OpenTrain AI is an AI training and data labeling talent marketplace and managed service that helps teams hire pre-vetted AI Trainers, annotators, and domain experts who work directly inside the customer’s existing tools, with built-in communication and global payments.
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OpenTrain AIOpenTrain AI is a talent marketplace and managed service that connects AI teams and employers with pre-vetted AI Trainers, data labelers/annotators, and AI data vendors. The company positions itself as the “talent layer, not the tool,” enabling customers to hire specialists who work directly inside the customer’s existing annotation, evaluation, or internal tooling rather than requiring migration to a proprietary platform. For self-serve hiring, teams can post a job once and receive curated, ranked shortlists based on AI matching, resume screening, project-specific skill tests, and a live AI interview process. Customers can then hire, manage team communication, share instructions and training materials, track progress, and pay globally through a single workspace with transparent fees. For larger or complex programs, OpenTrain offers a Managed Service that recruits, onboards, trains, manages day-to-day operations, and performs QA while operating inside the customer’s tools and workflows. In addition, OpenTrain provides a vendor marketplace for sourcing pre-vetted data labeling and LLM service providers via a single RFP process with standardized proposals, optional escrow payments, and anonymous sourcing until the customer chooses to reveal their identity.
HC score
verified business cases
No social proof available
Post one RFP and receive standardized proposals from pre-vetted data labeling and LLM service providers; compare proposals in one inbox, message vendors, source anonymously, and optionally use escrow for milestone payments.
Vendor Sourcing
Standardized Proposals
Anonymous RFP
Marketplace to source vetted data labeling and LLM service providers. Post one RFP and receive standardized proposals with pricing, capacity, timelines, and references; compare and message vendors in one inbox; optionally collect proposals anonymously; optional milestone escrow payments.
Vendor RFPs
Standard Proposals
Anonymous RFP
For large or complex projects: OpenTrain recruits, trains, onboards, manages day-to-day operations, and performs QA for dedicated AI data teams while working inside your tools and following your guidelines.
Team Recruiting
Onboarding
Training
Post jobs, receive curated shortlists of pre-vetted AI Trainers & Data Labelers, hire directly into your existing tools, manage communication/instructions, and pay talent globally through OpenTrain.
Vetted Talent
AI Matching
Skills Tests
Hire experts who can work inside common labeling/evaluation tools (or your own custom platform). Includes guidance for inviting hires by email and mentions API integrations with some tools via API key.
Labeling Tool Support
Bring Your Own Tool
API Integrations
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