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Home › Compare › Harvey vs Spellbook

Harvey vs Spellbook: what lawyers say.

Short answer. Harvey has net sentiment −21 on 749 public lawyer voices and Spellbook has +40 on 99, as of . Spellbook 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
Spellbook

+40

net · band +27 to +52

99 voices Medium

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

749 voices on Harvey and 99 on Spellbook, 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; Spellbook is a contract drafting tool.

Side by side

Rates and bands, not raw totals.

HarveySpellbook
Voices on record74999
Like · mixed · dislike204 · 101 · 35958 · 18 · 18
Net like minus dislike, % of voices−21 90% band −26 to −15+40 90% band +27 to +52
ConfidenceHighMedium
Per 100 voices: like · dislike · name hallucinations27 · 48 · 559 · 18 · 5
Latest voice

Spellbook has the higher net (+40 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: −61 points (Harvey minus Spellbook).

By task

What they were doing when they posted.

TaskHarveySpellbook
Legal research56 voices · net −111 voice, too few for a net
Drafting59 voices · net +2022 voices · net +32
Contract review43 voices · net +1251 voices · net +39
Citation checking6 voices · net −671 voice, too few for a net
Discovery10 voices · net +200 voices
Summarization19 voices · net +111 voice, too few for a net
General use545 voices · net −3023 voices · net +43

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

Spellbook · complaints

  • Accuracy 18
  • Price 12
  • Hallucination 5

Spellbook · what they value

  • Time saved 18
  • Drafting quality 14
  • Ease of use 14

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
Original thread Share
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
Original thread Share
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
Original thread Share
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 Spellbook · verbatim

r/legaltech
“I do think it’s a decent product if you have funds to burn but cheaper alternatives do almost the same thing.”

in “Spellbook AI Oura Ring Promo” · 3 voices

MixedPriceUnverified voice
Original thread Share
2 more voices in this thread
  • r/legaltech · Sep 20, 2026SpellbookValues“I've also been using Spellbook on cease & desist demands and other regulatory adversarial correspondence, and it's been helpful.”open
  • r/legaltech · Sep 17, 2026SpellbookCriticizes“I was unimpressed by it and my firm wasn't interested”open
r/legaltech
“Hope it doesn‘t show a bad customer service over all because the product itself is good…”

in “Spellbook Oura Ring Demo”

ValuesGeneral useUnverified voice
Original thread Share
r/legaltech
“Out of say, 30 comments it had in analyzing an agreement, most seemed like noise (possibly technically valid, but not helpful) and one or two were interesting and useful but far from being worth the fee.”

in “Astra for Law: the good, bad, and ugly” · 4 voices

CriticizesAccuracyUnverified voice
Original thread Share
3 more voices in this thread
  • r/legaltech · Sep 20, 2026SpellbookValues“No connection to the company - its just the best standalone AI product I've found in all that I've tested.”open
  • r/legaltech · Sep 19, 2026SpellbookValues“Fantastic at transactional playbooks, compare to market, create new drafts, etc.”open
  • r/legaltech · Sep 19, 2026ChatGPTValues“Small open source models and chatgpt pro can do it (depending on your repository size.) I built a small tool that does it for my firm.”open

When both come up in one thread

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

r/legaltech
Harvey
“I got pretty good use out of it for review of multiple docs at the one time and large DD exercises and generally found it pretty good as a drafting assistant”

in “Is co-pilot good enough for in-house generalist?” · 5 voices

ValuesTime savedUnverified voice
Original thread Share
4 more voices in this thread
  • r/legaltech · Aug 20, 2026SpellbookValues“Spellbook has been very helpful for first round edits/issues lists”open
  • r/legaltech · Aug 20, 2026SpellbookValues“I've been using it since it came out in beta and it is phenomenal and plugs right into Word.”open
  • r/legaltech · Aug 20, 2026CopilotNeutral“Use Copilot only for things you can verify from your own knowledge”open
  • r/legaltech · Aug 20, 2026CopilotValues“Kinda/yes - it’s mostly just a wrapper There are rumors they’ve been testing kimi in copilot which outperforms Anthropic and OpenAI on the Harvey bench (legal benchmark)”open
r/legaltech
Spellbook
“I've been using it since it came out in beta and it is phenomenal and plugs right into Word.”

in “Is co-pilot good enough for in-house generalist?” · 5 voices

ValuesEase of useUnverified voice
Original thread Share
4 more voices in this thread
  • r/legaltech · Aug 20, 2026SpellbookValues“Spellbook has been very helpful for first round edits/issues lists”open
  • r/legaltech · Aug 20, 2026CopilotNeutral“Use Copilot only for things you can verify from your own knowledge”open
  • r/legaltech · Aug 20, 2026CopilotValues“Kinda/yes - it’s mostly just a wrapper There are rumors they’ve been testing kimi in copilot which outperforms Anthropic and OpenAI on the Harvey bench (legal benchmark)”open
  • r/legaltech · Aug 20, 2026HarveyValues“I got pretty good use out of it for review of multiple docs at the one time and large DD exercises and generally found it pretty good as a drafting assistant”open
r/LawFirm
Harvey
“For Harvey, we need client consent to upload to third party servers etc.”

in “Do you actually use AI for document stuff, or do you not trust it with client files?” · 4 voices

NeutralDraftingUnverified voice
Original thread Share
3 more voices in this thread
  • r/LawFirm · Jun 5, 2026LegoraValues“There is no way in gods green earth I could get this deliverable out the door today without AI.”open
  • r/LawFirm · Jun 5, 2026ClaudeMixed“It's phenomenal - you can just dump in a big pile of documents and it'll organize the whole thing into a file, write you a memo outlining the facts, etc.”open
  • r/LawFirm · Jun 5, 2026SpellbookValues“It is a great product and it is accesible for solo and small firms vs Harvey and Legora which are mid to large firm focused.”open
r/LawFirm
Spellbook
“It is a great product and it is accesible for solo and small firms vs Harvey and Legora which are mid to large firm focused.”

in “Do you actually use AI for document stuff, or do you not trust it with client files?” · 4 voices

ValuesEase of useUnverified voice
Original thread Share
3 more voices in this thread
  • r/LawFirm · Jun 5, 2026LegoraValues“There is no way in gods green earth I could get this deliverable out the door today without AI.”open
  • r/LawFirm · Jun 5, 2026ClaudeMixed“It's phenomenal - you can just dump in a big pile of documents and it'll organize the whole thing into a file, write you a memo outlining the facts, etc.”open
  • r/LawFirm · Jun 5, 2026HarveyNeutral“For Harvey, we need client consent to upload to third party servers etc.”open

Short answers

From the same record as the tables above.

Harvey vs Spellbook for lawyers: what do lawyers say?

Harvey has net sentiment −21 on 749 public lawyer voices and Spellbook has +40 on 99, as of . Spellbook 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 Spellbook?

We count 749 public voices on Harvey and 99 on Spellbook, 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 Spellbook?

Net sentiment (like minus dislike, as a share of voices) is −21 for Harvey, 90% band −26 to −15, and +40 for Spellbook, 90% band +27 to +52. Spellbook has the higher net (+40 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 Spellbook for?

The task named most often on Harvey is general use (545 of 749 voices); on Spellbook it is contract review (51 of 99 voices). A voice has one task, set by our classifier.

Task reports with both: Contract review report · Drafting report