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
Scale AI, Appen, Labelbox
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)
More AI Infrastructure companies
Official website: https://aixblock.io/