Papers & Blog

Jun 2025

Shanhai·Zhiyi LLM 5.0: Truly Advancing into Rigorous Clinical Practice

Shanhai·Zhiyi 5.0 achieves comprehensive upgrades in medical understanding, collaboration, and output reliability, deeply integrating clinical diagnostic reasoning chains to support clinical decision-making like a seasoned physician.

Tech Release Aug 2026

When OCR Learns to Rebuild: Unisound U1-OCR Converts Images and PDFs into Editable PowerPoint Files in One Click, Ushering in a New Era of Intelligent Document Reconstruction

Recently, Unisound upgraded its U1-OCR foundation model for document intelligence and officially launched the IMG2PPT intelligent conversion feature. Built on the U1-OCR document intelligence engine, IMG2PPT reconstructs content from static JPG, PNG, and PDF files as natively editable PowerPoint presentations. Text boxes, images, lists, shapes, tables, and other elements become native, editable PowerPoint objects. This marks OCR's progression from single-purpose content recognition to a new stage of intelligent understanding and structural reconstruction.

Tech Release Aug 2026

Unisound Officially Launches U2-RadiMed, Ushering Medical Imaging AI into the Era of

As the first domestic imaging foundation model to deeply integrate medical image understanding, report generation, clinical reasoning and decision‑making, and visual question answering in a full‑chain solution, U2‑RadiMed supports multimodal mixed input of single or multiple images and text. It completes a closed‑loop workflow of “view images → retrieve knowledge → reason → conclude,” providing clinicians with comprehensive AI assistance—from lesion screening and precise diagnosis to personalized treatment decisions—thus propelling imaging diagnosis to a higher level of intelligence.

Tech Release Jul 2026

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Unisound has recently completed a full‑scale upgrade to the multilingual capabilities of U2‑ASR and U2‑TTS. U2‑ASR adds recognition for 13 new international languages, while U2‑TTS introduces speech synthesis for 8 Southeast Asian languages. With this update, the U2 Speech Large Model now supports over 100 Chinese dialects and more than 15 international languages.

Tech Release Jun 2026

Unisound Releases U2: A Native Agentic Large Model Built for Execution, Capable of Autonomously Decomposing and Completing 100+ Steps in Complex Real-World Workflows

As a native agentic large model built for individuals, developers, and organizations, U2 is guided by a clear technical proposition: high intelligence density × high Token value. Instead of blindly stacking parameters, it pursues high intelligence density, using fewer activated resources to carry stronger capabilities. Instead of simply competing on output length, it pursues high Token value, making every call move closer to a deliverable result.

Tech Release Jul 2026

Unisound Launches U2‑Med Expert‑Level Tri‑Medical Large Model: Reshaping the Industry with

Guided by the original aspiration of “AI for Good”, U2‑Med strives to upgrade AI from a conversational tool into a “digital expert” embedded in front‑line business workflows. By breaking down data and business silos across medical care, medical insurance and pharmaceuticals, and reconstructing the industrial ecosystem, U2‑Med is not only scaling new technical heights but also pursuing better human health outcomes. It leverages AI to drive medical services toward greater efficiency, equity and intelligence, so that the warmth of technology can truly benefit public health and well‑being worldwide.

Tech Release Feb 2026

Unisound Launches U1-OCR: The First Industrial-Grade Foundation Model for Document Intelligence, Ushering in the OCR 3.0 Era

Unisound has officially launched the Unisound U1-OCR foundation model for document intelligence. As the first industrial-grade foundation for document intelligence, the model breaks through the boundaries of conventional document processing and sets a new industry benchmark with five core strengths: SOTA performance, trustworthy and verifiable results, out-of-the-box usability, efficient deployment, and strong adaptability.

Tech Release Jan 2026

Shanhai Intelligence Unleashed, Interaction Without Limits: Unisound Launches Shanhai Zhiyin 2.0

As the age of AI agents arrives, Unisound continues to evolve its general-purpose intelligent computing foundation, Shanhai Atlas. Following the upgrade of the Shanhai Zhiyi 5.0 medical large model at the end of last year, the company today officially launches Shanhai Zhiyin 2.0, completing another key piece of the capability map for its upgraded "one foundation, two wings" technology strategy.

Academic Paper Jun 2025

Towards Transparent Knowledge Utilization in LLMs via Trustworthy Citations

We construct a trustworthy citation framework enabling LLMs to have interpretability when utilizing both internal parametric knowledge and external retrieved knowledge, effectively mitigating hallucinations.

Unisound Research