Centific vs Lionbridge: what each states about AI testing
Centific states 2 product types and 4 services; Lionbridge states 4 product types and 5 services. They share 2 services.
| Attribute | Centific | Lionbridge |
|---|---|---|
| Company type | Data and evaluation vendorev-centific-16 | Data and evaluation vendorev-lionbridge-22 |
| HQ country and citydiffers | Redmond, United Statesev-centific-10ev-centific-17 | Waltham, United Statesev-lionbridge-12ev-lionbridge-14 |
| Delivery locationsdiffers | United States, India and Chinaev-centific-14ev-centific-15 | Belgium, China and United Statesev-lionbridge-19ev-lionbridge-20 |
| AI product types stateddiffers | AI agents and Computer visionev-centific-02ev-centific-03 | LLM applications, Voice AI, Computer vision and Recommender and ranking systemsev-lionbridge-03ev-lionbridge-04ev-lionbridge-05ev-lionbridge-06 |
| Testing services stateddiffers | LLM output evaluation, Red teaming and adversarial testing, Bias and fairness audit and Production monitoring and drift testingev-centific-04ev-centific-05ev-centific-06 | LLM output evaluation, Red teaming and adversarial testing, ML model validation, Training data and labeling QA and Conversational flow testingev-lionbridge-07ev-lionbridge-08ev-lionbridge-09ev-lionbridge-10ev-lionbridge-11 |
| Engagement models stated | Not published | Not published |
| Size band | Not published | Not published |
| Foundeddiffers | Not published | 1996ev-lionbridge-16ev-lionbridge-17 |
| Certifications | Not published | Not published |
| Services stated by one and not the otherdiffers | Bias and fairness audit and Production monitoring and drift testing | ML model validation, Training data and labeling QA and Conversational flow testing |
| Product types stated by one and not the otherdiffers | AI agents | LLM applications, Voice AI and Recommender and ranking systems |
Columns are in alphabetical order. Rows marked "differs" have different values. Evidence markers link to the source rows on each entry page. Checked 2026-11-09 and 2026-11-09.
Questions
Which AI product types do Centific and Lionbridge both state?
Both name computer vision on their AI testing pages.
Which testing services does only one of them state?
Centific alone names bias and fairness audit and production monitoring and drift testing. Lionbridge alone names ML model validation, training data and labeling QA and conversational flow testing.
Are there alternatives to Centific and Lionbridge?
The data and evaluation vendor page lists every published entry of the same type, ordered by coverage score. The score counts stated coverage and confirmed figures; it does not say which vendor fits a project.
This page compares published statements. It does not rate either company.