Data as of Aug 25, 2026 · Based on 1,490 AI responses · See how Parse measures this
Legal Research & AI Contract Analysis
ParseChatGPT + Google AIParse
https://parse.gl
Measured across ChatGPT & Google AI| # | Brand | What AI says | Mention rate |
|---|---|---|---|
| 1 |  Thomson Reuters | 37% | |
| 2 |  HarveyEnterprise-focused AI platform automating complex document analysis and legal reasoning. | Enterprise-focused AI platform automating complex document analysis and legal reasoning. | 22% |
| 3 |  Spellbook Microsoft Word-integrated AI assistant for redlining and clause extraction. | Microsoft Word-integrated AI assistant for redlining and clause extraction. | 22% |
| 4 |  TotalPatent One | 21% | |
| 5 |  Alphabet | 20% | |
| 6 |  FastcaseCost-effective primary law access frequently bundled with bar association memberships. | Cost-effective primary law access frequently bundled with bar association memberships. | 18% |
| 7 |  Litera | 17% | |
| 8 |  LuminanceSpecialized machine learning for large-scale document review and anomaly detection. | Specialized machine learning for large-scale document review and anomaly detection. | 16% |
| 9 |  LegalOnTech | 16% | |
| 10 |  Bloomberg | 15% | |
| 11 |  Ironclad | 15% | |
| 12 |  QuislexManaged legal services provider emphasizing structured workflows for high-volume contract review. | Managed legal services provider emphasizing structured workflows for high-volume contract review. | 12% |
| 13 |  Axiom LawOn-demand legal talent for flexible, high-volume contract review support. | On-demand legal talent for flexible, high-volume contract review support. | 12% |
| 14 |  ContraxSuite | 11% | |
| 15 |  Cornell University | 11% | |
| 16 |  Justia | 11% | |
| 17 |  vLex | 10% | |
| 18 |  CourtListener | 10% | |
| 19 |  Evisort | 10% | |
| 20 |  Integreon | 9% | |
| 21 |  Elevate | 8% | |
| 22 |  LegalFly | 7% | |
| 23 |  OpenAI | 6% | |
| 24 |  spaCy | 6% | |
| 25 |  John Snow Labs | 6% |
Who wins on each AI
ChatGPT favors specialized contract analysis brands like Luminance and Integreon, whereas Google AI Overviews prioritizes infrastructure and ingestion tools such as Unstructured and LlamaParse.
Sources AI cited
spellbook.legal is the page AI reaches for most here, cited in 32% of analyzed answers.
Rose from #27 (4%) to #1 (37%) in this ranking between Nov and Aug.
Declined from #1 (59%) to #8 (18%) in this ranking since Nov.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| Harvey | 34% | 10% | |
 Google Scholar | 20% | 20% | |
| TotalPatent One | 16% | 19% | |
| Luminance | 27% | 0% | |
| Westlaw Precision with CoCounsel | 21% | 17% |
The two models disagree most about Ironclad (ChatGPT #3, Google #24) and Harvey (ChatGPT #1, Google #17).
Westlaw Precision with CoCounsel currently holds the top position in this niche, driving the conversation around AI-enhanced legal research. The landscape remains highly competitive, with multiple platforms vying for dominance in document analysis and contract review workflows.
Across 1,490 AI responses, Thomson Reuters is mentioned most, named in 37% of them, followed by Harvey (22%) and Spellbook (22%).
Parse measures each brand's mention rate — the share of answers naming it — across 1,490 AI responses to this market's buyer questions. Answers are collected daily and the ranking is published weekly.
Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.
Lex Machina
Predict.lawThe conversation shifted from general legal research tools to specialized predictive analytics platforms like Pre/Dicta and
Brands mentioned
Lex MachinaPredict.lawI am looking for a legal research platform that uses AI to predict case outcomes.
The conversation shifted from general legal research tools to specialized predictive analytics platforms like Pre/Dicta and
LuminanceAI assistants initially suggested standard contract review tools like Kira Systems, but by 2026 evolved to recommend dedicated RAG-based architectures using
Brands mentioned
LuminanceAI assistants initially suggested standard contract review tools like Kira Systems, but by 2026 evolved to recommend dedicated RAG-based architectures using
