# humansignal.com > AI-optimized mirror of humansignal.com containing 50 pages totalling 31,042 words of clean markdown content, structured data, and semantic HTML. Original source: https://humansignal.com/. Last updated: 2026-04-27T02:39:24.805Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [AI cannot progress without novel data.](/site-root.html): Full-service dataset creation and enterprise data annotation software to build novel, compliant AI systems. (399 words) ## Articles & Blog Posts - [blog/scaling-ai-data-quality-best-practices-for-onboarding-and-evaluating-annotators.html](/blog/scaling-ai-data-quality-best-practices-for-onboarding-and-evaluating-annotators.html) (1 words) - [blog/categories/insights/index.html](/blog/categories/insights/index.html) (1 words) - [blog/categories/product-updates/index.html](/blog/categories/product-updates/index.html) (1 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/blog/categories/guide/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (1,764 words) - [Use YOLO26 with Label Studio](/blog/use-yolo26-with-label-studio-for-fast-bounding-box-pre-annotations.html): Connect the YOLO ML Backend to Label Studio so YOLO26 generates bounding box pre-annotations. (1,920 words) - [The 5 Metrics That Actually Move AI Into Production](/blog/the-5-metrics-that-actually-move-ai-into-production.html): Most AI programs track metrics but struggle to show impact. Learn a practical framework for using a few key signals to drive decisions  (1,363 words) - [Manage Quality at Scale with Super-granular Agreement](/blog/manage-quality-at-scale-with-super-granular-agreement.html): Label Studio Enterprise offers question-level agreement metrics, configurable consensus & pairwise methodologies, and fine-grained human vs. model comparisons. (1,068 words) - [changelog/index.html](/changelog/index.html) (1 words) - [blog/improving-rag-document-search-quality-with-cohere-re-ranking.html](/blog/improving-rag-document-search-quality-with-cohere-re-ranking.html) (1 words) - [The Most Advanced PDF Annotation Interface Yet](/blog/new-pdf-ocr-document-ai-labeling-interface/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (967 words) - [Consensus Agreement for GenAI Evaluation](/blog/consensus-agreement-for-genai-evaluation/index.html): Consensus agreement is how you evaluate generative AI at scale. Build trustworthy evaluation pipelines with LLM-as-a-Jury and dimension-level scoring. (1,345 words) - [Building the New Human Evaluation Layer for AI and Agentic systems](/blog/new-evaluation-engine/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (983 words) - [HumanSignal acquires Erud AI to build the world’s frontier data lab](/blog/humansignal-acquires-erud-ai-to-build-the-world-s-frontier-data-lab.html): HumanSignal launches Services and acquires Erud AI to create domain-specific, multi-modal datasets with expert labeling and evaluation for safer, scalable AI. (539 words) - [A New Audio Transcription UI for Speed and Quality at Scale](/blog/building-a-better-ui-for-audio-transcription-at-scale.html): A dedicated audio transcription interface for faster human review: synced editing, multi-channel playback, visual segments, and keyboard shortcuts. (987 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/news-press/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (312 words) - [Webinars](/webinars/index.html): Discover HumanSignal's webinars on data labeling, AI, and ML. Learn from industry experts and enhance your knowledge on cutting-edge technologies. (824 words) - [How to Scale Evaluation for RAG and Agent Workflows](/blog/how-to-scale-evaluation-for-rag-and-agent-workflows.html): A practical workflow for turning expert judgment into structured criteria, anchoring evaluation with a ground truth set, calibrating automated scoring, and more (1,111 words) - [Benchmarks](/blog/categories/benchmarks/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (245 words) - [Align AI with real human judgement](/tech-and-ai-products/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (295 words) - [Label Studio Enterprise Demo](/demo/index.html): Schedule a time to talk with a Label Studio expert. Fill out the form below and we will contact you. (196 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/platform/prompts/index.html): Use Prompts in Label Studio by HumanSignal to pre-label data or compare and evaluate models. (220 words) - [Case Studies](/blog/categories/case-studies/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (211 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/platform/index.html): Model evaluation, prompt engineering, and data labeling in a powerful, flexible enterprise platform with advanced user management, analytics, and security. (478 words) - [Evaluate AI Models with Custom Benchmarks](/ai-benchmarks/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (648 words) - [Human-in-the-loop Evaluation for Agentic AI Observability](/blog/categories/company/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (372 words) - [We build software that helps people do what only they can do – give meaning.](/careers/index.html): Join HumanSignal's global team & help solve AI/ML challenges. Enjoy remote work, competitive salary, equity, and an inclusive culture. See job openings. (610 words) - [Scale trustworthy, compliant healthcare AI](/healthcare/index.html): Label Studio is the secure labeling solution used by many of the leading healthcare and pharmaceutical companies. Learn more here! (301 words) - [Tutorials](/blog/categories/tutorials/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (607 words) - [pricing/index.html](/pricing/index.html) (1 words) - [customers/index.html](/customers/index.html) (1 words) - [The human data layer for post-training](/ai-research-labs/index.html): The human data layer for post-training. Evaluation, alignment, agentic tasks, and domain expertise. Data services for the teams building frontier models. (813 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/blog/introducing-human-in-the-loop-evaluation-for-agentic-ai-observability.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (624 words) - [Programmable & Embeddable Interfaces](/programmable-ui/index.html): Model evaluation, prompt engineering, and data labeling in a powerful, flexible enterprise platform with advanced user management, analytics, and security. (440 words) - [Privacy Policy](/legal/privacy-policy/index.html): HumanSignal prioritizes your privacy. Learn how we handle information from our website, products, services, and through standard practices. (1,202 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/preparing-training-data/index.html): Build more performant and robust models with accurately labeled datasets and human review. (408 words) - [HumanSignal Services](/data-services/index.html): We specialize in collecting and annotating operationally-complex, multimodal data for the toughest data problems. (619 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/validating-models/index.html): Validate and continuously improve your models with ground truth datasets. (355 words) - [Enterprise AI that’s compliant and scalable](/financial-services/index.html): Label Studio is the secure labeling solution used by many of the leading financial services companies. Learn more here! (341 words) - [Security and privacy are at our core](/security/index.html): Secure your data with HumanSignal's privacy-focused platform. Access control, encryption, TLS, SSO, and more ensure safety while scaling your business. (410 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/blog/categories/documentation/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (144 words) - [Integrations](/blog/categories/integrations/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (56 words) - [Fine-Tune Foundation Models](/fine-tuning-models/index.html): Build differentiated, powerful, and efficient models by fine tuning large language models with proprietary data and insights. (392 words) - [GenAI](/blog/categories/genai/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (94 words) - [RAG](/blog/categories/rag/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (141 words) - [Introducing Human-in-the-loop Evaluation for Agentic AI Observability](/contact-sales/index.html): Schedule a time to talk with a Label Studio expert. Fill out the form below and we will contact you. (206 words) - [Security Policy](/legal/security-policy/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (198 words) - [Data Labeling Overview for Machine Learning and Data Science](/resources/data-labeling-guide-download/index.html): Learn the core concepts of data labeling, including data, process, people and technology in this data labeling overview for data science and machine learning. (155 words) - [Blog](/blog/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (6,330 words) - [Integrate Label Studio with your ML/AI workflow](/integrations/index.html): The most flexible, secure and scalable data annotation tool for machine learning & AI—supports all data types, formats, ML backends & storage providers. (342 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives