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Decagon vs Harvey AI: 2026 comparison

Conversational support agents that resolve tickets like your best reps.

🎧SupportAutonomousSubscription
Tool useMemoryRAG

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

⚙️OpsSemi-autonomousSubscription
RAGMemoryTool use

Decagon vs Harvey AI — specs

SpecDecagonHarvey AI
Agent Rank72 / 100 (A)67 / 100 (B)
AutonomyAutonomousSemi-autonomous
PricingSubscription · Free tierSubscription · Free tier
Open sourceNoNo
CapabilitiesTool use, Memory, RAGRAG, Memory, Tool use
Integrations3 apps3 apps
VerifiedVerifiedVerified
ReleasedApr 2025Apr 2025

Categories: DecagonSupport · Harvey AIOps

Agent Rank breakdown

Decagon
Agent Rank
72/ 100
AA-tier
Autonomy fit
9
Capabilities
6
Integrations
4
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?

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?

Pros & cons

Decagon
Pros
  • +Chat-first agent with consistently 65–75% tier-1 deflection in production
  • +Deep integration with existing helpdesks (Zendesk / Intercom / Salesforce)
  • +Mid-market priced — easier conversation than Sierra
Cons
  • Voice support exists but is not the strength
  • Sales-led — no self-serve sign-up
  • Per-resolution pricing can sting if tickets spike unexpectedly
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

Pricing

Decagon
Growth
Custom
Mid-market
  • +Per-resolution pricing
  • +Zendesk / Intercom integration
  • +Onboarding included
Recommended
Enterprise
Custom
Enterprise
  • +Custom integrations
  • +SSO + audit log
  • +Dedicated CSM
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

Which one should you pick?

Decagon

Pick Decagon if you want the highest autonomy and the verification loop is in place.

Try Decagon →
Harvey AI

Pick Harvey AI if its specific capabilities (RAG, Memory) match what you need.

Try Harvey AI →

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Frequently asked

Should I pick Decagon or Harvey AI in 2026?+

Pick Decagon if you want the highest autonomy and the verification loop is in place. Pick Harvey AI if its specific capabilities (RAG, Memory) match what you need. Most working teams running both can use Decagon for primary work and Harvey AI for the workflows where its specific strengths matter.

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

Both Decagon and Harvey AI start in the same pricing range (Subscription · Free tier vs Subscription · Free tier). Total cost of ownership depends on your team size and volume — see the TCO calculator for your specific math.

Which is more autonomous, Decagon or Harvey AI?+

Decagon is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.

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