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AI Contract Review Tools Pricing Compared: Who Publishes, Who Hides It (2026)

If you want an AI contract review tool with a published price, the field is small: Genie AI (freemium, from $75/mo, rated 4.3), Law Insider (freemium, from $150/mo, 4.1), Dioptra AI (from $450/mo, 4.3) and TermScout (from $900/mo, 4.4) are effectively the only ones in our dataset with a public number. The most highly rated tools in the category hide pricing entirely behind enterprise quotes: Luminance (4.6), Spellbook (4.6), Kira Systems (4.5), Ironclad AI (4.5), LinkSquares (4.5) and Ontra (4.5) all require you to contact sales. So the real buying decision is transparency versus capability: published-price tools let you budget instantly, while the top-rated enterprise platforms make you sit through a sales call before you see a figure.

Key takeaways

  • ▸Only four Contract Review tools in our dataset publish a starting price: Genie AI ($75/mo, freemium), Law Insider ($150/mo, freemium), Dioptra AI ($450/mo) and TermScout ($900/mo) — a 12x spread from cheapest to most expensive.
  • ▸The category's highest editorial ratings sit almost entirely on quote-only tools: Luminance (4.6), Spellbook (4.6), Kira Systems (4.5), Ironclad AI (4.5), LinkSquares (4.5) and Ontra (4.5) are all enterprise or paid with no public figure.
  • ▸Even 'paid' does not mean 'transparent' — Juro lists its model as 'Contact for pricing', and Robin AI, Spellbook and LegalSifter carry no public starting number despite not being labeled enterprise.

The tools compared

Tool Rating Pricing Best for
Genie AI ★ 4.3 freemium · from $75/mo Contract Review & Analysis Review →
Law Insider ★ 4.1 freemium · from $150/mo Contract Review & Analysis Review →
Dioptra AI ★ 4.3 paid · from $450/mo Contract Review & Analysis Review →
TermScout ★ 4.4 paid · from $900/mo Contract Review & Analysis Review →
Kira Systems ★ 4.5 enterprise Contract Review & Analysis Review →
Luminance ★ 4.6 enterprise Contract Review & Analysis Review →

Frequently asked questions

Which AI contract review tool is cheapest with a published price?
Genie AI is the lowest published entry point at $75/mo on a freemium plan (rated 4.3), so you can start free and upgrade. Law Insider follows at $150/mo (also freemium, 4.1), though it is a clause database and market-standard analysis tool rather than a full contract-review engine.
Why don't tools like Kira Systems, Luminance and Ironclad list prices?
All three are enterprise-only in our dataset, so pricing is quote-based with no public figure. They target high-volume corporate and law-firm use — Kira Systems (4.5) for clause extraction and M&A due diligence, Luminance (4.6) for its purpose-built Legal LLM, and Ironclad AI (4.5) for end-to-end contract lifecycle management. Expect a sales call, not a checkout page.
What is the most expensive AI contract review tool with a listed price?
Among tools with a published number, TermScout is the highest at $900/mo (rated 4.4). It is built around market benchmarking of clause terms and data-driven negotiation insights. Dioptra AI sits between at $450/mo (4.3), focused on high-volume, low-risk agreement handling.
Does a higher price mean a better-rated tool?
No. In our editorial ratings the correlation is weak: Genie AI at $75/mo scores 4.3, while the top-rated Luminance (4.6) and Spellbook (4.6) publish no price at all. TermScout at $900/mo scores 4.4 — below several free-to-quote enterprise tools. Price reflects target market and transparency, not our assessed quality.
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Last updated: 2026-07-13