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11x vs Sierra: 2026 comparison

AI digital workers for sales — Alice (SDR), Mike (SDR), and Jordan (CSM) handle full-cycle outbound.

💼SalesAutonomousSubscription · from $700
BrowserTool useMemoryRAG

Branded customer-facing agents from the founders of Salesforce + Google.

🎧SupportAutonomousSubscription
VoiceTool useMemoryRAG

11x vs Sierra — specs

Spec11xSierra
Agent Rank75 / 100 (A)78 / 100 (A)
AutonomyAutonomousAutonomous
PricingSubscription · from $700Subscription · Free tier
Open sourceNoNo
CapabilitiesBrowser, Tool use, Memory, RAGVoice, Tool use, Memory, RAG
Integrations5 apps3 apps
VerifiedVerifiedVerified
ReleasedMay 2025Feb 2025

Categories: 11xSales · SierraSupport

Agent Rank breakdown

11x
Agent Rank
75/ 100
AA-tier
Autonomy fit
9
Capabilities
8
Integrations
6
Pricing value
4
Polish & maturity
8
Verifiability
10

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

Sierra
Agent Rank
78/ 100
AA-tier
Autonomy fit
9
Capabilities
8
Integrations
6
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

11x
Pros
  • +Genuine "AI employee" framing — agents have names, roles, and measurable output
  • +Books real meetings autonomously at lower fully-loaded cost than a human SDR
  • +Multi-channel sequences (email, LinkedIn) without separate tools
Cons
  • Meeting quality is lower-tier than top human SDRs for nuanced ICPs
  • $700/mo entry is real money for solo founders pre-revenue
  • Best on volume-driven outbound; weaker on highly targeted ABM
Sierra
Pros
  • +Best-in-class for branded customer-facing agents (voice + chat parity)
  • +Concierge onboarding from one of the strongest teams in AI
  • +Indistinguishable-from-human quality in tier-1 deployments
Cons
  • Enterprise-only pricing — typical contracts $150–500k/year
  • Deployment is white-glove, not SaaS — multi-week setup
  • Overkill for SMB or mid-market support volumes

Pricing

11x
Starter
$700/mo
Solo founders
  • +Alice (AI SDR)
  • +~5,000 contacts/mo
  • +Email + LinkedIn outbound
  • +Slack alerts
Recommended
Growth
$1500/mo
Small sales teams
  • +Alice + Mike (AI SDR pair)
  • +~15,000 contacts/mo
  • +CRM sync (Salesforce, HubSpot)
  • +Multi-channel sequences
Scale
Custom
Enterprise sales orgs
  • +Alice + Mike + Jordan (CSM)
  • +Custom volumes
  • +SSO + audit logs
  • +Dedicated CS engineer
Sierra
Recommended
Branded agent
Custom
Enterprise
  • +Voice + chat
  • +Custom persona
  • +White-glove implementation
  • +SOC 2 II + HIPAA option

Which one should you pick?

11x

Pick 11x if its specific capabilities (Browser, Tool use) match what you need.

Try 11x →
Sierra

Pick Sierra if cost is the main constraint.

Try Sierra →

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Frequently asked

Should I pick 11x or Sierra in 2026?+

Pick 11x if its specific capabilities (Browser, Tool use) match what you need. Pick Sierra if cost is the main constraint. Most working teams running both can use 11x for primary work and Sierra for the workflows where its specific strengths matter.

What's the price difference between 11x and Sierra?+

11x starts at Subscription · from $700; Sierra starts at Subscription · Free tier. Sierra 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, 11x or Sierra?+

Both 11x and Sierra are 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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