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Relay Agents vs Windsurf: 2026 comparison

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

⚙️OpsSemi-autonomousFreemium · from $18
Tool useMemory

Codeium's AI editor — Cascade agent flows alongside in-line completion and chat.

💻CodeSemi-autonomousFreemium · from $15
CodeTool useMemoryBrowser

Relay Agents vs Windsurf — specs

SpecRelay AgentsWindsurf
Agent Rank72 / 100 (A)78 / 100 (A)
AutonomySemi-autonomousSemi-autonomous
PricingFreemium · from $18Freemium · from $15
Open sourceNoNo
CapabilitiesTool use, MemoryCode, Tool use, Memory, Browser
Integrations4 apps2 apps
VerifiedVerifiedVerified
ReleasedMar 2025Apr 2025

Categories: Relay AgentsOps · WindsurfCode

Agent Rank breakdown

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?

Windsurf
Agent Rank
78/ 100
AA-tier
Autonomy fit
8
Capabilities
8
Integrations
4
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

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
Windsurf
Pros
  • +Cascade agent flows are the strongest "watch it work" UI in any IDE-native agent
  • +Cheapest Pro tier in the category at $15/month
  • +Codeium has a deep model team — completion quality consistently leads
Cons
  • Smaller ecosystem of extensions than Cursor
  • Pro Ultimate ($60) is opaque on which models are actually premium
  • Memory feature less mature than Cursor + Claude Code memories

Pricing

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
Windsurf
Free
Free
Trial
  • +Limited Cascade flow runs
  • +Standard models
  • +Editor + chat
Recommended
Pro
$15/mo
Working engineers
  • +Unlimited Cascade flows
  • +All Pro models
  • +Background agents
  • +Memories
Pro Ultimate
$60/mo
Power users
  • +Highest model priority
  • +Premium models included
  • +Higher concurrency
Teams
$35/seat/mo
Teams
  • +SSO + admin
  • +Usage analytics
  • +Shared memories

Which one should you pick?

Relay Agents

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

Try Relay Agents →
Windsurf

Pick Windsurf if cost is the main constraint.

Try Windsurf →

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Frequently asked

Should I pick Relay Agents or Windsurf in 2026?+

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

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

Relay Agents starts at Freemium · from $18; Windsurf starts at Freemium · from $15. Windsurf 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, Relay Agents or Windsurf?+

Both Relay Agents and Windsurf 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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