Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceRun and build with open AI models locally or in the cloud
Datadog records 5,175,760 monthly visits with -4.8% month-over-month growth and Freemium, Free Trial, Paid, Contact for Pricing, Free pricing. Label Studio records 137,199 monthly visits with -16.1% growth and Contact for Pricing, Free pricing.

Label any data. Evaluate any AI.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | datadoghq.com | labelstud.io |
| Pricing Model | Freemium, Free Trial, Paid, Contact for Pricing, Free | Contact for Pricing, Free |
| Monthly Visits | 5.18M (5,175,760) | 137.2K (137,199) |
| MoM Traffic Delta | -263.56K (-4.8%) | -26.29K (-16.1%) |
| Primary Market & Share | 🇺🇸 United States (41.4%) | 🇺🇸 United States (23.9%) |
| Direct Visits / mo | 2.75M | 47.14K |
| User Rating | 4.7 | 4.7 |
| Supported Platforms | Website | Website |
Unified observability, security and incident response for cloud-scale engineering teams
Agents, cloud integrations and OpenTelemetry collectors feed one platform where metrics, distributed traces, profiles and logs can be pivoted between without context switching.
Bits AI, an agent builder and LLM/AI-agent observability help teams triage alerts, explain anomalies and monitor model latency, token spend and agent traces.
Cloud SIEM, cloud security posture management, vulnerability management, workload protection and code scanning correlate threat signals with the telemetry you already collect.
Real user monitoring, session replay, product analytics, synthetic and mobile testing sit alongside CI visibility, test optimization, feature flags and DORA metrics.

Label any data. Evaluate any AI.
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.
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceOpen-source model and dataset hub with one-click online demos
Free / Open-sourceOpen-source model and dataset hub with one-click online demos

SpecialistEnterprise AI infrastructure where software and expert humans work together
SpecialistEnterprise AI infrastructure where software and expert humans work together

Free / Open-sourceSelf-hosted AI workspace for local and cloud models
Free / Open-sourceSelf-hosted AI workspace for local and cloud models

SpecialistThe environments frontier AI trains on, and the agents that do the recurring work
SpecialistThe environments frontier AI trains on, and the agents that do the recurring work

Human-validated training data and evaluation services for frontier AI models

AI data infrastructure for building production-grade models
AI data infrastructure for building production-grade models

SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.

Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI
Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams
SpecialistThe multimodal data layer for computer vision and physical AI teams

SpecialistProvides advanced AI-driven threat detection for cloud networks, but focuses purely on security rather than general application performance monitoring.
SpecialistProvides advanced AI-driven threat detection for cloud networks, but focuses purely on security rather than general application performance monitoring.

SpecialistEvaluate, monitor, and govern your AI applications in production
SpecialistEvaluate, monitor, and govern your AI applications in production