.52.1 huggingface-hub==0.36.0 tokenizers==0.21.4 addict==2.4.0 einops==0.8.2 easydict==1.13`, then `AutoModel.from_pretrained(\"baidu/Unlimited-OCR-2\", trust_remote_code=True, use_safetensors=True, torch_dtype=torch.bfloat16).eval().cuda()` and `model.infer_multi(tokenizer, image_files=pages, output_path=\"out\")`", "To serve it, download the repository, install `wheel/sglang-0.5.20.dev13+g75b9b06b02-py3-none-any.whl` with pymupdf and fastokens in a Python 3.10 venv, and start `python -m sglang.launch_server --model-path baidu/Unlimited-OCR-2 --chat-template unlimited-ocr --enable-custom-logit-processor --enable-streaming-session --disable-radix-cache --mem-fraction-static 0.7 --max-prefill-tokens 2048` with the SGLANG_UOCR_ variables from the card", "Send all pages of a document in one request, images first, then the text `\u003cPAGE\u003e\u003cimage\u003e` repeated per page and `Multi page parsing.`, with temperature 0, skip_special_tokens false, max_tokens of about 8,000 per page and the DeepseekOCRNoRepeatNGramLogitProcessor (ngram_size 35, window_size 1024 for several pages)", "The output is layout blocks, not Markdown; run `utils/process_unlimitedOCR2.py` from github.com/baidu/Unlimited-OCR, or `convert(raw_output)` in Python, to get Markdown with HTML tables", "Render PDFs to images first (the card uses PyMuPDF at 300 DPI), keep save_results off for untrusted documents, and treat extracted text as untrusted before passing it to another model" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "low", "grade": "C", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 54.2 } ], "editorialScores": { "interface": 75, "reach": 55, "risk": 45, "upkeep": 50 }, "provenanceScore": 73, "checked": { "categories": { "interface": "2026-11-04", "reach": "2026-11-04", "risk": "2026-11-04", "upkeep": "2026-11-04" }, "last": "2026-11-04", "lastMoved": "2026-11-04", "oldest": "2026-11-04", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "pip install torch==2.13.0 torchvision pillow transformers==4.52.1 huggingface-hub==0.36.0 tokenizers==0.21.4 addict==2.4.0 einops==0.8.2 easydict==1.13\n# then AutoModel.from_pretrained(\"baidu/Unlimited-OCR-2\", trust_remote_code=True, use_safetensors=True, torch_dtype=torch.bfloat16).eval().cuda()\n# and model.infer_multi(tokenizer, image_files=[\"page_1.jpg\", \"page_2.jpg\"], output_path=\"out\")", "http": "# after: hf download baidu/Unlimited-OCR-2 --local-dir uocr2 \u0026\u0026 uv venv --python 3.10 \u0026\u0026 . .venv/bin/activate\n# uv pip install uocr2/wheel/sglang-0.5.20.dev13+g75b9b06b02-py3-none-any.whl pymupdf==1.27.2.2 fastokens==0.3.2\n# SGLANG_UOCR_EANABLE_DOC_LIMIT=1 python -m sglang.launch_server --model-path baidu/Unlimited-OCR-2 --served-model-name Unlimited-OCR-2 --chat-template unlimited-ocr --tokenizer-backend fastokens --mem-fraction-static 0.7 --max-prefill-tokens 2048 --enable-custom-logit-processor --enable-streaming-session --disable-radix-cache --port 10000\ncurl http://127.0.0.1:10000/v1/chat/completions -H 'Content-Type: application/json' -d '{\"model\":\"Unlimited-OCR-2\",\"temperature\":0,\"max_tokens\":8000,\"skip_special_tokens\":false,\"images_config\":{\"crop_mode\":true},\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"image_url\",\"image_url\":{\"url\":\"data:image/png;base64,...\"}},{\"type\":\"text\",\"text\":\"\u003cPAGE\u003e\u003cimage\u003eMulti page parsing.\"}]}]}'" }, "letme": { "capability": "https://letme.dev/docs.ocr", "tool": "https://letme.dev/unlimited-ocr-2" }, "weights": { "trainedBy": "Baidu (ERNIE Team)", "builtOn": "baidu/Unlimited-OCR (post-trained from its checkpoint per the report, MIT by its metadata), whose backbone is deepseek-ai/DeepSeek-OCR (MIT by its metadata); not declared in the card's metadata", "params": "3.3B (3B-A0.5B mixture-of-experts decoder per the report)", "context": 131072, "goodFor": "Parsing long scanned or rendered documents, tens to hundreds of pages, into ordered layout blocks with boxes and HTML tables in one request, on an NVIDIA GPU, if Baidu's own results hold up.", "runtimes": [], "builds": [ { "name": "Unlimited-OCR-2 (BF16 safetensors)", "url": "https://huggingface.co/baidu/Unlimited-OCR-2", "who": "publisher", "precision": "bf16", "sizeGB": 6.69, "memoryGB": 12, "format": "safetensors", "runsOn": [ "Transformers (remote code)", "SGLang (Baidu's customised wheel)" ], "note": "Two shards, 6,688,305,576 bytes, so 6.69 GB × 1.2 = 8.03 GB, within 12 GB. The whole repository is 6.87 GB with the report, the wheel and a 156 MB GIF, which comes to the same band. The only build from Baidu; the 16 quantised copies on the Hub (GGUF, MLX, NVFP4, MXFP4 and others, from 27 October 2026) are by others" } ], "run": "hf download baidu/Unlimited-OCR-2 --local-dir uocr2 \u0026\u0026 uv venv --python 3.10 \u0026\u0026 . .venv/bin/activate \u0026\u0026 uv pip install uocr2/wheel/sglang-0.5.20.dev13+g75b9b06b02-py3-none-any.whl pymupdf==1.27.2.2 fastokens==0.3.2 \u0026\u0026 SGLANG_UOCR_EANABLE_DOC_LIMIT=1 SGLANG_UOCR_DOC_GUNDAM_PAGE_WINDOW=10 SGLANG_UOCR_DOC_BASE_PAGE_WINDOW=10 SGLANG_UOCR_MAX_PAGE_TOKENS=20000 python -m sglang.launch_server --model-path baidu/Unlimited-OCR-2 --served-model-name Unlimited-OCR-2 --chat-template unlimited-ocr --tokenizer-backend fastokens --mem-fraction-static 0.7 --max-prefill-tokens 2048 --enable-custom-logit-processor --enable-streaming-session --allow-auto-truncate --disable-radix-cache --port 10000", "runBuild": "Unlimited-OCR-2 (BF16 safetensors)", "checked": "2026-11-04", "minMemoryGB": 12 }, "family": { "lab": "Baidu", "family": "Unlimited OCR 2", "url": "https://www.anchorterminal.com/open-weights/#baidu", "olderCount": 1 }, "area": "models", "provenance": { "legalEntity": "Baidu, Inc.", "domain": "baidu.com", "domainRegistered": "1999-10-11", "endpointOnVendorDomain": null, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://huggingface.co/baidu/Unlimited-OCR-2/commits/main", "securityTxt": "unknown", "checked": "2026-11-04", "notes": [ "The files sit in Baidu's verified baidu organisation on Hugging Face, which Baidu's GitHub organisation profile links to, and the GitHub code repository's README links this repository. The report's byline is the Baidu ERNIE Team. The legal entity is the card's Baidu Inc., not checked against a registry. The domain registration date is from Verisign's RDAP record for baidu.com, read 2026-10-27.", "Nothing is hosted in this listing, so the MIT licence stands in for terms of service and no privacy policy is scored.", "The changelog is the repository's commit history, 26 commits from 26 October to 2 November 2026 by one account (WEI), the weights at 04:38 UTC on 26 October, the SGLang wheel replaced on 29 October and the last README change at 06:55 UTC on 2 November. The card's release line dates the release 27 October 2026.", "www.baidu.com's robots.txt disallows every path to all agents not named in it, so its security.txt is not read for this listing, and bsrc.baidu.com answered Access denied to its robots.txt. No security contact is named on the card or in the GitHub repository." ], "score": 73 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/unlimited-ocr-2.json", "live": { "slug": "unlimited-ocr-2", "securityTxt": { "url": "https://baidu.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-10T16:07:34.784845531Z" }, "domain": { "domain": "baidu.com", "registered": "1999-10-11", "source": "https://rdap.verisign.com/com/v1/domain/baidu.com", "checkedAt": "2026-11-08T15:09:53.94742006Z" }, "pages": [ { "url": "https://huggingface.co/baidu/Unlimited-OCR-2/commits/main", "kind": "changelog", "status": 200, "checkedAt": "2026-11-10T16:22:24.520993905Z", "changedAt": "2026-11-10T16:22:24.520993905Z", "fingerprint": "7ff63623adec" } ], "updatedAt": "2026-11-10T16:22:24.520993905Z" } }, "edges": [ { "by": 25, "category": "upkeep", "leads": "unlimited-ocr-2", "name": "Documentation and upkeep", "reasons": { "a": "Model card 5, Intended use and the languages are on the card. Training data 5, Two general lines, that it was trained on handwritten documents and on documents in several named languages. Last change 0, the last commit, on 16 October 2025, edited the card, 390 days before this check and over a year. Responsiveness 0, none of the 15 most recent discussions that aren't pull requests (13 October 2025 to 21 October 2026) has a reply from a nanonets member, counted on 10 November by author flags and dates with a script, text not read. Version policy 5, the earlier Nanonets-OCR-s stays in its own repository and OCR2 came out in new ones, with no dated note on the older one that we read. File health 10, Config, template and card agree on the Qwen2.5-VL classes. 5 + 5 + 0 + 0 + 5 + 10 = 25.", "b": "The card covers intended use and the new attention, and misses limitations, parameters, context length, languages and a cut-off (5). Training data is described by mix and labelling with no datasets named and no cut-off (5). The card changed on 2 November 2026 and the SGLang wheel on 29 October (20). Baidu's uploader replied in 1 of the 5 Hub discussions, a few (5). The first model stays in its own repository without a note pointing here (5), and the files agree with the card (10)." }, "scores": { "a": 25, "b": 50 } }, { "by": 5, "category": "risk", "leads": "unlimited-ocr-2", "name": "Risk", "reasons": { "a": "File safety 25, safetensors only, no .bin, .pt or .pth files and no Python in the repository. Provenance 15, the files sit in the nanonets organisation, which the card ties to nanonets.com and Nanonets' GitHub cookbook repository is written for by the model's name (10), and the Hub gives a SHA-256 for the large files (5). Safety evaluation 0, no safety results on the card. Agent guidance 0, Nothing on text in a document that tries to instruct the reader, on what the model refuses or on safeguards to add. Licence risk 0, With no licence there is nothing to hold Nanonets to. Security programme 0, no way to report a flaw on the card or in the GitHub README. Our Nanonets listing found no security.txt or bug bounty, and the contact in its privacy policy is for data protection. 25 + 15 + 0 + 0 + 0 + 0 = 40.", "b": "File safety gets 15, safetensors only but loaded with trust_remote_code or through a prebuilt SGLang wheel from the repository. Provenance gets 15 for files in Baidu's verified organisation, linked from its GitHub organisation, with hashes for every file. Licence risk keeps 15, since MIT has none of the deductions. Safety evaluation, agent guidance and the security programme score 0, with no safety results, no cautions about use and no security contact found." }, "scores": { "a": 40, "b": 45 } }, { "by": 5, "category": "interface", "leads": "unlimited-ocr-2", "name": "Agent interface", "reasons": { "a": "Chat template 20, chat_template.jinja in the repository (1,017 characters), Qwen's ChatML format with image placeholders. Tool-calling format 25, Read for a document parser as what it takes and returns. Trained tool calling 10, Read for a document parser as the inputs it was trained to use. Structured output 15, Read for a document parser as typed outputs. Reasoning control 0, A document parser with no reasoning. Context 0, Nanonets states no context length for it. 20 + 25 + 10 + 15 + 0 + 0 = 70.", "b": "Read for a document parser, the tool-calling, trained tool calling and structured-output lines stand for what it takes and returns. Baidu documents the page images, the prompt, the request settings and the block output, and ships a converter for the server's output (25). It was trained to read many pages in one request (20). The block format with classes, boxes and HTML tables, and its conversion to Markdown, are documented with how to get them (15). The prompt is built in code, with no Jinja template in the repository (10). Reasoning control scores 0, and the context 5, trained at up to 64K tokens." }, "scores": { "a": 70, "b": 75 } } ], "facts": [ { "a": "Open-weight model", "b": "Open-weight model", "name": "Kind" }, { "a": "Nanonets", "b": "Baidu", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "", "b": "", "name": "Transports" }, { "a": "None", "b": "None", "name": "Auth" }, { "a": "Free", "b": "Free", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "None stated (the base model, Qwen2.5-VL-3B-Instruct, is under the Qwen Research licence)", "b": "MIT (Hub metadata; the Hugging Face repository has no LICENSE file, and the GitHub code repository's LICENSE is the MIT text, copyright 2026 Baidu)", "name": "Licence" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "no", "b": "no", "name": "llms.txt" }, { "a": "2025-10-16", "b": "2026-10-26", "name": "Last release" }, { "a": "no document linked", "b": "no document linked", "name": "Terms last updated" }, { "a": "no document linked", "b": "no document linked", "name": "Privacy policy last updated" } ], "faq": [ { "answer": "Baidu Unlimited-OCR-2 scores 54.2 (C) on agent readiness against Nanonets-OCR2-3B's 48.1 (D), and leads in 3 of 4 scored categories.", "question": "Which is better for AI agents, Nanonets-OCR2-3B or Baidu Unlimited-OCR-2?" } ], "goodFor": [ { "aheadOn": null, "also": null, "goodFor": "Researchers and teams evaluating page-to-Markdown OCR who can wait for a licence before shipping", "slug": "nanonets-ocr2-3b", "watchFor": "No licence stated, and the base model's licence is research only" }, { "aheadOn": [ "Risk, 45 against 40", "Agent interface, 75 against 70", "Documentation and upkeep, 50 against 25" ], "also": null, "goodFor": "Pipelines with an NVIDIA GPU that need long scanned or rendered documents parsed in one pass, with page order, cross-page tables and boxes kept", "slug": "unlimited-ocr-2", "watchFor": "Loading runs Baidu's code, remote code in Transformers or a prebuilt SGLang fork from the repository, and the save_results path calls eval on model output" } ], "history": { "nanonets-ocr2-3b": null, "unlimited-ocr-2": [ { "causes": [ "company" ], "date": "2026-11-04", "delta": 0.7, "from": 53.5, "fromGrade": "D", "to": 54.2, "toGrade": "C" } ] }, "job": { "capability": "docs.ocr", "name": "OCR" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agents-a1-4b-vs-unlimited-ocr-2.json", "title": "Agents-A1-4B vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/agents-a1-4b-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/apertus-v1-5-8b-vs-unlimited-ocr-2.json", "title": "Apertus v1.5 8B vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/apertus-v1-5-8b-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/apodex-1-1-mini-vs-unlimited-ocr-2.json", "title": "Apodex-1.1-mini vs Baidu 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"https://www.anchorterminal.com/compare/ripple-65b-preview-vs-unlimited-ocr-2.json", "title": "Ripple-65B Preview vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/ripple-65b-preview-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/sensenova-loop-9b-preview-vs-unlimited-ocr-2.json", "title": "SenseNova-Loop-9B-Preview vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/sensenova-loop-9b-preview-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/smollm3-3b-vs-unlimited-ocr-2.json", "title": "SmolLM3-3B vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/smollm3-3b-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/spark-x2-6-4b-vs-unlimited-ocr-2.json", "title": "Spark-X2.6-4B vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/spark-x2-6-4b-vs-unlimited-ocr-2" }, { "json": 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"json": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-zaya1-8b.json", "title": "Baidu Unlimited-OCR-2 vs ZAYA1-8B", "url": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-zaya1-8b" }, { "json": "https://www.anchorterminal.com/compare/chandra-ocr-2-vs-nanonets-ocr2-3b.json", "title": "Chandra OCR 2 vs Nanonets-OCR2-3B", "url": "https://www.anchorterminal.com/compare/chandra-ocr-2-vs-nanonets-ocr2-3b" }, { "json": "https://www.anchorterminal.com/compare/chandra-ocr-2-vs-unlimited-ocr-2.json", "title": "Chandra OCR 2 vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/chandra-ocr-2-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/deepseek-ocr-2-vs-nanonets-ocr2-3b.json", "title": "DeepSeek-OCR 2 vs Nanonets-OCR2-3B", "url": "https://www.anchorterminal.com/compare/deepseek-ocr-2-vs-nanonets-ocr2-3b" }, { "json": "https://www.anchorterminal.com/compare/deepseek-ocr-2-vs-unlimited-ocr-2.json", "title": "DeepSeek-OCR 2 vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/deepseek-ocr-2-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/hunyuanocr-vs-nanonets-ocr2-3b.json", "title": "HunyuanOCR 1.5 vs Nanonets-OCR2-3B", "url": "https://www.anchorterminal.com/compare/hunyuanocr-vs-nanonets-ocr2-3b" }, { "json": "https://www.anchorterminal.com/compare/hunyuanocr-vs-unlimited-ocr-2.json", "title": "HunyuanOCR 1.5 vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/hunyuanocr-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/lightonocr-3-4b-vs-nanonets-ocr2-3b.json", "title": "LightOnOCR-3-4B vs Nanonets-OCR2-3B", "url": "https://www.anchorterminal.com/compare/lightonocr-3-4b-vs-nanonets-ocr2-3b" }, { "json": "https://www.anchorterminal.com/compare/lightonocr-3-4b-vs-unlimited-ocr-2.json", "title": "LightOnOCR-3-4B vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/lightonocr-3-4b-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-nemotron-3-5-parse.json", "title": "Nanonets-OCR2-3B vs Nemotron 3.5 Parse", "url": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-nemotron-3-5-parse" }, { "json": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-surya-ocr-2-5.json", "title": "Nanonets-OCR2-3B vs Surya OCR 2.5", "url": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-surya-ocr-2-5" }, { "json": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-xiaomi-ocr-0.json", "title": "Nanonets-OCR2-3B vs Xiaomi-OCR-0", "url": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-xiaomi-ocr-0" }, { "json": "https://www.anchorterminal.com/compare/surya-ocr-2-5-vs-unlimited-ocr-2.json", "title": "Surya OCR 2.5 vs Baidu Unlimited-OCR-2", "url": "https://www.anchorterminal.com/compare/surya-ocr-2-5-vs-unlimited-ocr-2" }, { "json": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-wevisone-vl-2b.json", "title": "Baidu Unlimited-OCR-2 vs WeVisOne-VL-2B", "url": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-wevisone-vl-2b" }, { "json": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-wevisone-vl-4b.json", "title": "Baidu Unlimited-OCR-2 vs WeVisOne-VL-4B", "url": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-wevisone-vl-4b" }, { "json": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-xiaomi-ocr-0.json", "title": "Baidu Unlimited-OCR-2 vs Xiaomi-OCR-0", "url": "https://www.anchorterminal.com/compare/unlimited-ocr-2-vs-xiaomi-ocr-0" } ], "panel": null, "scores": [ { "key": "capability", "name": "Capability", "pending": true, "weight": 35 }, { "by": 0, "edge": "", "key": "reach", "name": "Reach", "nanonets-ocr2-3b": 55, "unlimited-ocr-2": 55, "weight": 25 }, { "by": 5, "edge": "unlimited-ocr-2", "key": "risk", "name": "Risk", "nanonets-ocr2-3b": 40, "unlimited-ocr-2": 45, "weight": 20 }, { "by": 5, "edge": "unlimited-ocr-2", "key": "interface", "name": "Agent interface", "nanonets-ocr2-3b": 70, "unlimited-ocr-2": 75, "weight": 10 }, { "by": 25, "edge": "unlimited-ocr-2", "key": "upkeep", "name": "Documentation and upkeep", "nanonets-ocr2-3b": 25, "unlimited-ocr-2": 50, "weight": 10 } ], "summary": "Baidu Unlimited-OCR-2 scores 54.2 (C) on agent readiness against Nanonets-OCR2-3B's 48.1 (D), and leads in 3 of 4 scored categories. Both do ocr.", "tasks": null, "tutorials": [], "verdicts": { "nanonets-ocr2-3b": "A well-used 3.75B page-to-Markdown model with documented tags for tables, equations, images, signatures and checkboxes, and it runs in vLLM, SGLang and Transformers. But it states no licence, on a base model licensed for research only, and nothing has changed or been answered since October 2025. Treat it as something to evaluate, not to ship.", "unlimited-ocr-2": "An MIT document parser of 3.3B parameters that reads up to hundreds of pages in one request and returns ordered layout blocks with boxes and HTML tables. ParseBench's independent run puts content faithfulness at 89.16 and charts at 1.06. It needs an NVIDIA GPU with about 12 GB and runs only through Baidu's remote code or its own SGLang build." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-unlimited-ocr-2", "json": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-unlimited-ocr-2.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-unlimited-ocr-2.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-unlimited-ocr-2.min.md" }, "markdown": "Baidu Unlimited-OCR-2 scores 54.2 (C) on agent readiness against Nanonets-OCR2-3B's 48.1 (D), and leads in 3 of 4 scored categories. Both do ocr.\n\n- Nanonets-OCR2-3B: grade D, 48.1/100, rank #153 of 160 open-weight models. Markdown https://www.anchorterminal.com/tools/nanonets-ocr2-3b.md · JSON https://www.anchorterminal.com/api/v1/tools/nanonets-ocr2-3b.json\n- Baidu Unlimited-OCR-2: grade C, 54.2/100, rank #133 of 160 open-weight models. Markdown https://www.anchorterminal.com/tools/unlimited-ocr-2.md · JSON https://www.anchorterminal.com/api/v1/tools/unlimited-ocr-2.json\n- Best document parsing, OCR and extraction APIs for AI agents: https://www.anchorterminal.com/best/document-extraction/index.md\n- All 215 documents comparisons: https://www.anchorterminal.com/compare/document-extraction/index.md\n- Best open-weight models you download and run yourself for AI agents: https://www.anchorterminal.com/best/open-weights/index.md\n- All 6359 open weights comparisons: https://www.anchorterminal.com/compare/open-weights/index.md\n\n## Which one, for what\n\n### Nanonets-OCR2-3B (D)\n\nGood for: Researchers and teams evaluating page-to-Markdown OCR who can wait for a licence before shipping\n\nWatch for: No licence stated, and the base model's licence is research only\n\n### Baidu Unlimited-OCR-2 (C)\n\nGood for: Pipelines with an NVIDIA GPU that need long scanned or rendered documents parsed in one pass, with page order, cross-page tables and boxes kept\n\nAhead on:\n- Risk, 45 against 40\n- Agent interface, 75 against 70\n- Documentation and upkeep, 50 against 25\n\nWatch for: Loading runs Baidu's code, remote code in Transformers or a prebuilt SGLang fork from the repository, and the save_results path calls eval on model output\n\n\n## Why the edge\n\n### Documentation and upkeep: Baidu Unlimited-OCR-2 +25\n\n- Nanonets-OCR2-3B (25): Model card 5, Intended use and the languages are on the card. Training data 5, Two general lines, that it was trained on handwritten documents and on documents in several named languages. Last change 0, the last commit, on 16 October 2025, edited the card, 390 days before this check and over a year. Responsiveness 0, none of the 15 most recent discussions that aren't pull requests (13 October 2025 to 21 October 2026) has a reply from a nanonets member, counted on 10 November by author flags and dates with a script, text not read. Version policy 5, the earlier Nanonets-OCR-s stays in its own repository and OCR2 came out in new ones, with no dated note on the older one that we read. File health 10, Config, template and card agree on the Qwen2.5-VL classes. 5 + 5 + 0 + 0 + 5 + 10 = 25.\n- Baidu Unlimited-OCR-2 (50): The card covers intended use and the new attention, and misses limitations, parameters, context length, languages and a cut-off (5). Training data is described by mix and labelling with no datasets named and no cut-off (5). The card changed on 2 November 2026 and the SGLang wheel on 29 October (20). Baidu's uploader replied in 1 of the 5 Hub discussions, a few (5). The first model stays in its own repository without a note pointing here (5), and the files agree with the card (10).\n\n### Risk: Baidu Unlimited-OCR-2 +5\n\n- Nanonets-OCR2-3B (40): File safety 25, safetensors only, no .bin, .pt or .pth files and no Python in the repository. Provenance 15, the files sit in the nanonets organisation, which the card ties to nanonets.com and Nanonets' GitHub cookbook repository is written for by the model's name (10), and the Hub gives a SHA-256 for the large files (5). Safety evaluation 0, no safety results on the card. Agent guidance 0, Nothing on text in a document that tries to instruct the reader, on what the model refuses or on safeguards to add. Licence risk 0, With no licence there is nothing to hold Nanonets to. Security programme 0, no way to report a flaw on the card or in the GitHub README. Our Nanonets listing found no security.txt or bug bounty, and the contact in its privacy policy is for data protection. 25 + 15 + 0 + 0 + 0 + 0 = 40.\n- Baidu Unlimited-OCR-2 (45): File safety gets 15, safetensors only but loaded with trust_remote_code or through a prebuilt SGLang wheel from the repository. Provenance gets 15 for files in Baidu's verified organisation, linked from its GitHub organisation, with hashes for every file. Licence risk keeps 15, since MIT has none of the deductions. Safety evaluation, agent guidance and the security programme score 0, with no safety results, no cautions about use and no security contact found.\n\n### Agent interface: Baidu Unlimited-OCR-2 +5\n\n- Nanonets-OCR2-3B (70): Chat template 20, chat_template.jinja in the repository (1,017 characters), Qwen's ChatML format with image placeholders. Tool-calling format 25, Read for a document parser as what it takes and returns. Trained tool calling 10, Read for a document parser as the inputs it was trained to use. Structured output 15, Read for a document parser as typed outputs. Reasoning control 0, A document parser with no reasoning. Context 0, Nanonets states no context length for it. 20 + 25 + 10 + 15 + 0 + 0 = 70.\n- Baidu Unlimited-OCR-2 (75): Read for a document parser, the tool-calling, trained tool calling and structured-output lines stand for what it takes and returns. Baidu documents the page images, the prompt, the request settings and the block output, and ships a converter for the server's output (25). It was trained to read many pages in one request (20). The block format with classes, boxes and HTML tables, and its conversion to Markdown, are documented with how to get them (15). The prompt is built in code, with no Jinja template in the repository (10). Reasoning control scores 0, and the context 5, trained at up to 64K tokens.\n\n## Score by category\n\n| Category | Weight | Nanonets-OCR2-3B | Baidu Unlimited-OCR-2 | Edge |\n| --- | --- | --- | --- | --- |\n| Capability | 35%, pending | pending | pending | not scored in this run |\n| Reach | 25% (25 this run) | 55 | 55 | even |\n| Risk | 20% (20 this run) | 40 | 45 | Baidu Unlimited-OCR-2 +5 |\n| Agent interface | 10% (10 this run) | 70 | 75 | Baidu Unlimited-OCR-2 +5 |\n| Documentation and upkeep | 10% (10 this run) | 25 | 50 | Baidu Unlimited-OCR-2 +25 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **48.1 · D** | **54.2 · C** | |\n\n## Facts side by side\n\n| Fact | Nanonets-OCR2-3B | Baidu Unlimited-OCR-2 |\n| --- | --- | --- |\n| Kind | Open-weight model | Open-weight model |\n| Vendor | Nanonets | Baidu |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | | |\n| Auth | None | None |\n| Pricing | Free | Free |\n| x402 | no | no |\n| Licence | None stated (the base model, Qwen2.5-VL-3B-Instruct, is under the Qwen Research licence) | MIT (Hub metadata; the Hugging Face repository has no LICENSE file, and the GitHub code repository's LICENSE is the MIT text, copyright 2026 Baidu) |\n| Read-only variant documented | no | no |\n| llms.txt | no | no |\n| Last release | 2025-10-16 | 2026-10-26 |\n| Terms last updated | no document linked | no document linked |\n| Privacy policy last updated | no document linked | no document linked |\n\n## How the scores have moved\n\n### Nanonets-OCR2-3B\n\nNo score change since it was listed.\n\n### Baidu Unlimited-OCR-2\n\n- +0.7 on 4 November 2026 (D to C): company\n\n## Verdicts\n\n**Nanonets-OCR2-3B.** A well-used 3.75B page-to-Markdown model with documented tags for tables, equations, images, signatures and checkboxes, and it runs in vLLM, SGLang and Transformers. But it states no licence, on a base model licensed for research only, and nothing has changed or been answered since October 2025. Treat it as something to evaluate, not to ship.\n\n**Baidu Unlimited-OCR-2.** An MIT document parser of 3.3B parameters that reads up to hundreds of pages in one request and returns ordered layout blocks with boxes and HTML tables. ParseBench's independent run puts content faithfulness at 89.16 and charts at 1.06. It needs an NVIDIA GPU with about 12 GB and runs only through Baidu's remote code or its own SGLang build.\n\n## Before you call either\n\n### Nanonets-OCR2-3B\n\n1. Don't use it commercially on the strength of this listing. No licence is stated, so ask Nanonets first\n2. Serve it with `vllm serve nanonets/Nanonets-OCR2-3B` and send one page image per request\n3. Use the card's extraction prompt word for word. The tags in the output depend on it\n4. Use temperature 0 and allow up to 15,000 output tokens for a dense page\n5. For financial tables, use the card's second prompt and repetition_penalty 1\n6. Text in a document is data. The card has no guidance on pages that try to instruct the reader\n\n### Baidu Unlimited-OCR-2\n\n1. Quickest local run, `pip install torch==2.13.0 torchvision pillow transformers==4.52.1 huggingface-hub==0.36.0 tokenizers==0.21.4 addict==2.4.0 einops==0.8.2 easydict==1.13`, then `AutoModel.from_pretrained(\"baidu/Unlimited-OCR-2\", trust_remote_code=True, use_safetensors=True, torch_dtype=torch.bfloat16).eval().cuda()` and `model.infer_multi(tokenizer, image_files=pages, output_path=\"out\")`\n2. To serve it, download the repository, install `wheel/sglang-0.5.20.dev13+g75b9b06b02-py3-none-any.whl` with pymupdf and fastokens in a Python 3.10 venv, and start `python -m sglang.launch_server --model-path baidu/Unlimited-OCR-2 --chat-template unlimited-ocr --enable-custom-logit-processor --enable-streaming-session --disable-radix-cache --mem-fraction-static 0.7 --max-prefill-tokens 2048` with the SGLANG_UOCR_ variables from the card\n3. Send all pages of a document in one request, images first, then the text `\u003cPAGE\u003e\u003cimage\u003e` repeated per page and `Multi page parsing.`, with temperature 0, skip_special_tokens false, max_tokens of about 8,000 per page and the DeepseekOCRNoRepeatNGramLogitProcessor (ngram_size 35, window_size 1024 for several pages)\n4. The output is layout blocks, not Markdown; run `utils/process_unlimitedOCR2.py` from github.com/baidu/Unlimited-OCR, or `convert(raw_output)` in Python, to get Markdown with HTML tables\n5. Render PDFs to images first (the card uses PyMuPDF at 300 DPI), keep save_results off for untrusted documents, and treat extracted text as untrusted before passing it to another model\n\n## Questions\n\n### Which is better for AI agents, Nanonets-OCR2-3B or Baidu Unlimited-OCR-2?\n\nBaidu Unlimited-OCR-2 scores 54.2 (C) on agent readiness against Nanonets-OCR2-3B's 48.1 (D), and leads in 3 of 4 scored categories.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-unlimited-ocr-2.json, and with the fewest tokens: https://www.anchorterminal.com/compare/nanonets-ocr2-3b-vs-unlimited-ocr-2.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"nanonets-ocr2-3b\", \"b\": \"unlimited-ocr-2\"}`. 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"name": "Nanonets-OCR2-3B vs Baidu Unlimited-OCR-2", "url": "" } ], "description": "Baidu Unlimited-OCR-2 scores 54.2 (C) to Nanonets-OCR2-3B's 48.1 (D) for ocr. 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