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Head-to-head · AI Contract Review Software

Legartis vs ThoughtRiver

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Legartis #2 in AI Contract Review Software 9.2/10 Free plan · 14-day trial Free planFree trial✓ 4 of 4 features Visit Legartis
ThoughtRiver #3 in AI Contract Review Software 9.0/10 28-day trial Free trial✓ 4 of 4 features Visit ThoughtRiver

Legartis leads on 1 check, ThoughtRiver on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLegartis · 9.2/10
  • Free planonly Legartis
  • Free trialboth

Legartis scores higher on our rubric for ai contract review software: 9.2 against 9.0 out of 10; our editors rank them #2 and #3.

Legartis offers free plan; ThoughtRiver doesn't.

Legartis is the better fit for teams needing review and negotiation workflows. ThoughtRiver is the better fit for cost-conscious teams needing full review workflows.

  • Legartis fits best

    Teams needing review and negotiation workflows

  • ThoughtRiver fits best

    Cost-conscious teams needing full review workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Legartis 9.2/10 Visit ↗ ThoughtRiver 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #2 in AI Contract Review Software #3 in AI Contract Review Software
Best for Teams needing review and negotiation workflows Cost-conscious teams needing full review workflows
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial 14 days 28 days
Free trial length 14 days · no card needed 28 days
Deployment Cloud, Desktop Cloud, Desktop
Platforms Web, Windows, macOS Web, Windows
Support Email, Docs Docs
Compliance SOC 2, ISO 27001, GDPR, SSO/SAML ISO 27001, 2FA
Integrations 5 integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Legartis 4/4 · ThoughtRiver 4/4
Clause comparison ✓ ✓
Redline suggestions ✓ ✓
Playbook support ✓ ✓
API access ✓ ✓
Specs
Supported file formats .pdf, .docx; .xlsx for playbook creation Not checked yet
Supported languages 3 languages Not checked yet
Our review
Pros
  • Reviews contracts against playbooks with risk and deviation analysis
  • Compares versions and provides revision and fallback recommendations
  • Adds repositories, approvals, Word, REST API and webhook support
  • AI analysis covers risks, obligations, and key clauses
  • Configurable playbooks support repeatable contract review
  • Redlines, scoring, collaboration, and reporting are included
Cons
  • The Free plan is limited to one seat
  • Free access includes the NDA Best Practice Playbook
  • Paid access is quote-based rather than publicly listed
  • There is no free plan
  • The low-priced monthly tiers list generic project-management features
  • Annual tiers use GBP billing and require annual plans
Our verdict

Legartis is a cloud-based legal AI workspace for legal, sales and procurement teams. It reviews Word and PDF contracts against configurable playbooks, identifies risks and deviations, recommends revisions and fallback language, and…

Read the review →

ThoughtRiver is an AI contract review platform for in-house legal teams, law firms, and non-legal business teams. Its Lexible AI analyzes contracts for risks, obligations, and key clauses, while configurable playbooks help teams apply…

Read the review →
  1. LegartisAI Contract Review Software 9.2Free plan · 14-day trial
  2. ThoughtRiverAI Contract Review Software 9.028-day trial

Strengths and trade-offs

  • Legartis — where it wins

    • Reviews contracts against playbooks with risk and deviation analysis
    • Compares versions and provides revision and fallback recommendations
    • Adds repositories, approvals, Word, REST API and webhook support

    Where it doesn't

    • The Free plan is limited to one seat
    • Free access includes the NDA Best Practice Playbook
    • Paid access is quote-based rather than publicly listed

  • ThoughtRiver — where it wins

    • AI analysis covers risks, obligations, and key clauses
    • Configurable playbooks support repeatable contract review
    • Redlines, scoring, collaboration, and reporting are included

    Where it doesn't

    • There is no free plan
    • The low-priced monthly tiers list generic project-management features
    • Annual tiers use GBP billing and require annual plans
  • Legartis9.2/10 · Free plan · 14-day trial

    A playbook-led contract workspace for review, negotiation and legal collaboration.

    Visit LegartisFull verdict →
  • ThoughtRiver9.0/10 · 28-day trial

    A low-entry-cost contract review platform with playbooks, redlines, analytics, and collaboration.

    Visit ThoughtRiverFull verdict →

More comparisons

All AI contract review software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update