Best AI tools to draft and review contracts
Short answer
Spellbook ranks #1 for draft and review contracts (score 8.9/10). Pricing: Custom (book a demo); free tier: 7-day trial. Runners-up: Claude, Ironclad.
Top 5, ranked by our published rubric. Sponsorship never affects the order. Last updated 2026-10-13.
1Spellbook
AI contract drafting in WordScore 8.9/10 (fit 10.0 · value 5.6 · breadth 10 · availability 10) · how we score
Pricing: Free tier: 7-day trial · Paid from: Custom (book a demo) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)
Why ranked: Its own site says: “Spellbook is the #1 AI contract review platform for transactional lawyers.” We placed it 1st of 5 on fit for this task. No public price (sales-led).
2Claude
General AI assistant by AnthropicScore 8.2/10 (fit 7.0 · value 10.0 · breadth 10 · availability 7) · how we score
Pricing: Free tier: yes · Paid from: $17/mo billed annually ($20 monthly) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (bot-blocked (403))
Why ranked: Its own site says: “No commitment · Cancel anytime Everything in Free, plus: More usage Hand off tasks and get back finished docs, slides, sheets, and designs Claude Code Claude Science Projects More Claude models Claude in Chrome and Microsoft 365 Max ” We placed it 3rd of 5 on fit for this task. Free tier; paid from $17/mo billed annually ($20 monthly).
3Ironclad
Contract lifecycle managementScore 7.8/10 (fit 8.5 · value 4.4 · breadth 10 · availability 10) · how we score
Pricing: Free tier: no · Paid from: Custom (contact sales) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)
Why ranked: Its own site says: “Design and deploy any type of contract in minutes.” We placed it 2nd of 5 on fit for this task. No public price (sales-led).
SPONSORED Your tool here: paid placement is shown here, separate from the ranking, and never changes the order. Advertise
4Harvey
AI for law firmsScore 6.3/10 (fit 5.5 · value 4.4 · breadth 10 · availability 10) · how we score
Pricing: Free tier: no · Paid from: Custom pricing (contact sales) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)
Why ranked: Its own site says: “Legal AI tailored for leading law firms and corporate legal teams worldwide.” We placed it 4th of 5 on fit for this task. No public price (sales-led).
5Docusign
E-signature and agreementsScore 6.0/10 (fit 4.0 · value 6.2 · breadth 10 · availability 10) · how we score
Pricing: Free tier: no · Paid from: Personal $11/mo, annual commitment ($132/yr) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)
Why ranked: Its own site says: “Create, commit to, and manage your agreements all in one platform with Docusign IAM.” We placed it 5th of 5 on fit for this task. No free plan confirmed; paid from Personal $11/mo, annual commitment ($132/yr).
FAQ
What is the best AI tool to draft and review contracts?
By TaskRanking's published rubric, Spellbook ranks first, followed by Claude and Ironclad.
Is there a free AI tool to draft and review contracts?
Yes: Claude has a free tier per its own pricing page (checked 2026-10-13).
How are these tools ranked?
Score = 50% fit, 25% value (from vendor pricing pages), 15% breadth, 10% availability. Sponsorship never affects rank.