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Legal AI

Legal AI prompt Volatility

16 prompts ranked by how much their answers moved since the previous snapshot.
Recorded Oct 8, 2026Rotating scheduleSource: Rank.ai's prompt benchmark: fixed buying questions put to the OpenAI, Anthropic and Google model APIs, with Rank.ai's web searchHow this board is measuredCSV / JSON

126.667 index_points

Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy? ranks first

Prompt volatility index

16

Prompts ranked

Oct 8

Snapshot recorded

2026 · Rotating schedule

2

Answers behind each row

From the OpenAI, Anthropic and Google model APIs

Follow changes

All 16 prompts by prompt volatility index

Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy? leads at 126.667 index_points; the middle of the board sits at 16.7.

Ahead of second place
5.8
Held by the top three
48%
Middle of the board
16.7
Below half the leader
10 of 16
Rank, name and prompt volatility indexMiddle 16.7
  1. 1Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy?126.667 index_points
  2. 2Compare legal AI platforms on document, matter, contract, research, billing, email, identity, knowledge, API, and workflow integrations.120.833 index_points
  3. 3How should a buyer compare legal AI pricing across users, matters, documents, research content, modules, implementation, and support?116.667 index_points
  4. 4Recommend a legal AI platform for cited case, statute, regulation, secondary-source, and jurisdiction-specific research with verification.111.111 index_points
  5. 5Which legal AI platforms are best for research, drafting, review, analysis, citations, workflow, security, and professional accountability?101.667 index_points
  6. 6Which legal AI platforms are strongest for contract review, extraction, playbooks, redlines, risk, comparison, and approval workflows?100.556 index_points
  7. 7Which legal AI platforms are strongest for a law firm that needs matter controls, knowledge integration, auditability, adoption, and support?25 index_points
  8. 8Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?16.667 index_points
  9. 9Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion.16.667 index_points
  10. 10Recommend an affordable legal AI platform for a small practice that needs reliable research, drafting, document review, and clear limits.11.111 index_points
  11. 11Create a shortlist of legal AI vendors for a regulated organization standardizing governed legal research and document workflows.8.333 index_points
  12. 12Recommend a legal AI platform for drafting and revising agreements, briefs, memos, correspondence, clauses, and transaction documents.5.556 index_points
  13. 13Compare legal AI platforms on accuracy, citations, jurisdictions, workflows, integrations, confidentiality, governance, support, and price.1.667 index_points
  14. 14Create a reproducible legal AI evaluation covering authority validity, citation support, jurisdiction, dates, holdings, exceptions, and hallucinations.0 index_points
  15. 15Design a contract-review benchmark for legal AI using known clauses, missing terms, conflicts, defined terms, playbooks, redlines, and explanations.0 index_points
  16. 16Recommend a legal AI platform for an in-house team managing contracts, requests, policies, knowledge, outside counsel, and business self-service.0 index_points

The prompt boards are re-run in rotation, about one category a day, so each board refreshes every few weeks and shows the date of its snapshot.

consensus absolute change: 0 on 13 of 16 rows · winner changed: 0 on 10 of 16 rows · 2 checks behind each row.

Legal AI prompt Volatility current rankings
RankNamePrompt volatility indexDisagreement absolute changeChangeWhy
01Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy?126.667 index_points20 3This rankRun it
02Compare legal AI platforms on document, matter, contract, research, billing, email, identity, knowledge, API, and workflow integrations.120.833 index_points8.3 1This rankRun it
03How should a buyer compare legal AI pricing across users, matters, documents, research content, modules, implementation, and support?116.667 index_points33.3 5This rankRun it
04Recommend a legal AI platform for cited case, statute, regulation, secondary-source, and jurisdiction-specific research with verification.111.111 index_points22.2 3This rankRun it
05Which legal AI platforms are best for research, drafting, review, analysis, citations, workflow, security, and professional accountability?101.667 index_points3.3 1This rankRun it
06Which legal AI platforms are strongest for contract review, extraction, playbooks, redlines, risk, comparison, and approval workflows?100.556 index_points1.1 4This rankRun it
07Which legal AI platforms are strongest for a law firm that needs matter controls, knowledge integration, auditability, adoption, and support?25 index_points16.7 9This rankRun it
08Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?16.667 index_points33.3 4This rankRun it
09Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion.16.667 index_points33.3 ShowingRun it
10Recommend an affordable legal AI platform for a small practice that needs reliable research, drafting, document review, and clear limits.11.111 index_points22.2 5This rankRun it
11Create a shortlist of legal AI vendors for a regulated organization standardizing governed legal research and document workflows.8.333 index_points16.7 This rankRun it
12Recommend a legal AI platform for drafting and revising agreements, briefs, memos, correspondence, clauses, and transaction documents.5.556 index_points11.1 1This rankRun it
13Compare legal AI platforms on accuracy, citations, jurisdictions, workflows, integrations, confidentiality, governance, support, and price.1.667 index_points3.3 8This rankRun it
14Create a reproducible legal AI evaluation covering authority validity, citation support, jurisdiction, dates, holdings, exceptions, and hallucinations.0 index_points0 12This rankRun it
15Design a contract-review benchmark for legal AI using known clauses, missing terms, conflicts, defined terms, playbooks, redlines, and explanations.0 index_points0 12This rankRun it
16Recommend a legal AI platform for an in-house team managing contracts, requests, policies, knowledge, outside counsel, and business self-service.0 index_points0 2This rankRun it

Compare brands

One brand against up to three competitors, answer by answer

16 questions × 3 model APIs · recorded Oct 8, 2026
Run a question live
Compared 4 of 4

43.8%

of these answers name or cite Harvey

21 of 48 answers

45.7%

Its share of the compared brands' appearances

13

Answers citing its own site

14 links to its domains

3 of 3

Model APIs that name it

The compared brands across the filtered answers
BrandNamed or citedAgainst primaryShare of comparedMentionsAnswers citing itLinks to its siteModel APIs
Harveyharvey.ai43.8%21 of 48Primary45.7%2013143 of 3
Lexis+ AIlexisnexis.com27.1%13 of 48-16.7 pts28.3%10572 of 3
CoCounselthomsonreuters.com25.0%12 of 48-18.8 pts26.1%13442 of 3
vLex Vincent AIvlex.com0.0%0 of 48-43.8 pts0.0%0000 of 3

Every answer

Which compared brands each answer names

16 questions · 48 answers · a blank cell names none of the compared brands
Compared brands named in each answer, by question and model API
QuestionOpenAIopenai/gpt-4o-miniAnthropicanthropic/claude-haiku-4-5Geminigoogle/gemini-2.5-flash
01Which legal AI platforms are best for research, drafting, review, analysis, citations, workflow, security, and professional accountability?Recommendation
HarveyCoCounselLexis+ AI
7 sourcesda9f96ce
None named
0 sources2349f567
Harvey, cited 1CoCounsel, cited 1Lexis+ AI, cited 1
10 sources1b260882
02Recommend a legal AI platform for cited case, statute, regulation, secondary-source, and jurisdiction-specific research with verification.Recommendation
Lexis+ AI, cited 3
5 sources8a1a25fc
Harvey
0 sources82252657
Harvey, cited 1
9 sources2fe357aa
03Which legal AI platforms are strongest for contract review, extraction, playbooks, redlines, risk, comparison, and approval workflows?Recommendation
Harvey, cited 1
9 sources676c1b9f
None named
0 sources138d040c
None named
10 sourcesa03f60c5
04Recommend a legal AI platform for drafting and revising agreements, briefs, memos, correspondence, clauses, and transaction documents.Recommendation
Harvey, cited 1
5 sourcesaca9c459
Harvey
5 sources63d2a9fd
Harvey, cited 1
7 sources4b4a7eb0
05Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy?Recommendation
HarveyCoCounselLexis+ AI
6 sources296c55c0
None named
0 sources2c21c0d8
HarveyCoCounselLexis+ AI
8 sources5803eea0
06Recommend a legal AI platform for an in-house team managing contracts, requests, policies, knowledge, outside counsel, and business self-service.Recommendation
HarveyLexis+ AI, cited 1
6 sourcese6c9db56
None named
0 sourcese20a4b71
Harvey, cited 1
10 sourcesa6e7c685
07Which legal AI platforms are strongest for a law firm that needs matter controls, knowledge integration, auditability, adoption, and support?Recommendation
HarveyCoCounselLexis+ AI
7 sourcesdd5274e7
None named
0 sources7353d061
None named
7 sources28969483
08Recommend an affordable legal AI platform for a small practice that needs reliable research, drafting, document review, and clear limits.Recommendation
CoCounsel
5 sources3c49534d
None named
0 sources9a5cd60b
CoCounsel
6 sources07c02c98
09Compare legal AI platforms on accuracy, citations, jurisdictions, workflows, integrations, confidentiality, governance, support, and price.Commercial comparison
Harvey, cited 1CoCounselLexis+ AI
7 sourcese9327f76
None named
0 sources0cd5ab8c
CoCounsel, cited 1Lexis+ AI
6 sourcesdd126a85
10Create a reproducible legal AI evaluation covering authority validity, citation support, jurisdiction, dates, holdings, exceptions, and hallucinations.Commercial comparison
None named
0 sources127070b6
None named
0 sources4e4cfae7
None named
5 sources6297bdc6
11Design a contract-review benchmark for legal AI using known clauses, missing terms, conflicts, defined terms, playbooks, redlines, and explanations.Commercial comparison
None named
0 sources5ae8358b
None named
0 sourcese8c57cee
None named
0 sourcesd016788e
12Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion.Commercial comparison
None named
9 sources444d2e67
None named
0 sources6560d50f
Harvey, cited 1
4 sources82a65673
13Compare legal AI platforms on document, matter, contract, research, billing, email, identity, knowledge, API, and workflow integrations.Commercial comparison
Harvey, cited 2
5 sourcesd766c864
None named
0 sourcesdeb88f07
Harvey, cited 1Lexis+ AI, cited 1
7 sources8ee8dba4
14How should a buyer compare legal AI pricing across users, matters, documents, research content, modules, implementation, and support?Commercial comparison
Harvey, cited 1CoCounsel, cited 1
6 sources6dede2b4
None named
0 sourcesd2340c0b
None named
0 sourcesc8e02785
15Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?Commercial comparison
Harvey, cited 1Lexis+ AI, cited 1
7 sourcesa6204984
None named
0 sources2ea6932f
None named
4 sources139b912a
16Create a shortlist of legal AI vendors for a regulated organization standardizing governed legal research and document workflows.Commercial comparison
HarveyCoCounsel, cited 1Lexis+ AI
6 sourcesfef2ddd3
None named
0 sourcesb8f3976f
Harvey, cited 1CoCounselLexis+ AI
9 sources99b7032d

Sources

The sites these answers cite

Each site is read from the cited address itself.
Sites cited in the filtered answers
SiteAnswers citing itDistinct pagesModel APIsBest position
harvey.ai13921
mycase.com9121
gc.ai8631
nexlaw.ai8321
ironcladapp.com8221
darrow.ai7123
lexisnexis.com5521
spellbook.com5531
youtube.com5512
reddit.com5523
rank.ai4421
clio.com4422
linkedin.com4422
americanbar.org4222
legal.thomsonreuters.com4223
streamline.ai3322
jdsupra.com3222
pro.bloomberglaw.com3212
eve.legal3121
brightflag.com2212

What this report publishesThe public buying questions, the brands each answer names, the sources it cites and a fingerprint of each answer. Answer text is not published, and no customer data is in it.legal-ai-platforms-2026-07-27 / 4-legal-ai-platforms-2026-07-27-models-64232fd32583

Why this rank

Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion. on Legal AI Prompt Volatility

Snapshot of Oct 8, 2026, 12:00 AM UTC · Link to this snapshot

Ranks reviewed prompts by changed leaders and absolute movement between comparable cross-day snapshots.

9

Rank on this board

16.667 index_points

Score

2

Answers behind the score

100% confidence · 1 of 1 components evidenced

What the score is built from

1 of 1 evidenced

Every component evidenced · 1 evidence record each

Components of Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion.'s score
ComponentValueContribution
Volatility index16.66666616.667

Unchanged since the previous snapshot

No change in rank

No component moved since the previous snapshot.

Where each number comes from

4 public records
  • Absolute consensus changeConsensus absolute change · observed Oct 8, 2026, 12:00 AM UTC0 percentage_points100% confidence
    Source
    Rank.ai Legal AI Prompt Benchmark
    Grade
    A
    Freshness
    fresh
    Locator
    {"promptSlug":"legal-ai-security","currentSnapshotId":"6de4f524-1694-4745-bccd-d6fd4a2dc91c","previousSnapshotId":"bf455679-3a63-4c22-b4ca-7addb85d4914"}
    Open the source
  • Absolute disagreement changeDisagreement absolute change · observed Oct 8, 2026, 12:00 AM UTC33.333 percentage_points100% confidence
    Source
    Rank.ai Legal AI Prompt Benchmark
    Grade
    A
    Freshness
    fresh
    Locator
    {"promptSlug":"legal-ai-security","currentSnapshotId":"6de4f524-1694-4745-bccd-d6fd4a2dc91c","previousSnapshotId":"bf455679-3a63-4c22-b4ca-7addb85d4914"}
    Open the source
  • Prompt volatility indexVolatility index · observed Oct 8, 2026, 12:00 AM UTC16.667 index_points100% confidence
    Source
    Rank.ai Legal AI Prompt Benchmark
    Grade
    A
    Freshness
    fresh
    Locator
    {"promptSlug":"legal-ai-security","currentSnapshotId":"6de4f524-1694-4745-bccd-d6fd4a2dc91c","previousSnapshotId":"bf455679-3a63-4c22-b4ca-7addb85d4914"}
    Open the source
  • Leading brand changedWinner changed · observed Oct 8, 2026, 12:00 AM UTC0 boolean100% confidence
    Source
    Rank.ai Legal AI Prompt Benchmark
    Grade
    A
    Freshness
    fresh
    Locator
    {"promptSlug":"legal-ai-security","currentSnapshotId":"6de4f524-1694-4745-bccd-d6fd4a2dc91c","previousSnapshotId":"bf455679-3a63-4c22-b4ca-7addb85d4914"}
    Open the source
Public Legal AI prompt volatility, version 1-parent-807316d79e8f766264 observations · 1 source · quality passed
Snapshot
4e0d12f4-fe4e-4596-9934-8d84ac4de54e
Data hash
6f71bdf79485e937bc6eb5d12cf12b713a2f84202e0e707074cff31d5620afb0
Method hash
691f744ec81be12965dd52f2ef3da24247445973d786a9966d70c590c3c9abf9

More in Legal AI

Legal research, drafting, contract, litigation, and knowledge products ranked across a fixed buying corpus.

3 boards
Legal AI rank

Reviewed legal AI platforms ranked by how often answers to the category's recommendation questions name or cite them, across three model APIs.

See how often AI names you.

Enter your website. In about two minutes, Rank.ai asks ChatGPT, Claude and Gemini 12 questions your customers ask and grades how often they name you.

  • Your grade out of 100How often AI names you, cites your site, and how high it ranks you.
  • Who gets namedEvery competitor in the answers, most named first.
  • The pages AI readsThe sources behind each answer.
  • Three fixesWhat to fix first, with a brief for the first article.