16 promptschecked Jul 27, 2026, 12:00 AM UTCdailyhow we measure this →CSV / JSON

As ofMethod boundary

In front today

Which legal AI platforms are best for research, drafting, review, analysis, citations, workflow, security, and professional accountability?

100.0%leading brand engine consensus

Ahead of second place: 0%
Held by the top three: 26%
Middle of the board: 66.7%
Below half the leader: 3 of 16

Highest 100.0%Middle 66.7%

Rank 1one bar per published rowRank 16

3 checks behind each row · 100% confidence across rows.

Legal AI prompt brand leaders current rankings
Rank	Name	Leading brand engine consensus	Presence events	Citation URLS	Distinct reviewed brands	Why
01	Which legal AI platforms are best for research, drafting, review, analysis, citations, workflow, security, and professional accountability?	100.0%	8	21	5	This rank Run it
02	Recommend a legal AI platform for drafting and revising agreements, briefs, memos, correspondence, clauses, and transaction documents.	100.0%	8	18	5	This rank Run it
03	Compare legal AI platforms on document, matter, contract, research, billing, email, identity, knowledge, API, and workflow integrations.	100.0%	11	20	6	This rank Run it
04	Compare legal AI platforms on accuracy, citations, jurisdictions, workflows, integrations, confidentiality, governance, support, and price.	100.0%	12	24	6	This rank Run it
05	Create a shortlist of legal AI vendors for a regulated organization standardizing governed legal research and document workflows.	100.0%	11	21	6	This rank Run it
06	How should a buyer compare legal AI pricing across users, matters, documents, research content, modules, implementation, and support?	66.7%	5	13	4	This rank Run it
07	Recommend a legal AI platform for an in-house team managing contracts, requests, policies, knowledge, outside counsel, and business self-service.	66.7%	5	21	3	This rank Run it
08	Recommend an affordable legal AI platform for a small practice that needs reliable research, drafting, document review, and clear limits.	66.7%	5	16	3	This rank Run it
09	Which legal AI platforms are strongest for contract review, extraction, playbooks, redlines, risk, comparison, and approval workflows?	66.7%	7	17	4	This rank Run it
10	Which legal AI platforms are strongest for a law firm that needs matter controls, knowledge integration, auditability, adoption, and support?	66.7%	10	23	6	This rank Run it
11	Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion.	66.7%	9	22	6	This rank Run it
12	Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy?	66.7%	4	21	3	This rank Run it
13	Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?	66.7%	3	19	2	Showing Run it
14	Recommend a legal AI platform for cited case, statute, regulation, secondary-source, and jurisdiction-specific research with verification.	33.3%	2	16	2	This rank Run it
15	Create a reproducible legal AI evaluation covering authority validity, citation support, jurisdiction, dates, holdings, exceptions, and hallucinations.	33.3%	1	10	1	This rank Run it
16	Design a contract-review benchmark for legal AI using known clauses, missing terms, conflicts, defined terms, playbooks, redlines, and explanations.	33.3%	1	8	1	This rank Run it

Primary brandPrompt intentAnswer enginePrompt contains

Run live test

Answer presence47.9%23/48 filtered answers mention or cite Harvey

Selected-set share42.6%Share of answer-presences among the compared brands, not market share

Owned citation answers99 answer-level URL signals on reviewed owned domains

Engine breadth3/3Engines with at least one observed presence

Filtered competitive answer-presence comparison
Brand	Presence	Vs. primary	Selected share	Mentions	Cited answers	Owned URL signals	Engine breadth
Harveyharvey.ai	47.9%23/48	BASE	42.6%	78	9	9	3/3
CoCounselthomsonreuters.com	33.3%16/48	-14.6 pp	29.6%	51	7	7	3/3
Lexis+ AIlexisnexis.com	27.1%13/48	-20.8 pp	24.1%	22	4	4	3/3
vLex Vincent AIvlex.com	4.2%2/48	-43.8 pp	3.7%	0	2	2	2/3

ANSWER-LEVEL OBSERVATIONS

Prompt × engine matrix

16 prompts · 48 immutable answer hashes · empty cells mean no compared brand was detected.

Brand presence by public prompt and answer engine
Public prompt	OpenAIopenai/gpt-4o-mini	Anthropicanthropic/claude-haiku-4-5	Geminigoogle/gemini-2.5-flash
01 Which legal AI platforms are best for research, drafting, review, analysis, citations, workflow, security, and professional accountability?recommendation	CoCounsel · C1 9 source URLs`d21c962d`	HarveyCoCounsel · C1Lexis+ AI · C1 8 source URLs`0e218b70`	CoCounsel · C1 7 source URLs`1a7f431f`
02 Recommend a legal AI platform for cited case, statute, regulation, secondary-source, and jurisdiction-specific research with verification.recommendation	CoCounsel 6 source URLs`74e7f577`	Lexis+ AI 5 source URLs`148dbeca`	No selected brand 6 source URLs`97a0d768`
03 Which legal AI platforms are strongest for contract review, extraction, playbooks, redlines, risk, comparison, and approval workflows?recommendation	Harvey 5 source URLs`b57eba33`	Harvey 8 source URLs`60d75dcb`	No selected brand 8 source URLs`0fa9be89`
04 Recommend a legal AI platform for drafting and revising agreements, briefs, memos, correspondence, clauses, and transaction documents.recommendation	HarveyLexis+ AI · C1 7 source URLs`0e7e2c49`	CoCounsel 7 source URLs`10d505c4`	Harvey 7 source URLs`34edd9f3`
05 Which legal AI platforms are best for litigation teams handling discovery, chronologies, evidence, depositions, motions, authorities, and case strategy?recommendation	Lexis+ AI 6 source URLs`9b2c425c`	No selected brand 8 source URLs`35ff7f26`	No selected brand 8 source URLs`510b6423`
06 Recommend a legal AI platform for an in-house team managing contracts, requests, policies, knowledge, outside counsel, and business self-service.recommendation	Harvey 7 source URLs`4bde955f`	No selected brand 7 source URLs`f132b3a5`	Harvey · C1Lexis+ AI · C1 8 source URLs`cba78497`
07 Which legal AI platforms are strongest for a law firm that needs matter controls, knowledge integration, auditability, adoption, and support?recommendation	CoCounsel · C1Lexis+ AI 7 source URLs`1241f7c9`	HarveyCoCounselLexis+ AI 9 source URLs`1de42f7d`	Harvey · C1 8 source URLs`ab29c90e`
08 Recommend an affordable legal AI platform for a small practice that needs reliable research, drafting, document review, and clear limits.recommendation	HarveyCoCounsel 6 source URLs`1fe554a5`	No selected brand 5 source URLs`1101b54f`	CoCounsel 7 source URLs`0ca9ddbd`
09 Compare legal AI platforms on accuracy, citations, jurisdictions, workflows, integrations, confidentiality, governance, support, and price.commercial	HarveyCoCounsel 7 source URLs`88b46d2e`	HarveyCoCounsel · C1Lexis+ AI 10 source URLs`79999a43`	HarveyCoCounsel · C1Lexis+ AI 8 source URLs`499c2329`
10 Create a reproducible legal AI evaluation covering authority validity, citation support, jurisdiction, dates, holdings, exceptions, and hallucinations.commercial	No selected brand 0 source URLs`b03208a1`	No selected brand 7 source URLs`1eeb1063`	No selected brand 3 source URLs`a025e0fd`
11 Design a contract-review benchmark for legal AI using known clauses, missing terms, conflicts, defined terms, playbooks, redlines, and explanations.commercial	No selected brand 0 source URLs`74df96be`	No selected brand 6 source URLs`f7ae3fad`	Harvey · C1 2 source URLs`f1e257ff`
12 Compare legal AI platforms on privilege, confidentiality, model training, retention, encryption, permissions, residency, audit logs, and deletion.commercial	vLex Vincent AI · C1 8 source URLs`597dc842`	HarveyCoCounselLexis+ AI 8 source URLs`5e4040fb`	vLex Vincent AI · C1 9 source URLs`8d6b44d1`
13 Compare legal AI platforms on document, matter, contract, research, billing, email, identity, knowledge, API, and workflow integrations.commercial	Harvey 6 source URLs`198b4b78`	Harvey · C1CoCounselLexis+ AI 9 source URLs`3b1f90f7`	Harvey · C1 7 source URLs`a87d8219`
14 How should a buyer compare legal AI pricing across users, matters, documents, research content, modules, implementation, and support?commercial	No selected brand 9 source URLs`3a203a7d`	CoCounsel · C1Lexis+ AI · C1 7 source URLs`e93d2267`	No selected brand 4 source URLs`e963d613`
15 Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?commercial	No selected brand 9 source URLs`3768a80d`	Harvey · C1 6 source URLs`0c2f424d`	Harvey · C1 4 source URLs`3e637382`
16 Create a shortlist of legal AI vendors for a regulated organization standardizing governed legal research and document workflows.commercial	Harvey · C1 5 source URLs`2472e29b`	Harvey 8 source URLs`cef85c11`	Harvey · C1CoCounselLexis+ AI 8 source URLs`e68850c3`

STRUCTURED CITATION LEDGER

Sources shaping this filtered view

Hostnames are derived from validated public HTTP(S) URLs, not provider-supplied domain labels.

Validated citation sources in filtered answers
Source hostname	Cited answers	Distinct URLs	Engine breadth	Best position
clio.com ↗	15	13	3	#1
reddit.com ↗	14	12	3	#1
mycase.com ↗	14	2	3	#1
darrow.ai ↗	12	1	3	#1
spellbook.com ↗	10	9	3	#1
legalfly.com ↗	10	6	3	#1
harvey.ai ↗	9	6	3	#1
gc.ai ↗	8	11	3	#1
linkedin.com ↗	8	8	3	#2
ironcladapp.com ↗	8	4	3	#1
legal.thomsonreuters.com ↗	7	4	3	#1
legalontech.com ↗	7	4	2	#1
leanlaw.co ↗	7	2	3	#1
eve.legal ↗	6	2	3	#1
youtube.com ↗	5	5	2	#3
legaltechnologyhub.com ↗	4	4	3	#1
lexisnexis.com ↗	4	4	3	#1
americanbar.org ↗	4	3	2	#1
jdsupra.com ↗	4	3	2	#3
nexlaw.ai ↗	4	3	1	#3

PUBLIC-BENCHMARK PRIVACY BOUNDARY

This report contains only code-reviewed public prompts, deterministic brand counts, answer hashes, and validated structured citation URLs. Full model answers are neither stored nor published here. No customer, organization, or private tracked-prompt data is included.

legal-ai-platforms-2026-07-27 / 4-legal-ai-platforms-2026-07-27-models-64232fd32583

Some explanation inputs are unavailable Missing: comparablePriorRanking.

Published rank: #13
Score: 66.667 percent
Sample size: 3

100% confidence · 100% component coverage · as of Jul 27, 2026, 12:00 AM UTC

SCORE CONSTRUCTION

Component ledger

7/7 evidenced

All components available · 1 evidence record each

Components contributing to Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?'s rank
Component	Value	Weight	Contribution
public prompt brand presence events	3	0%	—
public prompt citation urls	19	0%	—
public prompt distinct reviewed brands	2	0%	—
public prompt engine disagreement	66.666667	0%	—
public prompt leading brand consensus	66.666667	100%	66.667
public prompt leading brand owned citation coverage	66.666667	0%	—
public prompt leading brand owned citation gap	0	0%	—

WHY IT MOVED

new since prior snapshot

No rank delta

no_prior_published_snapshot

No component moved since the prior snapshot.

PRIMARY EVIDENCE

Source trail

7 public records

Reviewed-brand presence eventspublic prompt brand presence events · observed Jul 27, 2026, 12:00 AM UTC3 presence_events100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Distinct citation URLspublic prompt citation urls · observed Jul 27, 2026, 12:00 AM UTC19 urls100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Distinct reviewed brands surfacedpublic prompt distinct reviewed brands · observed Jul 27, 2026, 12:00 AM UTC2 brands100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Cross-engine brand disagreementpublic prompt engine disagreement · observed Jul 27, 2026, 12:00 AM UTC66.667 percent100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Leading-brand engine consensuspublic prompt leading brand consensus · observed Jul 27, 2026, 12:00 AM UTC66.667 percent100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Leading-brand owned-citation coveragepublic prompt leading brand owned citation coverage · observed Jul 27, 2026, 12:00 AM UTC66.667 percent100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Leading-brand owned-citation opportunitypublic prompt leading brand owned citation gap · observed Jul 27, 2026, 12:00 AM UTC0 percentage_points100% confidence
Source
Rank.ai Legal AI Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"promptSlug":"legal-ai-lock-in","corpusVersion":"legal-ai-platforms-2026-07-27","runArtifactIds":["37c12aed-3fa5-4c45-845d-469cef87abad","7b1a7cd2-ab15-4689-b778-41417dec5862","5c9f0985-9b97-4665-88c3-323c5ed2bc15"],"parentSnapshotId":"7469f302-796d-4ba4-a3b9-5005160c89bb","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗

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<iframe src="https://www.rank.ai/embed/boards/legal-ai-platforms-prompt-brand-leaders" title="Legal AI Prompt Brand Leaders" width="100%" height="420" loading="lazy" style="border:1px solid #111;max-width:720px"></iframe>
<p style="font-size:12px">Source: <a href="https://www.rank.ai/rankings/legal-ai/legal-ai-platforms-prompt-brand-leaders">Legal AI Prompt Brand Leaders</a> by Rank.ai</p>

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Legal AI prompt brand leaders

Brand vs. market

Prompt × engine matrix

Sources shaping this filtered view

Which criteria expose research, document, playbook, clause, knowledge, matter, workflow, export, and API lock-in in a legal AI platform?

Component ledger

new since prior snapshot

Source trail

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Prompt × engine matrix

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