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Harvey AI vs Reply.io: 2026 comparison

AI legal associate for law firms — drafts, reviews, and researches across complex matters.

⚙️OpsSemi-autonomousSubscription
RAGMemoryTool use

AI sales engagement — multichannel sequences, Jason AI SDR, and inbox-warming for outbound at scale.

💼SalesSemi-autonomousFreemium · from $59
Tool useMemoryVoice

Harvey AI vs Reply.io — specs

SpecHarvey AIReply.io
Agent Rank67 / 100 (B)65 / 100 (B)
AutonomySemi-autonomousSemi-autonomous
PricingSubscription · Free tierFreemium · from $59
Open sourceNoNo
CapabilitiesRAG, Memory, Tool useTool use, Memory, Voice
Integrations3 apps6 apps
VerifiedVerifiedVerified
ReleasedApr 2025Sep 2025

Categories: Harvey AIOps · Reply.ioSales

Agent Rank breakdown

Harvey AI
Agent Rank
67/ 100
BB-tier
Autonomy fit
8
Capabilities
6
Integrations
2
Pricing value
9
Polish & maturity
5
Verifiability
10

Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?

Reply.io
Agent Rank
65/ 100
BB-tier
Autonomy fit
8
Capabilities
6
Integrations
8
Pricing value
6
Polish & maturity
4
Verifiability
7

Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?

Pros & cons

Harvey AI
Pros
  • +Highest-quality legal-domain AI in 2026 — trained on actual legal work
  • +Used by 350+ AmLaw firms; battle-tested in real matters
  • +Strict data isolation — work product never leaves customer tenancy
Cons
  • Enterprise pricing only — no transparent SaaS pricing
  • Sales cycle is months; not a self-serve product
  • Still a junior associate by capability — humans own final work product
Reply.io

Pricing

Harvey AI
Firm
Custom
Law firms
  • +AI legal associate
  • +Trained on legal corpora
  • +iManage / NetDocs integration
  • +SOC 2 II + ISO 27001
Recommended
Enterprise
Custom
Large firms + corporate legal
  • +Everything in Firm
  • +Dedicated VPC
  • +Custom workflows
  • +Privileged-data isolation
Reply.io

Which one should you pick?

Harvey AI

Pick Harvey AI if cost is the main constraint.

Try Harvey AI →
Reply.io

Pick Reply.io if your stack spans many tools and integration depth is the constraint.

Try Reply.io →

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Frequently asked

Should I pick Harvey AI or Reply.io in 2026?+

Pick Harvey AI if cost is the main constraint. Pick Reply.io if your stack spans many tools and integration depth is the constraint. Most working teams running both can use Harvey AI for primary work and Reply.io for the workflows where its specific strengths matter.

What's the price difference between Harvey AI and Reply.io?+

Harvey AI starts at Subscription · Free tier; Reply.io starts at Freemium · from $59. Harvey AI is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.

Which is more autonomous, Harvey AI or Reply.io?+

Both Harvey AI and Reply.io are Semi-autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.

Want the real monthly cost at your volume? Run the TCO calculator →
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