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Harvey AI vs Manus: 2026 comparison

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

⚙️OpsSemi-autonomousSubscription
RAGMemoryTool use

General-purpose agent that turns a single prompt into a finished deliverable.

🔬ResearchAutonomousFreemium · from $19
BrowserTool useCodeMemory

Harvey AI vs Manus — specs

SpecHarvey AIManus
Agent Rank67 / 100 (B)87 / 100 (S)
AutonomySemi-autonomousAutonomous
PricingSubscription · Free tierFreemium · from $19
Open sourceNoNo
CapabilitiesRAG, Memory, Tool useBrowser, Tool use, Code, Memory, RAG
Integrations3 apps3 apps
VerifiedVerifiedVerified
ReleasedApr 2025May 2025

Categories: Harvey AIOps · ManusResearch

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?

Manus
Agent Rank
87/ 100
SS-tier
Autonomy fit
9
Capabilities
10
Integrations
6
Pricing value
8
Polish & maturity
9
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
Manus
Pros
  • +Produces a finished artifact, not just a brief — slide decks, market maps, briefs
  • +Strong browser + tool use; handles multi-source synthesis cleanly
  • +AGENTS20 coupon stacks with annual billing
Cons
  • Confident on topics where the expert answer is "it depends"
  • Cites occasional fabricated sources — verify any high-stakes claim
  • Premium model gating means heavy users hit the $49 tier fast

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
Manus
Starter
$19/mo
Solo operators
  • +100 daily credits
  • +Standard models
  • +Browser + tool use
Recommended
Pro
$49/mo
Heavy users
  • +Unlimited credits
  • +Premium models
  • +Faster queue
  • +Priority support
Team
$199/mo
Teams
  • +5 seats
  • +Shared workspaces
  • +Admin controls

Which one should you pick?

Harvey AI

Pick Harvey AI if cost is the main constraint.

Try Harvey AI →
Manus

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

Claim AGENTS20

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Frequently asked

Should I pick Harvey AI or Manus in 2026?+

Pick Harvey AI if cost is the main constraint. Pick Manus if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Harvey AI for primary work and Manus for the workflows where its specific strengths matter.

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

Harvey AI starts at Subscription · Free tier; Manus starts at Freemium · from $19. 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 Manus?+

Manus 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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