Harvey closed a $300M Series F at a $5B valuation in early 2025, anchoring a category where Big Law procurement budgets finally make AI a real line item. Buyers split clearly: Harvey, Legora, and DeepJudge sell to elite firms for research, drafting, and institutional knowledge search. Spellbook, Lexion, and Draftwise specialize in contract review and negotiation, often for in-house legal teams. EvenUp dominates personal injury demand-letter automation; Eve Legal extends that pattern to plaintiff intake and litigation. Robin AI focuses on legal-document Q&A. Most enterprise pitches now demand sourced citations, hallucination logs, and on-prem or single-tenant deployment to clear bar-association ethical opinions.
CATEGORY
Best AI Legal Tools
69 tools compared · 2026
AI for contract review, legal research, and law-firm workflow automation
69 ai legal startups tracked, with the largest concentration in US. Total tracked funding: $4.7B.
Tracked
69
Total Raised
$4.7B
Countries
10
Active Deals
1
1 
Harvey San Francisco, US $1.7B 2 
Eudia Palo Alto, US $105M 3 
Summize — $50M 4 
Supio Seattle, US $91M 5 
Parley San Francisco, United States $500K 6 
Ironclad San Francisco, US $150.5M 7 
Ivo San Francisco, US $81M 8 
Crosby San Francisco, US $80M 9 
SpotDraft Bengaluru, IN $80M 10 
Enter Sao Paulo, BR $35M 11 
Luminance Cambridge, GB $165M 12 
Wordsmith AI Edinburgh, GB $30M
Funding by year — AI Legal
2019 → 2026Market overview
Key trends 2026
- Vertical wins over horizontal. Harvey and EvenUp target specific legal workflows; generic chatbots underperform on legal citation accuracy.
- Citation auditing is mandatory. After Mata v. Avianca, every legal AI vendor surfaces source documents inline.
- Plaintiff law industrializes. EvenUp and Eve Legal automate demand letters and intake at PI firm scale.
Benchmarks vs global
Harvey valuation (Series F)
$5B
$1.5B Series C in 2023 ↑
AmLaw 100 firms with AI deployments
~80%
~30% in 2023 ↑
Hallucinated citation rate (top vendors)
<3%
>15% on raw GPT-4
Top countries
By startup countStage breakdown
Latest round typeTop investors backing AI Legal
See all →Y Combinator
24 deals
Sequoia Capital
10 deals
General Catalyst
4 deals
Kleiner Perkins
4 deals
Wilson Sonsini Goodrich & Rosati
3 deals
MV
Myriad Venture Partners
3 deals
NV
NextView Ventures
3 deals
BC
Balderton Capital
3 deals
2
20VC
3 deals
Madrona Venture Group
3 deals
Union Square Ventures
3 deals
Khosla Ventures
3 deals
FAQ
Frequently asked
Harvey vs Legora vs Spellbook — when do you pick which?
Harvey is the default for AmLaw 100 firms doing research and complex drafting. Legora is the European challenger, strong in collaborative review. Spellbook is the SMB and small-firm choice, embedded in Word and priced per seat rather than enterprise license.
Is AI-drafted legal work ethical under ABA Model Rules?
ABA Formal Opinion 512 (2024) confirms lawyers can use generative AI but must verify outputs, protect client confidentiality, and consider whether to disclose use. Cite-checking, conflict screening, and supervision obligations all remain on the human attorney.
How are AI legal tools priced for in-house teams?
Lexion, Spellbook, and Robin AI sell per seat at $50-300/month. Harvey and Legora skew enterprise license, often $1-5M annually for large firms. Per-matter pricing exists for EvenUp-style demand-letter automation, where ROI ties cleanly to settlement velocity.
Recent rounds in AI Legal
All rounds →All AI Legal startups
Page 2Definely
AI-powered contract drafting and review built into the lawyer's workflow.
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$40M
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Sandstone
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$4.5M
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Lexion
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ACQUISITION
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Get instant insights from your legal documents with Robin's AI-powered Legal Intelligence Platform.
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$36.5M
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Moritz
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Lucio
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$6M
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Soxton AI
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$2.5M
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Pre-S
Justpoint
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$95M
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S-A
Casium
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$5M
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