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Harvey AI vs Relay Agents: 2026 comparison

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

⚙️OpsSemi-autonomousSubscription
RAGMemoryTool use

Human-in-the-loop workflow agents that connect 100+ apps with approvals.

⚙️OpsSemi-autonomousFreemium · from $18
Tool useMemory

Harvey AI vs Relay Agents — specs

SpecHarvey AIRelay Agents
Agent Rank67 / 100 (B)72 / 100 (A)
AutonomySemi-autonomousSemi-autonomous
PricingSubscription · Free tierFreemium · from $18
Open sourceNoNo
CapabilitiesRAG, Memory, Tool useTool use, Memory
Integrations3 apps4 apps
VerifiedVerifiedVerified
ReleasedApr 2025Mar 2025

Categories: Harvey AIOps · Relay AgentsOps

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?

Relay Agents
Agent Rank
72/ 100
AA-tier
Autonomy fit
8
Capabilities
4
Integrations
8
Pricing value
8
Polish & maturity
5
Verifiability
10

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
Relay Agents
Pros
  • +Strongest human-in-the-loop pattern of any no-code agent
  • +Connects 100+ apps with conditional logic and approval gates
  • +Free tier is real — not a trial in disguise
Cons
  • AI features are lighter than purpose-built agent platforms
  • Per-seat pricing scales fast for larger teams
  • No native phone / voice support

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
Relay Agents
Free
Free
Personal use
  • +200 runs/mo
  • +All app integrations
Recommended
Pro
$18/mo
Solo professionals
  • +2,000 runs/mo
  • +Multi-step approvals
  • +Conditional branching
Team
$38/seat/mo
Small teams
  • +Shared workflows
  • +Audit log
  • +Role-based access

Which one should you pick?

Harvey AI

Pick Harvey AI if cost is the main constraint.

Try Harvey AI →
Relay Agents

Pick Relay Agents if its specific capabilities (Tool use, Memory) match what you need.

Try Relay Agents →

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Frequently asked

Should I pick Harvey AI or Relay Agents in 2026?+

Pick Harvey AI if cost is the main constraint. Pick Relay Agents if its specific capabilities (Tool use, Memory) match what you need. Most working teams running both can use Harvey AI for primary work and Relay Agents for the workflows where its specific strengths matter.

What's the price difference between Harvey AI and Relay Agents?+

Harvey AI starts at Subscription · Free tier; Relay Agents starts at Freemium · from $18. 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 Relay Agents?+

Both Harvey AI and Relay Agents 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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