Surge AI

PrivateRank #22 by valueUnited StatesFounded 2020surgehq.ai

AI data and post-training company providing expert human feedback, reinforcement-learning environments, model evaluations, and high-skill datasets for frontier AI systems.

AI Data Model Post Training

AI valuation

$24B*^†

Sep 17, 2025 · Forbes

January 20261

2026Surge launches off-the-shelf frontier data catalogSurge Off-the-Shelf Frontier DataProduct launch

Surge launched a catalog of ready-to-license frontier datasets and RL environments covering tool use, professional work, instruction following, and advanced science.

Surge AI Product launchSurge AI Surge Off-the-Shelf Frontier Data

September 20255

Sep 17, 2025Surge supports frontier labs including Google, Meta, Microsoft, Anthropic and MistralSurge AI PlatformPartnership

Surge was reported as a training-data and post-training provider to major technology companies and frontier AI laboratories.

Forbes PartnershipSurge AI Surge AI Platform

Sep 17, 2025Surge estimated at $24 billion$24B* valuation^†Valuation

Forbes estimated Surge AI's value at approximately $24 billion based on its revenue, profitability, and founder ownership; this was not a priced financing.

Forbes ValuationSurge AI

Sep 17, 2025Surge contributor network reaches approximately one million annotatorsSurge AI Platform · 1M annotatorsUser count

Surge was reported to work with approximately one million annotators across its distributed data workforce.

Contrary Research User countSurge AI Surge AI Platform

Sep 17, 2025Surge workforce reaches approximately 110 employees110 employeesEmployee count

Surge was reported to have approximately 110 direct employees, alongside a much larger contributor network.

Contrary Research Employee countSurge AI

Sep 17, 2025Surge reports $1.2 billion of 2024 revenue$1.2B FY2024Revenue disclosure

Forbes reported that Surge generated approximately $1.2 billion in revenue during 2024 and had been profitable from nearly the beginning.

Forbes Revenue disclosureSurge AI

July 20251

Jul 1, 2025Surge seeks up to $1 billion in outside capitalRumored$1B raised^†Funding round

Surge was reported to be seeking up to $1 billion in primary and secondary capital at a valuation above $15 billion; no round had closed.

Reuters Funding roundSurge AI

June 20251

Jun 19, 2025Surge remains bootstrapped without outside fundingNews

Surge was reported to have grown into a major AI data provider without taking external venture funding.

Contrary Research NewsSurge AI

January 20221

2022Surge expands into RLHF and frontier-model post-trainingSurge RLHF and Post-TrainingFeature update

Surge expanded its expert data platform to reinforcement learning from human feedback, preference data, and advanced language-model post-training.

Surge AI Feature updateSurge AI Surge RLHF and Post-Training

January 20201

2020Surge AI launches training-data platformSurge AI PlatformProduct launch

Surge AI launched a high-skill data-labeling and human-feedback platform for artificial-intelligence development.

Surge AI Product launchSurge AI Surge AI Platform

* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology