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AIxBlock

Category: AI Infrastructure

Enterprise training data provider for speech and large language models, offering collection, annotation, RLHF, and off-the-shelf audio datasets. AIxBlock was founded in 2023. The company is led by Ha Dao. Based in London, United Kingdom; Amsterdam, Netherlands; San Francisco, USA. Team size: 51-200. Total funding raised: €1.5 million. Latest round: Grant, €1.5M, 2025-08, led by European Union. Key investors include ["European Union"].

Founded
2023
Headquarters
London, United Kingdom; Amsterdam, Netherlands; San Francisco, USA
Team size
51-200
Total funding
€1.5 million

Value proposition

To deliver enterprise-grade training data for voice AI and LLMs at scale across 100+ languages, leveraging proprietary platform technology, global workforce, and self-hosting infrastructure backed by EU innovation funding.

Products and solutions

["Audio & Speech Data Collection and Annotation","Text & Dialogue Data Services (RLHF, Intent/Entity Labeling)","Off-the-Shelf (OTS) Audio Library","Self-Hosted AI Development Platform"]

Unique value

AIxBlock combines 7 years of enterprise data experience, proprietary platform technology, 100+ languages, and EU-backed innovation funding to deliver production-grade training data for speech and LLMs with self-hosting and data sovereignty guarantees.

Target customer

AI engineers, developers, and enterprises, particularly those in the Web3 and decentralized technology space, looking for cost-effective and private AI model development and deployment.

Industries served

["AI Infrastructure","Web3","Decentralized Physical Infrastructure Networks (DePIN)","Software Development"]

Technology advantage

The core advantage is providing a cost-efficient, scalable, and privacy-focused alternative to centralized AI development environments. By tapping into globally underutilized computing resources, the platform significantly lowers the cost of AI training and deployment. Its open-source and on-chain nature promotes transparency and flexibility.

How they differentiate

AIxBlock differentiates itself by offering a decentralized, end-to-end AI development platform that combines AI development, workflow automation, and decentralized compute. This approach, built on blockchain technology, is designed to provide greater privacy, cost-efficiency, and scalability by leveraging underutilized data centers.

Main competitors

["Raiinmaker","0G Labs","Masa"]

Key partnerships

["Hivello","Akash Network"]

Notable customers

["Oracle","AWS","Apple","Uber","Samsung","Uniphore","Chainalysis"]

Major milestones

["Secured a €1.5 million innovation grant from the European Union.","Received pre-approval for an additional €61.5 million in public funding, pending review.","Launched a decentralized AI development platform with an open-source presence on GitHub.","Hosted the 'Multi-AIAgents Hackathon' to foster community engagement and platform adoption."]

Growth metrics

Specific growth metrics such as user numbers or revenue are not publicly available.

Market positioning

AIxBlock is positioned as an enterprise-grade training data partner for speech and LLMs, competing with established data annotation platforms by offering specialized speech/dialogue focus, self-hosting capabilities, and a 7-year track record with Fortune 100 companies.

Geographic focus

Headquartered in the US (Dover, Delaware) with a global workforce spanning 100+ languages. Strategic focus on Europe via the EU Smart&Start Italia grant program, with plans to utilize Italian data centers.

Patents and IP

No public patents found.

About Ha Dao

Former Co-founder of Wow AI (successfully exited)

Official website: