Opendatabay
Opendatabay: A focused marketplace for discovering, licensing, buying, and delivering AI-ready datasets. Ranked #14 of 26 in Data Marketplace Software by our editors (7.8/10); pricing: Paid; best for AI and synthetic dataset buyers and sellers.
At a glance
- Editor score7.8 / 10
- PricingPaid
- Best forAI and synthetic dataset buyers and sellers
- Data transactionsYes
- Facts checked21 Sep 2026
Where it wins
- Detailed dataset previews, provenance, quality, and licensing information
- Supports provider publishing, sourcing requests, and bespoke data workflows
- Offers downloads, APIs, and provider-controlled delivery options
Where it doesn't
- Web-based access limits the platform footprint
- Dataset prices and access terms vary by provider
- Underlying datasets remain controlled by their providers
Our verdict on Opendatabay
Opendatabay is a web-based data marketplace for AI companies, researchers, enterprises, and data providers. Buyers can search and browse AI, LLM, synthetic, multimodal, and other dataset listings, then review metadata, samples, previews, provenance, quality information, licensing terms, and delivery options. Providers can publish descriptions, metadata, samples, pricing, and licensing details, making the platform relevant to both sides of dataset transactions. It is best suited to teams sourcing data for AI training or LLM fine-tuning, and to providers looking to offer licensed datasets through a marketplace.
Its purchasing model is broad rather than subscription-led. Buyers can access one-time purchases, subscriptions, pay-per-use arrangements, managed access, data licenses, and custom agreements. Dataset prices and access terms are set by providers, while marketplace fees use transaction commissions. The platform also supports sourcing requests and bespoke data workflows, which suits buyers whose needs extend beyond catalog browsing. This flexibility is useful for varied procurement requirements, but organizations seeking a single predictable software subscription should consider how provider-specific pricing fits their purchasing process.
Delivery and provider control are central to the product. Buyers can receive data through downloads or APIs, while official descriptions also cover provider-controlled delivery through customer cloud storage, approved S3 buckets, or secure data environments. Providers retain control of the underlying datasets, and transactions support progressive marketplace commissions. Opendatabay should appeal to buyers who prioritize dataset discovery, licensing context, provenance, and flexible access models. Teams looking for a broader multi-platform ecosystem or a conventional SaaS application may find its web-only marketplace model less suitable.
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Opendatabay pricing
Opendatabay fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Data transactions | Yes |
| Seller publishing | Yes |
| Access controls | Yes |
| Delivery methods | Not verified |
| Private marketplace | Not verified |
| Dataset listing limit | Not verified |
| Commercial model | Transaction_fee |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid (source) |
| Website | opendatabay.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Opendatabay
- Data MarketplaceA broad data marketplace with discovery, licensing, delivery, and query access.9.4
- Advaneo DataMarketplaceA broad data marketplace for organizations managing both open and commercial exchanges.9.2
- AWS Data ExchangeA full-service data exchange for organizations operating across AWS.9.1
See all Opendatabay alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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