Welo Data

Coverage score

4 / 25 · rank 61 of 88

The same formula is applied to every entry. It counts stated coverage and confirmed figures; it does not measure quality. How the score works.

AI products tested

As stated by the vendor on 2026-11-09

• LLM applications

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Testing services

As stated by the vendor on 2026-11-09

• Red teaming and adversarial testing
• AI security penetration testing
• Bias and fairness audit

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Stated scope

Welo Data states that its red teaming service for LLMs simulates adversarial attacks, including prompt injections, model evasion and data poisoning, and looks for security vulnerabilities such as data leakage and model inversion. The page also describes evaluating a model for hidden biases and assessing it against ethical guidelines and regulatory frameworks such as GDPR.ev-welo-data-07

How the vendor describes itself

As described by the vendor; summarised on 2026-11-09. Client names, performance percentages and prices are left out.

Welo Data describes itself as a managed services partner for AI training data and human-in-the-loop evaluation, not a self-serve marketplace. Its stated service lines cover AI training data, including data collection, annotation, generation, multimodal data and speech AI, and model evaluation, including evals, benchmarking, model selection, red teaming and relevance and intent work. The vendor states that every program is scoped, staffed and monitored by its own team.ev-welo-data-19

Evidence

Every source opened for this entry, with retrieval date and verification date. Verified by AI Testing Vendors.

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