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Home › Compare › Harvey vs CoCounsel

Harvey vs CoCounsel: what lawyers say.

Short answer. Harvey has net sentiment −21 on 749 public lawyer voices and CoCounsel has +2 on 411, as of . CoCounsel is ahead on this record: the two 90% bands do not overlap. Net is like minus dislike as a share of voices.

Harvey

−21

net · band −26 to −15

749 voices High

vs
CoCounsel

+2

net · band −4 to +9

411 voices High

CoCounsel ahead on this record: the two 90% bands do not overlap.

749 voices on Harvey and 411 on CoCounsel, all public posts by lawyers and people who work with them, since 2023. This is how they describe using each tool, not a test of the tools. Harvey is a legal AI assistant by Harvey AI; CoCounsel is a legal AI assistant by Thomson Reuters.

Side by side

Rates and bands, not raw totals.

HarveyCoCounsel
Voices on record749411
Like · mixed · dislike204 · 101 · 359152 · 84 · 142
Net like minus dislike, % of voices−21 90% band −26 to −15+2 90% band −4 to +9
ConfidenceHighHigh
Per 100 voices: like · dislike · name hallucinations27 · 48 · 537 · 35 · 7
Latest voice

CoCounsel has the higher net (+2 against −21) and the two 90% bands do not overlap. That describes who posts and how they feel, not which product is better. Difference in net: −23 points (Harvey minus CoCounsel).

By task

What they were doing when they posted.

TaskHarveyCoCounsel
Legal research56 voices · net −11168 voices · net +17
Drafting59 voices · net +2035 voices · net +3
Contract review43 voices · net +126 voices · net −17
Citation checking6 voices · net −677 voices · net +14
Discovery10 voices · net +2018 voices · net 0
Summarization19 voices · net +1133 voices · net −30
General use545 voices · net −30135 voices · net −3

Net here is plain like minus dislike as a share of that task’s voices, with no band: a task needs 5+ voices on a side to show one. Tasks with fewer on both sides are left out. A voice has one task, set by our classifier.

What they complain about and value

Harvey · complaints

  • Accuracy 156
  • Price 146
  • Privacy 46

Harvey · what they value

  • Time saved 72
  • Ease of use 50
  • Accuracy 29

CoCounsel · complaints

  • Accuracy 148
  • Price 56
  • Hallucination 28

CoCounsel · what they value

  • Time saved 55
  • Accuracy 44
  • Data coverage 36

Counts are voices that name that complaint or value (top three per tool). A voice can name one of each. Not a comparison of raw totals: the bigger side has more posts of every kind.

In their own words

Each quote is a verbatim span of a counted voice, with its date and a link to the original.

On Harvey · verbatim

Hacker News
“Lawyer here: Harvey was never very good, or useful. It mostly exists so large law firms can say they do AI.”

in “Claude for Legal” · 9 voices

CriticizesPrice, valueSelf-described lawyer
8 more voices in this thread
  • Hacker News · May 15, 2026ClaudeCriticizes“Everyone is busy discussing how amazing is this collection of markdown files for Claude... which Claude is known to randomly ignore.”open
  • Hacker News · May 15, 2026ClaudeCriticizes“These companies have marketed their products so badly (or well, depending on your viewpoint) that lawyers think that these tools are glorified search engines. Then they get busted in court because the LLM made up citations, quotations etc.”open
  • Hacker News · May 15, 2026ClaudeValuesCautiously optimistic about Claude's agent approach for legal drudgery, but lawyers remain accountable, not Anthropic. (summary, not a quote)open
  • Hacker News · May 15, 2026LegoraCriticizes“I have a friend that runs a firm and uses Legora and can’t stand it.”open
  • Hacker News · May 15, 2026ClaudeCriticizes“I think we should be realistic here, this is a more advanced version of those "will kits" that spit out a PDF.”open
  • Hacker News · May 14, 2026HarveyCriticizes“There's other companies that have a much better understanding of the market and compliance issues but you don't hear about them because nobody wants to talk about legal tech.”open
  • Hacker News · May 14, 2026ClaudeMixed“As a lawyer, I'm excited about this, but there are two roadblocks that I'm not sure how Anthropic will navigate:”open
  • Hacker News · May 14, 2026ClaudeNeutral“It seems like they ripped out Lexis, which is probably one of the most important tools for lawyers: https://github.com/anthropics/claude-for-legal/pull/5 .”open
Hacker News
“That benchmark in the report clearly shows that there is not much added value or moat in the custom training of Harvey.”

in “AI Market Clarity”

CriticizesBenchmarkUnverified voice
Hacker News
“I believe that [...] this startup will win by having the UX that is best focused on lawyers and addresses lawyers' compliance concerns.”

in “Most AI startups are doomed” · 2 voices

ValuesEase of useUnverified voice
1 more voice in this thread
  • Hacker News · Nov 28, 2023ValuesGenerative AI can speed lawyer workflow since legal documents are mostly configurable boilerplate; fake-citation cases were careless. (summary, not a quote)open

On CoCounsel · verbatim

r/Lawyertalk
“I use CoCounsel extensively as a corporate associate. It is very good.”

in “Opinions on CoCounsel?” · 17 voices

ValuesAccuracyUnverified voice
16 more voices in this thread
  • r/Lawyertalk · Oct 19, 2026CoCounselMixedThe Westlaw-backed knowledge base is the real selling point, but drafting and Q&A features are not much better than a well-prompted Claude, so value depends on how research-heavy the practice is. (summary, not a quote)open
  • r/Lawyertalk · Oct 19, 2026CoCounselMixed“I ran a 40 lawyer pilot recently and came away impressed. Expected to hate it based on what I read, but the updated platform they rolled out in August is much better.”open
  • r/Lawyertalk · Oct 19, 2026CoCounselValues“The legal knowledge and database of citations and flags with Claude’s reasoning models can't be beat.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselValues“I attended a demo of Westlaw's CoCounsel a few weeks ago and was thoroughly impressed.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselCriticizes“The last time I ran a prompt through cocounsel, its output was that I should consult an attorney.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It can find cases that answer your question very well. But it can’t understand the significance of anything it finds, making it useless for drafting.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselCriticizes“In my opinion, it’s not enough better than a top tier ChatGPT subscription to be worth paying the price Thompson Reuters is asking.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It's good - based off Claude - with LN resources (if you've paid and have access to them, of course). It's as perfectly mediocre as you'd expect.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselCriticizes“The partner I’m working with LOVES Cocounsel and I consistently struggle to make it do what I need it to do. Almost always faster to do it myself.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselNeutral“No way to save instructions that I know of.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“From my experience, CoCounsel can reliably analyze facts/input I provide it with general legal concepts, but lacks the capacity to narrowly analyze or apply specific case law.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“I think it’s overpriced for what it does. But that’s based on my free trial a couple of months ago.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It's pretty good for broadly picking stuff out of there but connected Claude can't see it which is a bummer.”open
  • r/Lawyertalk · Oct 18, 2026ClaudeValues“I've reduced understating/overstating significantly through those.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“Just act like it’s a law clerk and know you’re going to have to wade thru some crap to get things professional.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It's got access to resources but the actual AI of it doesn't seem any better than the other products out there.”open
r/Lawyertalk
“I attended a demo of Westlaw's CoCounsel a few weeks ago and was thoroughly impressed.”

in “Opinions on CoCounsel?” · 17 voices

ValuesDemoUnverified voice
16 more voices in this thread
  • r/Lawyertalk · Oct 19, 2026CoCounselMixedThe Westlaw-backed knowledge base is the real selling point, but drafting and Q&A features are not much better than a well-prompted Claude, so value depends on how research-heavy the practice is. (summary, not a quote)open
  • r/Lawyertalk · Oct 19, 2026CoCounselMixed“I ran a 40 lawyer pilot recently and came away impressed. Expected to hate it based on what I read, but the updated platform they rolled out in August is much better.”open
  • r/Lawyertalk · Oct 19, 2026CoCounselValues“The legal knowledge and database of citations and flags with Claude’s reasoning models can't be beat.”open
  • r/Lawyertalk · Oct 19, 2026CoCounselValues“I use CoCounsel extensively as a corporate associate. It is very good.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselCriticizes“The last time I ran a prompt through cocounsel, its output was that I should consult an attorney.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It can find cases that answer your question very well. But it can’t understand the significance of anything it finds, making it useless for drafting.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselCriticizes“In my opinion, it’s not enough better than a top tier ChatGPT subscription to be worth paying the price Thompson Reuters is asking.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It's good - based off Claude - with LN resources (if you've paid and have access to them, of course). It's as perfectly mediocre as you'd expect.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselCriticizes“The partner I’m working with LOVES Cocounsel and I consistently struggle to make it do what I need it to do. Almost always faster to do it myself.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselNeutral“No way to save instructions that I know of.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“From my experience, CoCounsel can reliably analyze facts/input I provide it with general legal concepts, but lacks the capacity to narrowly analyze or apply specific case law.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“I think it’s overpriced for what it does. But that’s based on my free trial a couple of months ago.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It's pretty good for broadly picking stuff out of there but connected Claude can't see it which is a bummer.”open
  • r/Lawyertalk · Oct 18, 2026ClaudeValues“I've reduced understating/overstating significantly through those.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“Just act like it’s a law clerk and know you’re going to have to wade thru some crap to get things professional.”open
  • r/Lawyertalk · Oct 18, 2026CoCounselMixed“It's got access to resources but the actual AI of it doesn't seem any better than the other products out there.”open
Hacker News
“I work at a law firm and CoCounsel[1] is pretty good.”

in “Higher-paid employees looking for work are having a tough time”

ValuesGeneral useSays: works at a law firm

When both come up in one thread

Voices from threads where posters name Harvey and CoCounsel. Open the thread for the whole exchange.

r/biglaw
Harvey
“When you know what you are doing and what you want, Harvey is great IMO.”

in “Harvey / Legora are awful.” · 38 voices

ValuesDrafting qualityUnverified voice
37 more voices in this thread
  • r/biglaw · Oct 19, 2026CriticizesLegal SaaS platforms like Harvey and Legora are just wrappers around LLMs, and the author's firm built its own in-house platform and sees their valuations as unjustified. (summary, not a quote)open
  • r/biglaw · Oct 18, 2026HarveyValues“Boomer here, but I think Harvey is incredible.”open
  • r/biglaw · Oct 17, 2026CoCounselNeutral“CoCounsel allows you to build workflows and combine with other sources too, though.”open
  • r/biglaw · Oct 17, 2026HarveyValues“The US caselaw search is better because you can combine it with other sources so you can have it look through a set of litigation documents and run caselaw research to help figure out their significance at the same time.”open
  • r/biglaw · Oct 17, 2026ClaudeValues“To be very clear, in my experience having these systems finely tuned to your individual work vs the level of tuning you can get out of harvey/cocounsel/co-pilot can represent 2-3x productivity increases.”open
  • r/biglaw · Oct 17, 2026HarveyValues“Harvey vault is amazing for working with discovery productions.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Harvey also has a US Caselaw database where whichever model you pick will directly search for cases in the database.”open
  • r/biglaw · Oct 16, 2026CriticizesSays lawyers will not use raw coding or chat tools and need a wrapper around the model to make it usable. (summary, not a quote)open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Harvey can be used with Astra 6 or Fable, your firm just has to agree to API pricing.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Harvey uses the Chat GPT and Claude models and you can actually pick which model.”open
  • r/biglaw · Oct 16, 2026ChatGPTValues“What pisses me off is that our clients ARE using Claude and ChatGPT themselves and we’re stuck using these inferior models.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Alls I know is that I can’t keep track of all the platforms so I stick to my mans Harvey even though the other mans might be better.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“You do realize that Harvey was literally just an interface to access Claude since day 1.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Harvey and Legora are inferior products, by magnitudes, and any firm that exclusively relies on these tools is falling behind in productivity and associate satisfaction.”open
  • r/biglaw · Oct 15, 2026ClaudeValues“If you are using Fable and you give it enough project data, it can function like your associate on that case who has a mastery of facts and super fast turnaround.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Harvey sucks because it's just an API built on top of open-source AI models, which are way behind the models currently available through openAI or Claude.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizesYounger lawyers who grew up with general AI tools would be disadvantaged by using Harvey, while older lawyers can be forgiven for adopting it. (summary, not a quote)open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“This is basically a fine tuned version of the Kimi K3 model which they claim is better but is clearly worse”open
  • r/biglaw · Oct 15, 2026HarveyNeutral“Harvey does have its own propriety model. And yes, if you select a specific model, only the output is generated by that model, not all of the intervening tasks.”open
  • r/biglaw · Oct 15, 2026HarveyNeutral“There is no “Harvey” model. Harvey just picks one of the models based on your prompt.”open
  • r/biglaw · Oct 15, 2026HarveyMixed“I like to think of Harvey as an energetic junior, does their best, a fine starting point, but doesn’t produce a product I’d be willing to send a client without a deeeep review”open
  • r/biglaw · Oct 15, 2026HarveyValues“Harvey's been killing it for me on the transaction side with the rote drafting and title work.”open
  • r/biglaw · Oct 15, 2026CoCounselValues“I’ve been really impressed and don’t see how a tool could be much better”open
  • r/biglaw · Oct 15, 2026CoCounselValues“I’ve been really impressed and don’t see how a tool could be much better”open
  • r/biglaw · Oct 15, 2026HarveyValues“I use Harvey daily and think it’s a fantastic product (as long as you use it to supplement, not replace your work product)”open
  • r/biglaw · Oct 15, 2026CoCounselValues“I use co counsel for litigation and i find it is much more accurate for litigation research than claude, chatgpt, or gemini.”open
  • r/biglaw · Oct 15, 2026Westlaw AIValues“I use co counsel for litigation and i find it is much more accurate for litigation research than claude, chatgpt, or gemini.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Even when I add docs to a vault and ask for a review table, getting Harvey to actually “read” the docs is like pulling teeth.”open
  • r/biglaw · Oct 15, 2026ClaudeValues“Claude code with a syfert.com MCP (or a courtlistener MCP, or ding duff) is 500% better than Harvey and Legora.”open
  • r/biglaw · Oct 15, 2026HarveyMixed“It’s usually right but the times it isn’t it’s REALLY wrong.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“I also do not think I’m getting real Opus 5 when I select it in Harvey. And it’s hella slow.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Harvey profits by arbitrating token costs, so they use the cheapest models they think can get away with for the bulk of response.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“They came out years later than Harvey, when firms already adopted Harvey, but yeah, firms should abandon Harveyw”open
  • r/biglaw · Oct 15, 2026CoCounselValues“My firm has Harvey and CoCounsel, and I just use CC bc it has access to Westlaw.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“It routinely gives me genuinely “lazy” answers that fail to address what are obviously critical aspects of the issue, in a way that is not true of Fable or Astra”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“The only reason firms choose Harvey is it doesn’t use our data to train its AI due to confidentiality, or else they are trash”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“All other tasks, such as the actual research, review, etc, are handled by whatever model Harvey wants, including their own shitty “proprietary” models.”open
r/biglaw
CoCounsel
“CoCounsel allows you to build workflows and combine with other sources too, though.”

in “Harvey / Legora are awful.” · 38 voices

NeutralLegal researchUnverified voice
37 more voices in this thread
  • r/biglaw · Oct 19, 2026CriticizesLegal SaaS platforms like Harvey and Legora are just wrappers around LLMs, and the author's firm built its own in-house platform and sees their valuations as unjustified. (summary, not a quote)open
  • r/biglaw · Oct 18, 2026HarveyValues“Boomer here, but I think Harvey is incredible.”open
  • r/biglaw · Oct 18, 2026HarveyValues“When you know what you are doing and what you want, Harvey is great IMO.”open
  • r/biglaw · Oct 17, 2026HarveyValues“The US caselaw search is better because you can combine it with other sources so you can have it look through a set of litigation documents and run caselaw research to help figure out their significance at the same time.”open
  • r/biglaw · Oct 17, 2026ClaudeValues“To be very clear, in my experience having these systems finely tuned to your individual work vs the level of tuning you can get out of harvey/cocounsel/co-pilot can represent 2-3x productivity increases.”open
  • r/biglaw · Oct 17, 2026HarveyValues“Harvey vault is amazing for working with discovery productions.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Harvey also has a US Caselaw database where whichever model you pick will directly search for cases in the database.”open
  • r/biglaw · Oct 16, 2026CriticizesSays lawyers will not use raw coding or chat tools and need a wrapper around the model to make it usable. (summary, not a quote)open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Harvey can be used with Astra 6 or Fable, your firm just has to agree to API pricing.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Harvey uses the Chat GPT and Claude models and you can actually pick which model.”open
  • r/biglaw · Oct 16, 2026ChatGPTValues“What pisses me off is that our clients ARE using Claude and ChatGPT themselves and we’re stuck using these inferior models.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“Alls I know is that I can’t keep track of all the platforms so I stick to my mans Harvey even though the other mans might be better.”open
  • r/biglaw · Oct 16, 2026HarveyNeutral“You do realize that Harvey was literally just an interface to access Claude since day 1.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Harvey and Legora are inferior products, by magnitudes, and any firm that exclusively relies on these tools is falling behind in productivity and associate satisfaction.”open
  • r/biglaw · Oct 15, 2026ClaudeValues“If you are using Fable and you give it enough project data, it can function like your associate on that case who has a mastery of facts and super fast turnaround.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Harvey sucks because it's just an API built on top of open-source AI models, which are way behind the models currently available through openAI or Claude.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizesYounger lawyers who grew up with general AI tools would be disadvantaged by using Harvey, while older lawyers can be forgiven for adopting it. (summary, not a quote)open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“This is basically a fine tuned version of the Kimi K3 model which they claim is better but is clearly worse”open
  • r/biglaw · Oct 15, 2026HarveyNeutral“Harvey does have its own propriety model. And yes, if you select a specific model, only the output is generated by that model, not all of the intervening tasks.”open
  • r/biglaw · Oct 15, 2026HarveyNeutral“There is no “Harvey” model. Harvey just picks one of the models based on your prompt.”open
  • r/biglaw · Oct 15, 2026HarveyMixed“I like to think of Harvey as an energetic junior, does their best, a fine starting point, but doesn’t produce a product I’d be willing to send a client without a deeeep review”open
  • r/biglaw · Oct 15, 2026HarveyValues“Harvey's been killing it for me on the transaction side with the rote drafting and title work.”open
  • r/biglaw · Oct 15, 2026CoCounselValues“I’ve been really impressed and don’t see how a tool could be much better”open
  • r/biglaw · Oct 15, 2026CoCounselValues“I’ve been really impressed and don’t see how a tool could be much better”open
  • r/biglaw · Oct 15, 2026HarveyValues“I use Harvey daily and think it’s a fantastic product (as long as you use it to supplement, not replace your work product)”open
  • r/biglaw · Oct 15, 2026CoCounselValues“I use co counsel for litigation and i find it is much more accurate for litigation research than claude, chatgpt, or gemini.”open
  • r/biglaw · Oct 15, 2026Westlaw AIValues“I use co counsel for litigation and i find it is much more accurate for litigation research than claude, chatgpt, or gemini.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Even when I add docs to a vault and ask for a review table, getting Harvey to actually “read” the docs is like pulling teeth.”open
  • r/biglaw · Oct 15, 2026ClaudeValues“Claude code with a syfert.com MCP (or a courtlistener MCP, or ding duff) is 500% better than Harvey and Legora.”open
  • r/biglaw · Oct 15, 2026HarveyMixed“It’s usually right but the times it isn’t it’s REALLY wrong.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“I also do not think I’m getting real Opus 5 when I select it in Harvey. And it’s hella slow.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“Harvey profits by arbitrating token costs, so they use the cheapest models they think can get away with for the bulk of response.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“They came out years later than Harvey, when firms already adopted Harvey, but yeah, firms should abandon Harveyw”open
  • r/biglaw · Oct 15, 2026CoCounselValues“My firm has Harvey and CoCounsel, and I just use CC bc it has access to Westlaw.”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“It routinely gives me genuinely “lazy” answers that fail to address what are obviously critical aspects of the issue, in a way that is not true of Fable or Astra”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“The only reason firms choose Harvey is it doesn’t use our data to train its AI due to confidentiality, or else they are trash”open
  • r/biglaw · Oct 15, 2026HarveyCriticizes“All other tasks, such as the actual research, review, etc, are handled by whatever model Harvey wants, including their own shitty “proprietary” models.”open
r/biglaw
CoCounsel
“It’s CoCounsel that is downright alarming to me with how much it hallucinates.”

in “AT&T is cutting its spending on law firms. AI is a big reason why.” · 6 voices

CriticizesHallucinationUnverified voice
5 more voices in this thread
  • r/biglaw · Oct 10, 2026ClaudeValues“I’ve seen the numbers and the AI tooling has paid for itself many times over vs legacy legal spend.”open
  • r/biglaw · Oct 9, 2026ClaudeValuesAs in-house counsel, finds that tailoring projects in Claude has removed most need to send business-specific legal work to large outside firms, whose results were weaker. (summary, not a quote)open
  • r/biglaw · Oct 9, 2026ClaudeValues“Claude is better than a junior associate at all non-human interaction legal tasks now.”open
  • r/biglaw · Oct 9, 2026HarveyCriticizes“Hard to see how that is really worth the cost savings of just having us do it right form the start.”open
  • r/biglaw · Oct 9, 2026Westlaw AICriticizes“It produces some great work product if you don't mind that how confidently wrong it is 50% of the time.”open
r/legaltech
Harvey
“Harvey probably has even more of a moat because of confidentiality issues with most AI products, you might need to disclose to opposing counsel or the court which tool you are using, and Harvey is the one least likely to cause a problem because most of biglaw uses it.”

in “I think Legora may be strategically screwed” · 12 voices

ValuesGeneral useUnverified voice
11 more voices in this thread
  • r/legaltech · Oct 10, 2026ValuesThe author's own command-line code on the same foundation LLM matches or beats Harvey and Legora prompts for general contract review, so output quality, ease of use and price are not the barrier. (summary, not a quote)open
  • r/legaltech · Sep 21, 2026ClaudeMixed“Claude has degraded to the point where it is actually useless. It cannot follow instructions, it cannot see the big picture, and it is a terrible writer.”open
  • r/legaltech · Sep 17, 2026LegoraCriticizes“I can't stand the card-based Word Add In interface.”open
  • r/legaltech · Sep 15, 2026ChatGPTCriticizes“I doubt it's blatant but they'll be using something- your prompts, telemetry, an AI summary of your usage- all technically not your data.”open
  • r/legaltech · Sep 15, 2026LegoraCriticizes“Based on all of our conversations, they don't have a meaningful edge on any of those.”open
  • r/legaltech · Sep 15, 2026CoCounselValues“CoCounsel 1.0 and 2.0 sucked. CoCounsel 3.0 is much much better.”open
  • r/legaltech · Sep 15, 2026HarveyMixed“Midtier AI comfortable users found Harvey interesting and potentially useful and I am considering getting them subscriptions to use what is basically a wrapper.”open
  • r/legaltech · Sep 15, 2026Lexis+ AIValues“Lexis has proprietary content, Shepard, and decades of embedded distribution. That’s an actual moat independent of WL.”open
  • r/legaltech · Sep 15, 2026HarveyCriticizes“I personally think legora and Harvey prove that we are in a bubble. Literally gpt wrappers.”open
  • r/legaltech · Sep 14, 2026LegoraValues“As a question of motive yes, possibly, but Harvey and Legora are using the frontier models under the hood anyway and if you pay the frontier labs for a contract they will agree not to train on your data.”open
  • r/legaltech · Sep 14, 2026ChatGPTValues“The enterprise/business plan of a frontier model, particularly Claude or ChatGPT, is much better.”open

Short answers

From the same record as the tables above.

Harvey vs CoCounsel for lawyers: what do lawyers say?

Harvey has net sentiment −21 on 749 public lawyer voices and CoCounsel has +2 on 411, as of . CoCounsel is ahead on this record: the two 90% bands do not overlap. Net is like minus dislike as a share of voices.

How many lawyers have posted about Harvey and CoCounsel?

We count 749 public voices on Harvey and 411 on CoCounsel, posted since 2023 by lawyers and people who work with them, as of . Each voice is one post or comment that names the tool.

Do lawyers feel better about Harvey or CoCounsel?

Net sentiment (like minus dislike, as a share of voices) is −21 for Harvey, 90% band −26 to −15, and +2 for CoCounsel, 90% band −4 to +9. CoCounsel has the higher net (+2 against −21) and the two 90% bands do not overlap. That describes who posts and how they feel, not which product is better.

What do lawyers use Harvey and CoCounsel for?

The task named most often on Harvey is general use (545 of 749 voices); on CoCounsel it is legal research (168 of 411 voices). A voice has one task, set by our classifier.

Task reports with both: Legal research report · Drafting report · Summarization report