r/Lawyertalk
“It is an excellent tool that saves an enormous amount of time, but you have to know how to use it i.e. very targeted prompts and keywords.”
in “Does everyone use AI?”
ValuesTime savedUnverified voice
What lawyers say about vLex Vincent
Last signal: Oct 1, 2026, a voice. newest voice Oct 1, 2026; no release on record; no official statement read. No vendor price is published here.
Net
+52
Voices
31
Confidence
Low
Rank
No. 4 of 14
90% band +24 to +70
- Trendtoo few recent voices
- Most valuedData coverage 6 voices
- Top complaintAccuracy 5 voices
What the record says · AI Vortex
The most named complaint is accuracy (5 of 31 voices); the most valued thing is data coverage (6). The whole band sits above zero: more lawyers on record like it than dislike it. 1 voice comes from Hacker News, 27 from Reddit and 3 from Bluesky, Mastodon, Lemmy and Stack Exchange.
What they’re saying · verbatim, newest first
r/biglaw
“I find Vincent AI to be good at finding helpful cases that can get you on the right track.”
in “Does anyone like AI for legal research?” · 10 voices
ValuesTime savedUnverified voice
9 more voices in this thread
- r/biglaw · Jun 16, 2026Lexis+ AICriticizes
“The Lexis AI stuff has been disappointing tbh. It feels like they bolted a chatbot onto their existing search without really solving the core problem, which is that you need to verify every single citation anyway so what's the point.”
open - r/biglaw · Jun 13, 2026CoCounselValues
“Getting pointed toward the right cases early makes the rest of the research process much faster”
open - r/biglaw · Jun 12, 2026Westlaw AIValues
“It's a great way for me to get started at looking into the cases but I always read the cases because sometimes their summaries are a bit suspect.”
open - r/biglaw · Jun 11, 2026Lexis+ AICriticizes
“I understand how transformational AI can be for transactional work, but I've found AI to be more or less useless when it comes to legal research.”
open - r/biglaw · Jun 11, 2026
LegoraValues“I thought the same, but we've started using Legora recently and I've been a bit blown away at how much it has helped with research.”
open - r/biglaw · Jun 11, 2026ClaudeValues
“I find deep research on Claude or ChatGPT to be really helpful - the quotes just sometimes have minor errors”
open - r/biglaw · Jun 11, 2026Lexis+ AIMixed
“I like to use Lexis Protege, but I don’t think Lexis’s natural language search is very good.”
open - r/biglaw · Jun 11, 2026Westlaw AIMixed
“I find the Westlaw AI search helpful to give me a point of entry into the cases, but I agree it never gives me the best case, and its narrative explanations of the cases are often inappropriately extrapolated/borderline hallucinated.”
open - r/biglaw · Jun 11, 2026Westlaw AICriticizes
“I have found the actual AI query-based searches to be 85% useless.”
open
r/legaltech
“The attorneys in my firm hated Westlaw CoCounsel, but are very happy with Clio/vLex for AI research.”
in “AI for legal research” · 11 voices
ValuesLegal researchSays: works at a law firm
10 more voices in this thread
- r/legaltech · May 10, 2026CriticizesFound hallucinations in AI contract summaries, says to use Lexis or Westlaw for anything cited, and that AI is fine only for brainstorming. (summary, not a quote)open
- r/legaltech · May 9, 2026
HarveyNeutral“Harvey AI → more workflow/knowledge layer unless connected to research sources”
open - r/legaltech · May 8, 2026MixedDescribes the differences among legal AI tools as mainly retrieval, citation grounding and workflow, with most lawyers using a mix of tools. (summary, not a quote)open
- r/legaltech · May 8, 2026LegoraMixed
“Legora runs deeper research passes than Harvey but the output is dense and hard to skim if you just need a quick answer.”
open - r/legaltech · May 8, 2026HarveyNeutral
“For instance, Harvey cannot do research unless you hook it up to Lexis or your internal documents.”
open - r/legaltech · May 8, 2026ClaudeValues
“I pay for the Claude team subscription even though I'm a solo because team and enterprise have the higher level of security/privacy that attorneys need.”
open - r/legaltech · May 8, 2026ClaudeValues
“It almost never hallucinates with me. I only ask it to find cases, not to write anything.”
open - r/legaltech · May 8, 2026ClaudeValues
“I use Claude mostly for document analysis but for simple legal research, it’s pretty good.”
open - r/legaltech · May 8, 2026
ChatGPTValues“ChatGPT is great at legal research. Use it to get helpful cites and then pull the cases from Westlaw or Lexis.”
open - r/legaltech · May 8, 2026MixedQuality of Copilot, Legora, Harvey and Spellbook research is inconsistent; different tools win on different queries. (summary, not a quote)open
r/Lawyertalk
“Personally I think CoCounsel isn’t worth the hype, but Legora shows a lot of promise. My favorite is Vincent by vLex.”
in “Best use cases for Lexis/Westlaw AI (and learning resources)?” · 3 voices
ValuesGeneral useUnverified voice
2 more voices in this thread
- r/Lawyertalk · Apr 30, 2026ClaudeCriticizes
“I found that for analysis, Claude sucked + also ChatGPT. At least for European + Dutch law.”
open - r/Lawyertalk · Apr 30, 2026Lexis+ AIValues
“They’re both helpful for straight-up legal research (I’ve found Westlaw’s deep research tool particularly effective in answering legal questions), but I’m looking for other, less-obvious ways to use the platforms’ AI tools to streamline workflows.”
open
r/Lawyertalk
“Yes, I'm tracking the litigation offerings, and making some light use of Clio Work (really, vLex's offering) but the tasks I'm presently comfortable use it for (or for which it can save time) are rather elementary.”
in “Anthropic thinks solo practitioners should not use Claude ethically, unlike Google and OpenAI” · 28 voices
MixedAccuracyUnverified voice
27 more voices in this thread
- r/Lawyertalk · Apr 3, 2026ClaudeValues
“I usually deidentify anyway, but I find Claude so much more useful.”
open - r/Lawyertalk · Apr 3, 2026
Values“Not sure if you’ve used tools like Spellbook, but it’s extremely powerful for legal drafting and contract review.”
open - r/Lawyertalk · Apr 3, 2026Lexis+ AICriticizes
“Lexis AI produces case law that doesn’t say what Lexis claims it says for cases that are complex enough to actually research.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutralThe consumer terms only say materials may be used for training unless the user opts out, with exceptions for feedback and safety review, so the claimed objectionable language is not there. (summary, not a quote)open
- r/Lawyertalk · Apr 3, 2026ClaudeValues
“Doesn’t feel great to buy more than you need but 150 a month is not extortionate for a lawyer using Claude for business.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutral
“I’m honestly floored at how many people do not know that the native chat is different from the API.”
open - r/Lawyertalk · Apr 3, 2026ClaudeValues
“Claude is by far the best LLM in my opinion.”
open - r/Lawyertalk · Apr 3, 2026ClaudeValues
“ChatGPT has a two seat minimum, which is less bad, but I prefer Claude.”
open - r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“Anthropic’s consumer TOS is a privacy waiver. Full stop.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutral
“You can set up Claude with the equivalent Enterprise set up with claude api.”
open - r/Lawyertalk · Apr 3, 2026ClaudeValues
“Anthropic also changed its policy to allow any user to opt out of information being used for model training, so it's all moot.”
open - r/Lawyertalk · Apr 3, 2026ClaudeValues
“I exclusively use the API for legal work and it’s more powerful than the chat interface, and it’s way more expensive so Anthropic definitely wants companies to use it.”
open - r/Lawyertalk · Apr 3, 2026ClaudeValues
“We have it at my firm, which is 30-35 lawyers, and it is very inexpensive relative to other software we use (e.g. Everlaw).”
open - r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“Claude still has rights to train on this data to improve their future models, and also to share with third parties at their will.”
open - r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“If OpenAI and Google are willing to meet one-seat business users where they are, Anthropic forcing a five-seat jump makes Claude much harder to justify for anyone handling sensitive client or business material.”
open - r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“The TOS still waives your right to privacy, grants Anthropic ability to share your chat with third parties unannounced, denies you any IP indemnification, the right to request immediate destruction of your data on their servers, amongst other things.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutral
“Im working on an internal tool that let's me sanitize, work in Claude, then rehydrate the output.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutral
“He thinks Claude is a better product, but Claude is inherently more expensive if he wants privacy protections.”
open - r/Lawyertalk · Apr 3, 2026ClaudeValues
“I prefer to use the frontier models’ native interfaces instead of API hookups, as the quality of the system-prompted reply and experience has a marked difference (I am a non-developer and use the service mainly for research or problem solving).”
open - r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“There is no IP idemnification, and Anthropic still reserves the right to share your information with third parties.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutralThe author prefers Claude's native interface over API hookups because the system prompts make the output noticeably better. (summary, not a quote)open
- r/Lawyertalk · Apr 3, 2026ClaudeValues
“If I use it to draft something, I have it use Plaintiff and Defendant and other generic terms. But from what I’ve tested, it is the best at actually outputting something useful.”
open - r/Lawyertalk · Apr 3, 2026Lexis+ AICriticizes
“The one closed AI that offer safety for lawyers is Lexi’s AI/protege. But it sucks *ss so bad.”
open - r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“It's not a matter of honesty - if Claude can offer it to 5+ seat bundles, they can offer it to individuals, even if it's at a premium.”
open - r/Lawyertalk · Apr 3, 2026ClaudeNeutralThe author replaces identifying details with pseudonyms before uploading documents, but notes that Claude sometimes works in a missed real detail. (summary, not a quote)open
- r/Lawyertalk · Apr 3, 2026ClaudeCriticizesSays Anthropic does not offer individual users the business-level privacy terms that Google and OpenAI do. (summary, not a quote)open
- r/Lawyertalk · Apr 3, 2026ClaudeCriticizes
“Anthropic’s business-tier options require a five-seat minimum. That means you either pay for three or four extra empty seats, or stay on the consumer plan, which lacks the contractual privacy posture you need.”
open
r/legaltech
“Vlex just produced a hallucination. You want something that works and you can trust them just spend the money on the big guys.”
in “Is unbundling research actually viable for Federal Lit?” · 2 voices
CriticizesHallucinationUnverified voice
1 more voice in this thread
- r/legaltech · Feb 8, 2026vLex VincentMixed
“We’ve been trialing vLex (Vincent) because the AI summaries are decent, but the renewal quote is steep, and honestly, we barely touch the global/international databases.”
open
r/legaltech
“We’ve been trialing vLex (Vincent) because the AI summaries are decent, but the renewal quote is steep, and honestly, we barely touch the global/international databases.”
in “Is unbundling research actually viable for Federal Lit?” · 2 voices
MixedPriceUnverified voice
1 more voice in this thread
- r/legaltech · Feb 8, 2026vLex VincentCriticizes
“Vlex just produced a hallucination. You want something that works and you can trust them just spend the money on the big guys.”
open
r/LawFirm
“I do not trust Vincent AI anymore my my data is gone after 3weeks!”
in “Anyone tried Vincent AI? Anyone been impressed by any AI utilities?” · 9 voices
CriticizesTrust, liabilityUnverified voice
8 more voices in this thread
- r/LawFirm · Mar 9, 2026vLex VincentValues
“Pretty much provides a Westlaw Mass Practice report. I've been impressed so far.”
open - r/LawFirm · Nov 10, 2025ChatGPTCriticizes
“Frequent hallucinations and consistently misreading statutes/codes and numbers.”
open - r/LawFirm · Apr 25, 2025Westlaw AICriticizes
“I uploaded a federal regulation into westlaw and it broke/hallucinated on me to no end.”
open - r/LawFirm · Apr 25, 2025Westlaw AIValues
“It has significantly shortened research time probably by 75% for me.”
open - r/LawFirm · Apr 25, 2025ChatGPTValues
“I did the work on my own as well and the AI nailed every question—though it did get confused as to what I was trying to accomplish because my questions covered a few different scenarios, but that feels more like user error.”
open - r/LawFirm · Apr 25, 2025ChatGPTValues
“I’ve been impressed by chatgpt on smaller tasks.”
open - r/LawFirm · Apr 25, 2025ClaudeValues
“Claude 3.7 > ChatGPT.”
open - r/LawFirm · Apr 25, 2025ChatGPTCriticizes
“The time spent prompting, verifying, and correcting hallucinations has seemed equal to or greater than if I had just done the task without it.”
open
r/legaltech
“AI doing research for me has, to date, been almost entirely useless. And that's with vLex.”
in “An observation on why legal AI adoption still feels stalled” · 12 voices
CriticizesAccuracyUnverified voice
11 more voices in this thread
- r/legaltech · Jan 20, 2026GeminiCriticizes
“IMHO. If you need the exact process that AI used to get your answer, you need to use a closed environment where you control the data, logic algorithms and training in order to trace back all of the details.”
open - r/legaltech · Dec 27, 2025PerplexityCriticizes
“Even Perplexity that gives links to the sources, still gives citation wrong when I compare with the relating Rule.”
open - r/legaltech · Dec 27, 2025ClaudeValues
“ChatGPT gave a 'plausible' summary, but Claude 3.5 was the only one that pulled the exact verbatim 40-day requirement from the Dec 2024 amendments.”
open - r/legaltech · Dec 27, 2025GeminiValues
“I think it’s hard to dispute that, in the right hands, tools like Gemini 3, NotebookLM, or GPT 5.2 are powerful and can help people who know what they’re doing and are smart and cognitively flexible enough to work with fallible, hallucinating computer brains and make them work.”
open - r/legaltech · Dec 26, 2025CoCounselCriticizes
“I've used AI stuff like Spellbook, CoCounsel, AI Lawyer, and the pattern I keep seeing is that the analysis label doesn't matter if the UI encourages people to accept changes like autopilot.”
open - r/legaltech · Dec 26, 2025ValuesGeneral-purpose chatbots are expected to invent details and lawyers must check filings, but the author thinks specialized tools are useful and do not make lawyers worse. (summary, not a quote)open
- r/legaltech · Dec 25, 2025ChatGPTCriticizes
“It fed me hallucinations after hallucinations, building upon the original one, through maybe a 25-40 prompt discussion.”
open - r/legaltech · Dec 25, 2025CriticizesAI is a negligible part of most law practices, tech vendors do not understand legal work, and lawyers are right to adopt slowly. (summary, not a quote)open
- r/legaltech · Dec 23, 2025ChatGPTCriticizes
“If ChatGPT is doing your legal writing, you’re playing with fire.”
open - r/legaltech · Dec 22, 2025GeminiCriticizes
“Gemini is literally a work in progress. So is NotebookLM.”
open - r/legaltech · Dec 22, 2025GeminiValuesGemini and NotebookLM are clearly useful for lawyers who write and work with large document sets. (summary, not a quote)open
r/LawFirm
“It’s legal-specific and pulls from the Fastcase database.”
in “What AI programs are you all using?” · 19 voices
NeutralData coverageUnverified voice
18 more voices in this thread
- r/LawFirm · Mar 21, 2026ChatGPTValues
“For medical records summarization, a couple people in my firm use general LLMs with a structured prompt works surprisingly well.”
open - r/LawFirm · Jan 26, 2026ChatGPTCriticizesChatGPT missed contradictory findings and treatment gaps in medical record summaries, so the author switched to a specialized tool. (summary, not a quote)open
- r/LawFirm · Jul 3, 2025ChatGPTCriticizes
“ChatGPT has shown this odd tendenancy to hallucinate citations or stretch their significance.”
open - r/LawFirm · Jul 3, 2025ChatGPTNeutralPays for ChatGPT Plus but always double checks citations and facts, and is considering Claude. (summary, not a quote)open
- r/LawFirm · Jul 2, 2025Values
“It comes in clutch when I get a client in an industry I’m unfamiliar with too.”
open - r/LawFirm · Jun 27, 2025ChatGPTCriticizes
“I was shocked the other day when a client shared an agreement that was “based on a BigLaw form and some other stuff”—it was clearly written with ChatGPT and THE CONTRACT DID NOT HAVE CONSIDERATION”
open - r/LawFirm · Jun 27, 2025Lexis+ AICriticizes
“For now, it’s mostly just a more sophisticated different kind of google search, that might or might not hallucinate a result.”
open - r/LawFirm · Jun 27, 2025Lexis+ AIMixed
“It's a good start off point, but even when I ask Lexis AI a question, it cites cases, and summarizes the, but when you look at the case - it doesn't say exactly what it says it says.”
open - r/LawFirm · Jun 26, 2025ValuesFinds a rival tool simpler and more intuitive than Spellbook, producing first drafts with redlines from an email, and is surprised by its functionality. (summary, not a quote)open
- r/LawFirm · Jun 26, 2025ChatGPTCriticizes
“Both hallucinate cases and statutes so it takes more time to check their cites than it does to just do it myself.”
open - r/LawFirm · Jun 26, 2025CoCounselCriticizes
“A few attorneys have revealed to me that they've used CoCounsel to get a quick medical summary and that's it's complete shit compared to what we, the paralegals, produce.”
open - r/LawFirm · Jun 26, 2025Lexis+ AIMixed
“I use Lexis AI, and it is much better than it was a year or so ago. Still not that great, but I couple it with ChatGPT for certain projects.”
open - r/LawFirm · Jun 26, 2025CoCounselCriticizesFinds it unacceptable how long CoCounsel takes just to say a one-sentence search is outside its scope. (summary, not a quote)open
- r/LawFirm · Jun 26, 2025CoCounselValues
“I find it useful, when WL was selling it they said it operates at about the level of a 2nd year associate.”
open - r/LawFirm · Jun 26, 2025CoCounselValues
“Co-counsel is helpful for basic research. It does not hallucinate and you can click on the cases and read them.”
open - r/LawFirm · Jun 26, 2025ChatGPTMixed
“Surprisingly, every citation ChatGPT has provided so far has been accurate.”
open - r/LawFirm · Jun 26, 2025CriticizesParalegal doesn't use AI, finding it unhelpful for legal research and lacking the judgment needed for tasks like medical record summaries. (summary, not a quote)open
- r/LawFirm · Jun 26, 2025Values
“I haven’t used Westlaw’s, but have used Lexis’ and Spellbook. In my opinion, Spellbook is way better.”
open
Every voice on record, one line each
One-line summaries are written by our classifier, not quotes. Follow “open” for the original.
| Date | Source | Stance | Task | Summary | |
|---|---|---|---|---|---|
| Oct 1, 2026 | r/Lawyertalk | Values | General use | Vincent, limited to the chosen jurisdiction's data and linking to real cases, saves a great deal of time with low hallucination risk if prompted well and reviewed by a lawyer, while ChatGPT is called garbage for lawyers. | open |
| Jun 11, 2026 | r/biglaw | Values | Legal research | Vincent AI is good at finding useful cases and is faster than building Lexis or Westlaw queries, though regular searches are still needed to confirm completeness. | open |
| May 8, 2026 | r/legaltech | Values | Legal research | The firm's attorneys disliked Westlaw CoCounsel but are very happy with Clio/vLex for AI research. | open |
| May 6, 2026 | Bluesky · bsky.app | Criticizes | Legal research | The author complains that vLex has made legal research harder and the product worse. | open |
| Apr 30, 2026 | r/Lawyertalk | Values | General use | Finds CoCounsel not worth the hype, sees promise in Legora, and prefers Vincent by vLex. | open |
| Apr 3, 2026 | r/Lawyertalk | Mixed | Legal research | The author makes light use of Clio Work (vLex) and finds it can save time on elementary tasks, but doubts LLMs will do much more for litigators. | open |
| Mar 9, 2026 | r/LawFirm | Values | Legal research | Impressed that Vincent returns issue overviews with cites from its database, much like a Westlaw practice report and far cheaper. | open |
| Feb 9, 2026 | r/Lawyertalk | Values | Legal research | Vincent AI greatly cuts research time and is far better than ChatGPT, though every result must still be checked and read. | open |
| Feb 8, 2026 | r/legaltech | Mixed | Legal research | vLex Vincent's AI summaries are decent, but the renewal is expensive for a firm that doesn't use its global databases, so they're considering unbundling. | open |
| Feb 8, 2026 | r/legaltech | Criticizes | Legal research | vLex produced a hallucination, so for trustworthy research the author advises paying for the larger established providers. | open |
| Jan 28, 2026 | r/LawFirm | Criticizes | General use | No longer trusts Vincent AI after their data disappeared within three weeks and support did not help. | open |
| Dec 21, 2025 | r/LawFirm | Values | Legal research | The author is very happy with Clio Work (including vLex) at half the price, and finds it current, though they only pull cases from three federal courts. | open |
| Dec 21, 2025 | r/legaltech | Criticizes | Legal research | AI research, even in vLex, has been almost useless; Boolean and natural language searching work far better, and AI should speed up workflow rather than replace work product. | open |
| Nov 13, 2025 | r/legaltech | Values | General use | Vincent has no model of its own and only runs a retrieval flow over existing datasets, though it is still powerful, and the author has not seen Clio at the large firms they work with. | open |
| Nov 12, 2025 | Hacker News | Values | Legal research | ChatGPT was solid on underlying legal reasoning, but the author used Vincent AI to find caselaw, which was worth the monthly cost compared with attorney fees. | open |
| Nov 11, 2025 | r/legaltech | Values | Legal research | Vincent AI is great for legal research but the author has found little for compliance work. | open |
| Oct 30, 2025 | Bluesky · bsky.app | Criticizes | Citation checking | A lawyer reportedly checked citations on vLex, which allegedly produced full fake opinions for fake cases, though the judge doubted this. | open |
| Oct 20, 2025 | r/Lawyertalk | Values | Legal research | Finds AI Lawyer most consistent for drafting and trusts vLex Vincent and Fastcase more than general LLMs for case law research. | open |
| Aug 4, 2025 | r/legaltech | Values | General use | vLex Vincent is a cheaper alternative to Harvey and is free for members of the California lawyer association. | open |
| Jul 3, 2025 | r/legaltech | Criticizes | General use | vLex doesn't compare to Westlaw or Lexis, Vincent has been mediocre from the start, and the acquisition leaves Clio with legacy SaaS with an AI sticker. | open |
| Jun 26, 2025 | r/LawFirm | Neutral | Legal research | Uses Vincent AI for legal research and document analysis, noting it is legal-specific and draws on the Fastcase database. | open |
| Jun 26, 2025 | r/Lawyertalk | Values | General use | Has not had the problems others describe with Vincent AI, noting that how the question is worded matters. | open |
| May 11, 2025 | r/legaltech | Values | General use | The author used Vincent AI and likes it, noting it upgrades very fast and the upgrades are often game-changing. | open |
| Apr 7, 2025 | r/legaltech | Values | General use | Uses Vincent AI from vLex and considers it a cut above the other tools mentioned. | open |
| Apr 1, 2025 | r/legaltech | Values | Legal research | Having tried many tools, ranks Vincent AI as their first choice for research and argument construction. | open |
| Mar 9, 2025 | r/legaltech | Values | Legal research | Vincent AI beats Alexi in testing with zero hallucination, a great interface with follow-up questions, and a reasonable price. | open |
| Mar 8, 2025 | r/legaltech | Values | Legal research | In testing against Alexi, Vincent AI is winning handily and is much more thorough and helpful. | open |
| Jan 28, 2025 | Bluesky · bsky.app | Values | Legal research | Legal research AI tools are generally slow to let the attorney choose sources, but vLex Vincent and midpage handle this well. | open |
| Dec 10, 2024 | r/Lawyertalk | Values | Legal research | The author found a vLex/Fastcase demo impressive and suggests trying it before paying for Westlaw. | open |
| Nov 23, 2024 | r/legaltech | Values | Legal research | vLex's integrated gen AI is powerful and offers a lot of functionality, worth checking out. | open |
| Sep 17, 2024 | r/Lawyertalk | Values | Legal research | The author sees vLex as taking market share from Thomson Reuters, with Lexis AI a distant third. | open |
Alternatives in the same category
Other tools filed under Research platform, ordered by net score (like minus dislike per 100 voices), each with its 90% band and how many voices it rests on. A tool under 10 voices is listed, not rated. No one pays for a place here.
- Westlaw AI+6 net90% band −3 to +14268 voicesvLex Vincent vs Westlaw AI →
- Lexis+ AI−14 net90% band −23 to −6294 voicesvLex Vincent vs Lexis+ AI →
Head to head
vLex Vincent against the tools lawyers look up next to it. All comparisons →
Public benchmarks that name vLex Vincent: Vals Legal AI Report (VLAIR), first edition. Other publishers’ figures, with their dates.
Task reports with this tool: Legal research report
Quarter by quarter
Last 8 quarters. All tools, with the events around each change →
| Quarter | Voices | Share of voice | Net 90% band |
|---|---|---|---|
| 2025 Q1 | 3 | 1% | n<5 |
| 2025 Q2 | 5 | 1% | +80 +19 to +92 |
| 2025 Q3 | 2 | 0% | n<5 |
| 2025 Q4 | 7 | 1% | +43 −17 to +80 |
| 2026 Q1 | 5 | 1% | 0 −53 to +51 |
| 2026 Q2 | 5 | 1% | +40 −25 to +75 |
| 2026 Q3 | 0 | 0% | n<5 |
| 2026 Q4 | 1 | 1% | n<5 |
Which model the tool says it uses
Only what the vendor or the model provider says on its own pages, read on Oct 22, 2026. “Not disclosed” means we found no official statement.
| Tool | Model | Status | Period | What the official page says |
|---|---|---|---|---|
| vLex Vincent | OpenAI GPT, Google Gemini, Anthropic Claude | Uses | as of 2026 (page undated) | vLex support page says Vincent draws on models from OpenAI, Google and Anthropic. Source Understanding the AI Models Used by Vincent, source page undated, read Oct 22, 2026 |