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    "Developer-first, no-code deployment let thousands of businesses ship phone agents in days before big enterprise deals.",
    "Expanding from voice into chat, email and SMS turns a point tool into a pitch to replace the whole IVR and call-center stack."
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  "related": [
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      "slug": "capacity",
      "name": "Capacity",
      "category": "customer-support",
      "tier": "venture",
      "category_label": "Customer support",
      "tier_label": "Venture-backed",
      "one_liner": "Unified agentic support and CX automation platform \u2014 AI agents, agent assist, auto-QA, and outbound from one knowledge orchestration layer.",
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      "category": "customer-support",
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      "category_label": "Customer support",
      "tier_label": "Venture-backed",
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        "same tier",
        "shared: cx, profitable",
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      "category": "customer-support",
      "tier": "venture",
      "category_label": "Customer support",
      "tier_label": "Venture-backed",
      "one_liner": "Enterprise platform for customer-engagement AI agents across chat and voice.",
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      "url_profile": "https://mrrledger.com/b/sierra/",
      "compare_url": "https://mrrledger.com/compare/?a=retell-ai&b=sierra",
      "score": 9,
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        "same category",
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        "similar scale"
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      "slug": "decagon",
      "name": "Decagon",
      "category": "customer-support",
      "tier": "venture",
      "category_label": "Customer support",
      "tier_label": "Venture-backed",
      "one_liner": "Conversational AI agents for customer experience with Agent Operating Procedures.",
      "annualized_revenue_usd": 100000000,
      "revenue_disclosed": true,
      "confidence": "reported",
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      "url_profile": "https://mrrledger.com/b/decagon/",
      "compare_url": "https://mrrledger.com/compare/?a=retell-ai&b=decagon",
      "score": 8,
      "why": [
        "same category",
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}