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“Even Perplexity that gives links to the sources, still gives citation wrong when I compare with the relating Rule.”

On r/legaltech · Dec 27, 2025
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Said in “An observation on why legal AI adoption still feels stalled”

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r/legaltech
vLex Vincent
“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/legaltech
CoCounsel
“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.”

in “An observation on why legal AI adoption still feels stalled” · 12 voices

CriticizesTrust, liabilityUnverified 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, 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/legaltech · Dec 21, 2025vLex VincentCriticizes“AI doing research for me has, to date, been almost entirely useless. And that's with vLex.”open
r/biglaw
Perplexity
“It saves so much time and finds cases others have not.”

in “Does anyone find that ChatGPT is just as good as Harvey for legal research?” · 18 voices

ValuesTime savedUnverified voice
17 more voices in this thread
  • r/biglaw · Sep 14, 2026HarveyNeutral“It's not an original product in the truest sense, but it is marketed very well.”open
  • r/biglaw · Sep 12, 2026LegoraCriticizes“Harvey and ChatGPT enterprise offer the exact same controls regarding model training. Legora offers WORSE than chatgpt enterprise.”open
  • r/biglaw · Sep 12, 2026HarveyCriticizes“Try asking Harvey to create a PowerPoint. But Claude can do it just fine.”open
  • r/biglaw · Sep 12, 2026HarveyCriticizes“If you’re using Harvey, you’re being duped.”open
  • r/biglaw · Sep 12, 2026Westlaw AIValuesWestlaw has the better research tool, so Harvey should not be used for legal research. (summary, not a quote)open
  • r/biglaw · Sep 11, 2026ChatGPTValues“ChatGPT, a more general tool available at modest prices, seems to do as good a job for that as Harvey, which is supposedly a more sophisticated product for legal professionals and is of course way more costly.”open
  • r/biglaw · Sep 11, 2026HarveyNeutral“Harvey is just a wrapper for ChatGPT, Claude, and Gemini. You can literally choose which to use.”open
  • r/biglaw · Sep 11, 2026HarveyNeutralHarvey is just a wrapper around other models such as ChatGPT, Claude and Gemini. (summary, not a quote)open
  • r/biglaw · Sep 11, 2026Westlaw AIValuesWestlaw AI is less likely to invent cases than ChatGPT or Harvey, which can hallucinate, so firms prefer it for research. (summary, not a quote)open
  • r/biglaw · Sep 11, 2026ChatGPTValues“I haven’t used Harvey, but I’ve used the Westlaw CoCounsel AI and it is embarrassing how much better ChatGPT is at legal research.”open
  • r/biglaw · Sep 11, 2026HarveyNeutral“Harvey runs ChatGPT under the hood (along with Claude), so they are somewhat derivative.”open
  • r/biglaw · Sep 11, 2026CriticizesChatGPT and Harvey only cover officially published sources, so firms allow research only with legal publishers' own AI tools that cover the full body of law and commentary. (summary, not a quote)open
  • r/biglaw · Sep 11, 2026ChatGPTMixed“ChatGPT is solid in terms of putting out coherent and largely accurate answers to research questions, but I've found that I can't trust any of its actual case cites”open
  • r/biglaw · Sep 11, 2026HarveyCriticizes“Harvey is no real value add. I don’t know how the hell it’s valued so high when the product can be replicated so easily.”open
  • r/biglaw · Sep 11, 2026HarveyValues“I find that the databases these parties (Harvey and Legora alike) created of publicly available legal sources (legislation, guidance and case law to the extent published without paywall) are outperforming the training data or web searches every single time.”open
  • r/biglaw · Sep 11, 2026HarveyValues“Harvey can be privileged, and not use the docs you upload and questions you ask about the case to train the model.”open
  • r/biglaw · Sep 11, 2026HarveyValues“Harvey doesn't do that quite as much and will pick up on a lot more nuance.”open