Home/Data labeling software/Label Studio (HumanSignal)

Label Studio (HumanSignal) pricing

HumanSignal makes Label Studio, a data labeling and AI evaluation platform, and also sells managed data services.

Data labeling softwareFree planSelf-serve + sales

Visit Label Studio (HumanSignal)Prices checked Oct 29, 2026

How much does Label Studio (HumanSignal) cost?

Paid plans start at $99/mo

Free plan: Yes
Free trial: Free trial of Starter Cloud, length not stated
Enterprise: Contact sales

Read from humansignal.com/pricing/ on Oct 29, 2026. Price changed? Tell usSee the line each price came from

In your favor

Free plan. Open source Community Edition, self-hosted on-prem, supported through Community Slack and GitHub issues

Watch out for

Going over the Starter Cloud allowance costs $49 per additional user per month. Included: 12 users.
Their pages disagree: Label Studio user count. "250,000+ Users of Label Studio" vs "Label Studio has been used by more than 100,000 people around the worl"

How you buy and get started

Self-serve + salesButtons on their site: Start free trial, Contact Sales, Book a scoping call, Get a Demo

Sign up: Self-serve free trial of Starter Cloud
Setup: Not stated
When sales steps in: Enterprise requires contacting sales
Support: Starter Cloud: dedicated support portal
Support: Enterprise: highest priority support with response time SLAs
Support: Community: Slack and GitHub issues

What Label Studio (HumanSignal) does

HumanSignal offers the open source Label Studio, a hosted Starter Cloud plan, and Label Studio Enterprise for annotating and evaluating multimodal data. It also sells data services where its own annotators and project managers build datasets for customers.

Good for: AI teams and data scientists who need to label data, evaluate and benchmark models, or hand dataset creation to expert annotators, from small teams on Starter Cloud to enterprises needing SSO, SOC2 and HIPAA.
Channels: Web app, Open source self-hosted, On-prem, API, Python SDK, Webhooks
Main product: Label Studio
Also includes: Multi-modal labeling platform, Configurable labeling interface, Role-based access control, Quality workflows, Automated task distribution, Programmable and embeddable interfaces (Enterprise)
Connects to: Databricks Unity Catalog, AWS S3, Azure Blob Storage, Google Cloud Storage, Braintrust, Okta, Microsoft Active Directory, OneLogin, Ping Identity, AWS Marketplace, Docling
Public API: Yes
MCP server: Not stated

Image and video annotationText, images, video, audio, PDFs, time series
Text and NLP labelingText, images, video, audio, PDFs, time series
Audio and speech labelingText, images, video, audio, PDFs, time series
LLM and RLHF evaluationUse models to automate evaluations and benchmarks
Model-assisted auto-labelingUse any custom LLM to accelerate annotation
Review and QA workflowsResolve complex annotations with multiple experts
Managed labeling workforceLet our expert annotators, data scientists, and project managers partner with your team to deliver high-qualit
Self-hosted or open sourceHumanSignal is home to [Label Studio](https://labelstud.io), the world's most popular open source data labelin

The same 8 checks appear on every tool in Data labeling software. Each tick quotes the vendor's own site.

Security and your data

Question	Their answer	Where it says so
Trains AI on your data?	Not stated
HIPAA (signs a BAA)	available on Enterprise	"SOC2 and HIPAA compliant cloud or on-prem"pricing
SOC 2	SOC2 compliant, Enterprise	"SOC2 and HIPAA compliant cloud or on-prem"pricing
GDPR	Not stated
CCPA	Not stated
PCI	Not stated
ISO 27001	Not stated
Single sign-on	Enterprise: SAML or LDAP, SCIM 2.0	"Single Sign-On with SAML or LDAP"pricing
Trust center	Not stated

Security answers are the vendor's own claims, quoted. We don't audit them.

Every plan

Plan	Monthly	Billed yearly	Included	Over the allowance	Where it says so
Starter Cloudper month	$99	–	12 usersUp to 12 users	$49/additional user per month	"## $99 per month"
Community Edition	–	–	–	–	"[Open source community edition](https://labelstud.io)"
Enterprise	Quote	–	–	–	"## Custom pricing"
Data services	Quote	–	–	–	"## Let’s talk"

Their pages disagree: Label Studio user count"250,000+ Users of Label Studio" vs "Label Studio has been used by more than 100,000 people around the world"

Free plan: Open source Community Edition, self-hosted on-prem, supported through Community Slack and GitHub issues

Fine print

Billing increment: Not stated
Billed beyond usage: Not stated
Contract: Not stated
Refunds: Not stated
Auto renew: Not stated
Price change notice: Not stated

"Not stated" means we read their pricing page and terms and they don't say.

About the company

Legal name: HumanSignal
Online since: Apr 11, 2022
Ships updates: 20 in the last 12 months
Funding: $30 million raised since 2019 from Redpoint Ventures, Unusual Ventures, Bow Capital and Swift Ventures
Customers: "Trusted by 1M+ AI practitioners"
Backing: "Raised $30 million from Redpoint Ventures, Unusual Ventures, Bow Capital and Swi"