Fundraising Fox

Sapien AI

Founded 2023 · 35 employees on LinkedIn · 10 known investors

Sapien builds PoQ, an open blockchain-based infrastructure that produces verifiable quality signals for AI training data, letting teams audit and prove the provenance and trustworthiness of data used in AI systems. It targets AI and machine learning teams working with human-powered and ML data workflows.

Also known as Sapien · SAPIEN · Sapien AI Corp.

Founders & leadership

Sapien AI was founded in 2023 by Rowan Stone and Tony Marks.

RS
Rowan StoneCEO
TMTony Marks
Tony MarksinFounder
TK
Trevor KoverkoCSO
KR
Kelly RyanCTO

Investors · 10

Also in the syndicate · 4

AnimocaleadAnimoca VenturesVariantleadYield Guild Gameslead

Company profile

researched Aug 2026

Sapien (Sapien AI Corp.) is a San Francisco–based company working on training data and quality evaluation for AI systems. Its earlier and most widely described offering is a gamified, human-powered data labeling and annotation platform: distributed contributors tag text, images, audio and 3D/4D data (including LiDAR and radar for autonomous systems), build chain-of-thought reasoning datasets, and validate one another's work through peer review, reputation scoring and staking penalties. Third-party directory coverage describes the service as human-in-the-loop labeling and feedback for large language models, delivered with customizable annotation specifications, API access and consultation-based pricing.

The company's current website centers on PoQ ("Proof of Quality"), a process for measuring quality of AI work where there is no ground truth and correctness is a matter of judgment. A customer defines a rubric with criteria, weights and a passing score, adds a batch of outputs, and selects reviewers (their own experts or a Sapien partner). A Task Definition Spec sets out what "good" looks like; agents filter volume while qualified human experts independently score the items without seeing each other's judgments. The output is a Quality Score against the rubric, a Consensus Score showing reviewer agreement, and a Proof Report plus a retained PoQ Record containing the supporting evidence. Advertised applications include assessing label and dataset quality, evaluating model outputs, reviewing agent behavior, and comparing prompts and evaluations.

A Web3 layer accompanies the network. Contributors accumulate points for completed tasks that convert into the SAPIEN token, with a reported default post-TGE payout split of 80% stablecoins (USDC) and 20% SAPIEN, optional 100% token payment, staking multipliers (for example a stated 1.5× for a 12-month lock) and governance rights via veSAPIEN. Sapien maintains a public GitHub organisation whose pinned repository holds its Solidity smart contracts, alongside a "how-we-work" repository and forks of DefiLlama adapters and yield-server.

Business model

Sapien operates a two-sided model: AI builders and enterprises pay for labeled, human-validated data and for quality evaluation of AI work, while a distributed contributor base is compensated for completing and reviewing tasks. Directory coverage lists consultation-based, project-specific pricing rather than published rates, and the current site markets pilots. In the token layer, developers are described as spending SAPIEN to access curated, human-validated data, and contributors receive rewards in stablecoins and SAPIEN.

Custom, consultation-based pricing for enterprise labeling and annotation engagements according to third-party directory coverage; token-denominated payments by developers for access to curated data are described in Web3 coverage. No revenue figures are disclosed in the available sources.

Traction

Crypto-media coverage from August 2025 reports over 1.1 million users (elsewhere in the same article, 1.6 million contributors) across more than 110 countries and more than 187 million completed tasks within roughly a year of launch, with $10.5 million raised. A directory listing cites labelers in over 73 countries and 235+ languages and dialects. The company site claims use by leading teams without naming them. These figures are self-reported or reported secondhand and are not independently verified in the available sources.

Latest developments

The public website currently markets PoQ, inviting pilot requests and early access for builders and workers. The Sapien-io GitHub organisation shows six repositories with commit activity into 2026, including sapien-contracts (Solidity, MIT-licensed), an artc-skills repository, a how-we-work repository and forks of DefiLlama's adapters and yield-server. A November 2025 article describes SAPIEN airdrop Wave 1 as live with further waves planned.

Full profile — market position, technology, go-to-market, geography, history, risks & controversies

Market position

Positioned as a decentralized, crowdsourced alternative to closed corporate data-labeling pipelines, differentiating on contributor incentives and on verifiable quality signals rather than on unverified vendor assurance. Secondary coverage groups it with user-owned AI economy projects such as Bittensor and Ocean Protocol. Independent evidence of scale or share is limited to self-reported contributor and task counts.

The stated differentiators are the combination of expert human judgment with agent-based filtering, independent multi-reviewer consensus in place of a single review, explicit customer-defined rubrics, and a retained, evidence-backed record of the quality result (Proof Report / PoQ Record) that the customer keeps. On the supply side, contributor reputation, peer validation with staking penalties and token-based rewards are presented as mechanisms for quality and alignment.

Technology

Human-in-the-loop annotation combined with agentic pre-filtering and independent multi-reviewer consensus scoring against explicit rubrics and Task Definition Specs, producing quality and consensus scores plus a Proof Report and an auditable PoQ Record. Supporting elements include contributor reputation, peer validation with staking penalties, a gamified mobile task app, support for 3D/4D LiDAR and radar annotation and chain-of-thought reasoning data, and on-chain components: Solidity smart contracts published on GitHub and a SAPIEN token issued on the Base network.

Go-to-market

Direct enterprise sales via pilot requests and early-access sign-ups on the company website, plus community-led contributor acquisition through a gamified app, referral rewards (up to 5% of referees' points for a year), social campaigns, partner communities (Sapien Squad, CookieDAO) and an airdrop tied to the token launch. The company also states an intention to open-source its gamified labeling infrastructure.

AI and machine learning teams needing training data and quality evaluation. Third-party sources cite users in EdTech, insurance, logistics, finance, healthcare, web3 and education, and name Amazon, Baidu, Toyota, Lenovo and the UN as enterprise clients (claim reported by a crypto-exchange learn article, not confirmed by the company site). The current site also addresses "builders" and "workers" separately.

Geography

Headquartered in San Francisco, California, United States, with a distributed contributor base reported across more than 110 countries (a directory listing cites labelers in over 73 countries and 235+ languages and dialects).

History

A trade publication reports the company was founded in 2023 and is based in San Francisco. It raised a $5 million seed round announced in April 2024 to expand its gamified data labeling platform, and a $10.5 million seed round reported for October 2024 led by Variant. The SAPIEN token launched at a Token Generation Event on the Base network on 20 August 2025, accompanied by an airdrop for early contributors. The company's website now foregrounds the PoQ quality-verification product.

Risks & controversies

Reported metrics are inconsistent across sources: the same August 2025 article states both 1.1 million+ users and 1.6 million contributors, and TGE unlock share is given as 25% in one source and roughly 20% in another. Enterprise customer names (Amazon, Baidu, Toyota, Lenovo, the UN) appear only in a crypto-exchange educational article and are not corroborated by the company's own site. Funding-round details come largely from funding-tracker aggregators; the two seed rounds seven months apart are reported under the same label. Third-party directory reviews cite complex initial setup, premium pricing and limited public resources. The contributor-reward model is exposed to token price and vesting dynamics, and the SAPIEN token's incentive-driven task participation creates inherent data-quality and Sybil risks that the platform addresses with peer validation and staking penalties.

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Countries with contributorsAug 2025110
Labeler country coverageAug 202673
Languages and dialects supportedAug 2026235 languages/dialects
Registered contributors/usersAug 20251,100,000 users
SAPIEN token total supplyAug 20251,000,000,000 tokens
Tasks completedAug 2025187,000,000 tasks
Total funding raisedAug 2025$10.5M

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Competitors · 3

by search overlap

Companies competing with Sapien AI for the same Google search keywords, organic and paid, via search-intersection analysis.

Timeline · 4

launches, deals, and filings
Aug 2025
SAPIEN Token Generation Event and airdrop on Base

Sapien held a Token Generation Event for the SAPIEN token on the Base network on 20 August 2025, accompanied by an airdrop to early contributors. Reported total supply is 1,000,000,000 tokens, with roughly 25% (per one source ~20%) unlocked at TGE, including 5% for early contributors based on points earned and 0.5% for the top 10,000 CookieDAO members. Token utilities described include contributor rewards, staking with reward multipliers, governance (veSAPIEN) and payments in the Sapien data marketplace.

source ↗

Jan 2025
Proof of Quality (PoQ) offering presented on company website

Sapien's website presents PoQ, a workflow in which a customer-defined rubric and Task Definition Spec are applied to work batches, agents filter volume, independent expert reviewers score without influencing each other, and the output is a Quality Score, Consensus Score and a Proof Report plus PoQ Record. Stated use cases: data quality, model outputs, agent behavior and prompt quality. The site offers pilot requests and early access sign-up.

source ↗

Oct 2024
Sapien raises $10.5M seed round led by Variant

Sapien raised $10.5 million in a seed round led by Variant, reported as intended to enhance its data collection services.

$10.5M source ↗

Apr 2024
Sapien raises $5M seed to gamify data labeling for AI

Sapien announced a $5 million seed round with participation from Primitive Ventures, Animoca, Artichoke Capital, Ravikant Capital and Yield Guild Games. Proceeds were earmarked for refining and open-sourcing its gamified labeling infrastructure and scaling annotation services for AI model training.

$5M source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

In the news

Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Sapien AI do?
Sapien runs a crowdsourced AI data-labeling network and a Proof of Quality system for verifying AI work quality.
Who founded Sapien AI?
Sapien AI was founded by Rowan Stone, Tony Marks in 2023.
Who are Sapien AI's investors?
Sapien AI's investors include Coinbase Ventures, Transpose Platform Management, Variant Fund, Web3com Ventures, Artichoke Capital, Primitive Ventures.