11x vs AgentEval

Detailed side-by-side comparison to help you choose the right tool

11x

🟢No Code

Voice AI Tools

11x provides AI digital workers for sales development, featuring Alice the AI SDR for autonomous outbound email prospecting and Julian the AI Phone Agent for intelligent voice conversations. The platform handles end-to-end sales development workflows including prospect identification, research, personalized outreach, follow-ups, and meeting scheduling — operating 24/7 to generate qualified pipeline at a fraction of the cost of human SDR teams.

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Starting Price

~$5,000/month

AgentEval

🔴Developer

Voice AI Tools

Comprehensive .NET toolkit for AI agent evaluation featuring fluent assertions, stochastic testing, model comparison, and security evaluation built specifically for Microsoft Agent Framework

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Starting Price

Free

Feature Comparison

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Feature11xAgentEval
CategoryVoice AI ToolsVoice AI Tools
Pricing Plans17 tiers4 tiers
Starting Price~$5,000/monthFree
Key Features
  • AI SDR (Alice) for autonomous prospecting and outreach
  • AI Phone Agent (Julian) for intelligent voice conversations
  • Multi-channel outreach (email, LinkedIn, phone)
  • Fluent Should() assertion syntax for tool chains and responses
  • Stochastic evaluation with configurable run counts and success thresholds
  • Model comparison with cost/quality leaderboard output

11x - Pros & Cons

Pros

  • Deploys true end-to-end autonomous SDR workflow (prospecting, enrichment, personalization, sequencing, and meeting booking) without requiring human operators to manage campaigns or write templates, freeing sales teams to focus on closing deals rather than top-of-funnel activities.
  • Two coordinated digital workers (Alice for written outbound, Julian for voice) cover both email/LinkedIn and phone channels under one platform, eliminating the need to stitch together separate tools for multi-channel prospecting and reducing vendor sprawl.
  • Marketed cost savings of roughly 50% versus a human SDR team make the ROI case clear for enterprise buyers — Alice costs approximately $50,000–$60,000 annually compared to $100,000+ for a fully loaded human SDR including salary, benefits, tools, and management overhead.
  • Built-in access to a large prospect database of over 200 million contacts eliminates the need for separate data providers like ZoomInfo or Lusha, reducing total stack cost and simplifying the workflow from prospect identification to outreach execution.
  • Enterprise-grade positioning with offices in San Francisco and London, CRM integrations with Salesforce and HubSpot, SOC 2 Type II compliance, and GDPR-compliant data processing gives procurement and security teams confidence during vendor evaluation and approval.
  • 24/7 execution with continuous learning loops means campaigns optimize without manual A/B testing — Alice analyzes engagement data across all outreach to improve subject lines, messaging, and send timing automatically, compounding performance gains over time.

Cons

  • Enterprise-only annual pricing with no public self-serve tier shuts out SMBs, startups, and individual sales professionals who cannot commit $50,000+ annually or navigate a multi-week enterprise sales process just to evaluate the product.
  • AI-generated outbound at scale carries real deliverability and brand-reputation risk if email warm-up, domain rotation, and content quality are not carefully managed — some users report initial spam folder placement and inconsistent email quality across prospect segments.
  • Heavy reliance on automated outreach can trigger LinkedIn rate limits, account restrictions, or platform bans if volume thresholds are exceeded, particularly for users whose LinkedIn accounts lack established activity histories or connection networks.
  • The 'replace your SDR team' positioning has drawn public criticism from some early customers on Reddit and review sites who experienced underwhelming results, with complaints including poorly targeted prospects, generic-sounding personalization, and difficulty canceling annual contracts.
  • Limited transparency on pricing, contract minimums, and ramp expectations without going through a full sales process makes comparison shopping difficult and has eroded trust among prospects who feel pressured into commitments before fully understanding total cost of ownership.

AgentEval - Pros & Cons

Pros

  • Native .NET integration with full type safety and compile-time error checking, unlike Python alternatives that rely on runtime exceptions
  • Red Team module ships with 192 attack probes across 9 attack types covering 60% of OWASP LLM Top 10 2025 with MITRE ATLAS technique mapping
  • Stochastic evaluation asserts on pass rates across N runs (e.g., 10 runs at 85% threshold) for statistically meaningful results
  • Trace record/replay eliminates API costs in CI — record once with real API, replay infinitely for free with identical outputs
  • Model comparison generates markdown leaderboards with cost/1K-request rankings across GPT-4o, GPT-4o Mini, Claude, and other providers
  • MIT licensed with explicit public commitment to remain open source forever — no bait-and-switch license changes
  • 27 detailed samples included from Hello World through Multi-Agent Workflows and Cross-Framework evaluation
  • First-class Microsoft Agent Framework (MAF) integration with automatic tool call tracking and token/cost telemetry

Cons

  • .NET-only — Python, JavaScript, and Go teams cannot use it and must rely on DeepEval, PromptFoo, or LangSmith instead
  • Red Team coverage is 60% of OWASP LLM Top 10, leaving 40% of categories uncovered compared to specialized security scanners
  • Commercial/Enterprise add-ons are still in planning phase, so enterprises requiring vendor SLAs and paid support have no tier to purchase
  • Small community relative to Python-era evaluation tools means fewer third-party integrations, tutorials, and Stack Overflow answers
  • Stochastic evaluation can become expensive — 100 tests × 50 repetitions equals 5,000 LLM calls per run if trace replay is not used
  • Tight coupling to Microsoft Agent Framework concepts means evolving with Microsoft's roadmap rather than remaining provider-neutral

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🔒 Security & Compliance Comparison

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Security Feature11xAgentEval
SOC2✅ Yes
GDPR✅ Yes
HIPAA
SSO✅ Yes
Self-Hosted❌ No
On-Prem❌ No
RBAC✅ Yes
Audit Log✅ Yes
Open Source❌ No
API Key Auth
Encryption at Rest✅ Yes
Encryption in Transit✅ Yes
Data Residency
Data RetentionConfigurable data retention policies available for enterprise customers
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