Labelbox
Originally an enterprise data-labelling platform (annotation tools plus expert RLHF data for frontier labs). By 2026-10 it sells Horizon reinforcement-learning environments (WorldSim) to frontier AI labs and Recursion managed agents to enterprises.
Active · Verified 2026-10-29 · fresh as of 2026-10-29 · 19 cited facts, 4 with a third-party source · 2 recorded changes · Suggest a correction
At a glance
- Type
- Data factory for AI vendor fix
- Tier
- T1
- Section
- Training infrastructure
- Latest release
- v7.17.0 (2026-10-22) — labelbox SDK registry fix
- License
- proprietary; Python SDK Apache-2.0 repo fix
- Pricing
- searched not found fix
- Funding
- $100M+ Series E 2026-10-14 (equity plus credit facility; $1.25B pre-money; Infinitum Partners led, with Wipro Ventures, a16z, B Capital); previously $188.9M total raised (Series D $110M, 2022-01; led by SoftBank Vision Fund 2). vendor fix
- Freshness
- 2026-10-29 fix
- Layer
- model-infra repo fix
- Licensing
- commercial repo fix
- Developer activity
- OpenRank 0.59 (12-mo avg 4.04) · 1 participants — 2026-09 third-party fix
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
$188.9M raised through Series D ($110M, 2022); reportedly ~$300M+ ARR target; expanded into Frontier data services for LLM labs.
Technical surface
- API surface
- Python SDK, GraphQL API
- Backend storage
- searched not found
- Deployment
- searched not found
- Embedding model
- not applicable — not a memory product
- Multi-tenancy
- searched not found
- MCP
- yes — documented MCP client connection for project insights and approved actions
- A2A
- searched not found
- OpenTelemetry
- searched not found
Similar systems
Other training infrastructure in the catalog, ranked by inbound references.
- MLflow T1
Databricks-incubated open platform for ML lifecycle — tracking, projects, models, model registry. Standard ML-ops baseline. MLflow 3.0 (2024) added LLM-eval features.
- AWS SageMaker T1
AWS's managed ML platform — Studio, Training, HyperPod (large-scale clusters), Endpoints. Industry-standard for enterprise AWS-hosted training.
- Weights & Biases T1
Experiment-tracking and ML-ops platform (metrics, artifacts, sweeps, Weave tracing/evals). Acquired by CoreWeave (completed 2025-05-05, ~$1.7B); now part of CoreWeave Forge.
- Comet ML T2
ML experiment tracking + LLM evaluation platform (Opik for LLM eval). Comet competes head-to-head with Weights & Biases.
- Azure Machine Learning T1
Microsoft Azure's managed ML platform — pipelines, AutoML, Designer, prompt flow (LLM). Heavy integration with Azure OpenAI and Azure AI Studio.
- LoRA T3
Microsoft Research's Low-Rank Adapters method — trains rank-r matrices added to attention weights; 10000x parameter reduction. Foundation of all adapter-style fine-tuning.
Sources (18 cited facts, 4 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is Data factory for AI vendor
- What it does & what's distinct Originally an enterprise data-labelling platform (annotation tools plus expert RLHF data… vendor
- Claims / benefits $188.9M raised through Series D ($110M, 2022); reportedly ~$300M+ ARR target; expanded i… vendor
- Created 2018 third-party
- Latest release v7.17.0 (2026-10-22) — labelbox SDK registry
- License proprietary; Python SDK Apache-2.0 repo
- GitHub Labelbox/labelbox-python — ~158 stars, last commit 2026-10 repo
- Funding $100M+ Series E 2026-10-14 (equity plus credit facility; $1.25B pre-money; Infinitum Par… vendor
- Customers / scale Walmart, Procter & Gamble, P&G, Adobe, NASA, Genentech; major LLM labs for RLHF. vendor
- HQ San Francisco, CA, USA. third-party
- Founders / pedigree Manu Sharma (CEO), Brian Rieger, Daniel Rasmuson; founded 2018. third-party
- API surface Python SDK, GraphQL API vendor
- MCP support yes — documented MCP client connection for project insights and approved actions vendor
- architecture-deployment-locus cloud vendor
- licensing-bucket commercial repo
- positioning-platform-vs-product both vendor
- taxonomy-three-layer-rollup model-infra repo
- developer-activity-opendigger {"activity":3.44,"as_of":"2026-09","openrank_12mo":4.04,"openrank_current":0.59,"partici… third-party
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)
- 2026-10-29
- Funding / ownership “$188.9M total raised (Series D $110M, 2022-01; led by SoftBank Vision Fund 2).” → “$100M+ Series E 2026-10-14 (equity plus credit facility; $1.25B pre-money; Infinitum Partners led, with Wipro Ventures, a16z, B Capital); previously $188.9M total raised (Series D $110M, 2022-01; led by SoftBank Vision Fund 2).” source
- 2026-10-27
- License first recorded as “proprietary; Python SDK Apache-2.0” source
- Latest release first recorded as “v7.17.0 (2026-10-22) — labelbox SDK” source
- MCP support first recorded as “yes — documented MCP client connection for project insights and approved actions” source