Legal AI Index
The Legal AI Research Hub
The Statista for legal AI: every chart, benchmark and study behind the HAQQ Legal AI Index, in one place. Explore the data on how AI is actually used, how well it performs, and where the market is going.
Three studies, one index
The studies behind the Index
Cross-Model Benchmark
HAQQ's own measured benchmark: 19 legal AI models scored out of 50 across 11 legal task categories.
ExploreLegal AI Index
The full data report: 134,000+ data points across 30 countries and 33 sections of analysis.
ExploreLegal Agent Study
All-pass rubric grading of AI agents on long-horizon legal work across 24 practice areas.
ExploreA note on naming: the Cross-Model Benchmark scores 19 models out of 50 across 11 legal task categories. It is distinct from our consumer benchmark of 100 real legal questions and our 300-task commercial benchmark, which are separate studies published on the blog.
Browse the data
Every graph in the Index
29 interactive charts across the legal AI landscape - click any graph for the data, methodology and sourcing.
How legal AI is used
What lawyers actually ask AI to do, across tasks and prompt types.
Top Legal Tasks by AI Usage
The legal tasks lawyers most often hand to AI, ranked by share of usage.
Legal AI Request Clusters
The largest clusters of real legal requests sent to AI, by volume.
Prompt Type Distribution
What lawyers ask AI to do, split across research, drafting, analysis and more.
Work vs. Personal Use Cases
How legal AI usage splits between professional work, personal and coursework.
Prompt Engineering Impact
How prompting technique changes accuracy, completeness and relevance of legal answers.
AI vs. human capability
Autonomy, time savings and where human judgment still leads.
AI Autonomy Scores by Task
How autonomously AI can handle each legal task, on a 1-5 scale with confidence intervals.
Time Savings by Legal Task
Median hours saved per task when a lawyer works with AI versus alone.
Tasks That Still Need a Human
The share of each legal task that professionals say still requires human judgment.
AI vs. Human Education Level
The years of education AI output is judged equivalent to, task by task, versus humans.
Legal Productivity Benchmarks
Before-and-after time per workflow, with the productivity gain from AI.
Cross-model benchmark
HAQQ's measured /50 benchmark of legal AI models.
Global footprint
Where legal AI demand concentrates around the world.
Market & economics
Market size, funding, pricing and the ROI of legal AI.
Legal AI Market Growth
The legal AI market size in USD from 2020 through forecasted 2030.
Legal AI Investment & Funding
Venture funding into legal AI categories over time, in USD millions.
Competitive Landscape Map
Legal AI vendor categories, vendor counts and growth rates across the market.
AI Pricing & Monetization
How legal AI is priced - subscription, consumption, outcome-based and hybrid.
ROI & Cost Analysis
Legal spend with and without AI, by firm size and per task.
Adoption & maturity
How fast firms are adopting, and how agentic the workflows get.
Legal AI Adoption Timeline
Adoption curves for early adopters, mainstream firms and laggards over time.
Legal AI Maturity Model
The five stages of legal AI maturity and where firms sit across them.
Agentic AI in Law
How far firms have progressed with autonomous, multi-step legal AI agents.
Workflow Automation Potential
Current versus potential automation across core legal workflows.
AI Spend & Budget Allocation
How legal AI budgets are growing and where the money goes.
Multi-Model Strategy in Legal
How many AI models firms run, and the criteria they weigh when choosing.
Trust, risk & security
Hallucination rates, client trust and vendor security posture.
Risk & Hallucination Rates
Estimated error rates across legal tasks, highest for citation and jurisdiction work.
Client Trust & Satisfaction
Trust, satisfaction and reuse rates for AI across legal work products.
Data Security & Compliance
Publicly documented security certifications across major AI providers.
Workforce & outlook
Role transformation and the forward view of legal work.
Part of the HAQQ Legal AI Index
Cross-Model Benchmark
HAQQ's measured benchmark scoring legal AI models out of 50.
Legal AI Index
The full data report on how AI is used across the legal ecosystem.
Legal Agent Study
All-pass rubric grading of AI agents on long-horizon legal work.
Research Hub
Browse every legal AI research graph in one place.