Label Studio: 具备完整自托管控制权的开源数据标注与评估平台，但需要手动设置与基础设施维护。 Defined.ai 记录了 146,251 月访问量，月度环比增长为 -21%，定价为定价请咨询。Label Studio 记录了 137,199 月访问量，增长率为 -16.1%，定价为定价请咨询，免费。
Label Studio is an open-source data labeling and AI evaluation platform from HumanSignal. It handles images, video, audio, text, documents, time series and agent traces in one flexible workspace, and connects to your ML pipeline through an API, Python SDK and webhooks.
| 维度 / 指标 | | |
|---|---|---|
| 官方域名 | definedcrowd.com | labelstud.io |
| 定价模式 | 定价请咨询 | 定价请咨询，免费 |
| 月访问量 | 14.63万 (146,251) | 13.72万 (137,199) |
| 月度环比流量变化 | -3.88万 (-21%) | -2.63万 (-16.1%) |
| 主要市场与份额 | 🇺🇸 美国 (20.6%) | 🇺🇸 美国 (23.9%) |
| 直接访问 / 月 | 8.44万 | 4.71万 |
| 用户评分 | 4.4 | 4.7 |
| 支持的平台 | 网站 | 网站 |
企业级 AI 训练数据、标注与评估服务
提供覆盖音频、图像、视频、文本和多模态格式的大量合规来源数据集，支持高级筛选和免费样本。
面向文本、音频、图像和视频的专家验证标注，采用模型优先、人在回路的工作流，兼顾准确性与公平性。
面向全球 AI 系统的高质量多语言内容，覆盖 500 多种语言、方言和语区。
面向训练的大规模全球化多样数据采集，每个数据集都经过隐私与安全审查。
Label Studio is an open-source data labeling and AI evaluation platform from HumanSignal. It handles images, video, audio, text, documents, time series and agent traces in one flexible workspace, and connects to your ML pipeline through an API, Python SDK and webhooks.
Programmable interfaces and custom templates let one workspace handle images, video, audio, text, PDFs, time series and multi-modal tasks.
Build custom benchmarks and rubrics, run side-by-side model comparisons, and grade generated answers against retrieved sources for RAG evaluation.
Collect human preferences, corrections and rankings to feed reinforcement learning from human feedback and fine-tuning workflows.
Connect observability tools, storage and any model to power AI-assisted pre-labeling, benchmarking and continuous evaluation.
免费 / 开源在本地或云端运行和构建开源 AI 模型
免费 / 开源ModelScope (魔搭社区) is an open-source AI community and model service platform that hosts thousands of pretrained models, datasets, and ready-to-run demos, backed by Alibaba Cloud infrastructure.
免费 / 开源ModelScope (魔搭社区) is an open-source AI community and model service platform that hosts thousands of pretrained models, datasets, and ready-to-run demos, backed by Alibaba Cloud infrastructure.
免费 / 开源简化了计算机视觉数据集标注和模型部署，但缺乏 Defined.ai 广泛的人工众包服务。
专项更强软件与真人专家协同运作的企业级 AI 基础设施
免费 / 开源Open WebUI is an open-source, self-hosted AI interface that lets individuals and organizations run any model — local or cloud — inside a workspace they fully control. It ships as a one-command install, supports Ollama, OpenAI-compatible and Anthropic endpoints, and extends through Python tools, functions and pipelines.
免费 / 开源Open WebUI is an open-source, self-hosted AI interface that lets individuals and organizations run any model — local or cloud — inside a workspace they fully control. It ships as a one-command install, supports Ollama, OpenAI-compatible and Anthropic endpoints, and extends through Python tools, functions and pipelines.
专项更强前沿 AI 训练所用的环境，以及负责重复性工作的智能体
SuperAnnotate is an AI data platform that combines a collaborative multimodal annotation editor, an expert data-operations team, and the orchestration layer needed to move curated datasets into training, evaluation, and production pipelines. It is aimed at teams building computer vision, NLP, audio, and generative AI systems who need reliable, high-quality ground truth at scale.
SuperAnnotate is an AI data platform that combines a collaborative multimodal annotation editor, an expert data-operations team, and the orchestration layer needed to move curated datasets into training, evaluation, and production pipelines. It is aimed at teams building computer vision, NLP, audio, and generative AI systems who need reliable, high-quality ground truth at scale.
专项更强在互联环境中跟踪、评估并交付 AI 模型与智能体。
免费 / 开源面向生产级 AI 的智能体可观测性、评估与持续改进平台
