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The dimensions that matter: task fit, pricing, and how each tool treats confidentiality.

General AI assistants

ChatGPTClaudeGemini
Best forDrafting & explainingLong documentsWorkspace integration
PricingFreemium / $20Freemium / $20Freemium / ~$20
Context1M tokens1M tokens1M tokens
PrivacyTraining opt-out on paidTraining opt-out on paidWorkspace controls

Legal research

CoCounselLexis+ AI / ProtégévLex Vincent AI
Best forGrounded researchCitator-linked researchMulti-jurisdiction
PricingEnterpriseEnterprisePaid
Grounded inWestlaw contentLexisNexis contentvLex content
ConfidentialityEnterpriseEnterpriseEnterprise

Contract review & drafting

SpellbookRobin AILuminanceClearbrief
Best forDrafting in WordReview & negotiationDiligence at volumeBrief accuracy
PricingPaidPaidEnterprisePaid
PlatformWordWord, webWebWord, web
ConfidentialityCloudEnterpriseEnterpriseCloud