COMPARISON · Legal research
Fastcase vs vLex Vincent AI
Sibling research products inside the same group, compared so a firm does not pay twice for overlapping coverage. This page places vendor-published facts side by side. It does not rank the products or state which is better.
| Fact | Fastcase | vLex Vincent AI |
|---|---|---|
| Category | Legal research | Legal research |
| Vendor | vLex (part of Clio) | vLex |
| Status | Active | Active |
| Price path | Contact sales: No public price was located in the checked vendor source. | Contact sales: No public price was located in the checked vendor source. |
| Confidentiality statement | “Not stated” | “Vincent is engineered with security at its foundation, enabling lawyers to leverage cutting-edge AI while maintaining the strictest standards of confidentiality and data protection the legal industry demands.” |
| Training or data-use statement | Not stated: “Not stated” | No-training commitment: “Every interaction with Vincent is secured using envelope encryption with unique conversation keys, further protected by customer-specific master keys managed through hardware security modules.” |
| Firm-size scope | Not stated | Not stated |
| Named connections | Not stated | Not stated |
| Data location | Fastcase Library gives you confident access to the complete U.S. legal landscape, federal and state cases, current statutes. | Not stated |
| Last checked | September 21, 2026 | September 21, 2026 |
Every value above is a dated observation from the vendor’s own published material. Open either tool page for the full evidence ledger and source links.
Editorial assessment, side by side
The rows below are the CounselAtlas editorial desk’s own reading, not vendor statements. They restate what each vendor published and add no claim of its own. Neither column is a rating or a recommendation.
| Assessment | Fastcase | vLex Vincent AI |
|---|---|---|
| Reading the vendor's wording | The checked pages describe the research coverage but do not publish a confidentiality, training, or data-location statement. Because the product now sits inside a larger group, the group's terms are what a firm should read rather than the product page. | The vendor states that Vincent is engineered with security at its foundation, that interactions use envelope encryption with unique conversation keys and customer-specific master keys in hardware security modules, and that it holds SOC 2 and ISO 27001. The key-management detail is more specific than most research tools publish. |
| What adopting it costs | The switching cost is low in infrastructure terms. The real question is consolidation: a firm already paying for vLex or Clio may be paying twice for overlapping research coverage. | It is a research assistant over a content library, so adopting it is usually an incremental decision for firms already using that library. For others it means adopting the library as well. |
| Closest alternative | vLex Vincent AI — The closest alternative, and now a sibling product. Both sit inside the Clio group, so a firm should check whether it already has one before subscribing to the other. | Midpage — The newer research entrant. Both publish security detail; the difference is the content library behind the answers. |
Read the Fastcase record → · Read the vLex Vincent AI record →