{
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  "url": "https://sierra.ai",
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  "one_liner": "Enterprise platform for customer-engagement AI agents across chat and voice.",
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      "label": "ARR",
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    {
      "label": "ARR",
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      "value_text": "$10B valuation ($350M raise led by Greenoaks)",
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      "source_url": "https://techcrunch.com/2025/09/04/bret-taylors-sierra-raises-350m-at-a-10b-valuation/",
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        "checked": "2026-10-16"
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    {
      "label": "Valuation",
      "value_usd": 15000000000,
      "value_text": "valuation of over $15B ($950M raise led by Tiger Global and GV); CNBC reports $15.8B post-money",
      "as_of": "2026-05",
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        "checked": "2026-10-16"
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    "Jobs-to-be-done framing beats AI tourism for enterprise agents.",
    "Outcome pricing aligns vendor incentives with resolved work.",
    "Regulated Fortune-1000 logos validate platform depth."
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  "headline_verification": null,
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  "tier_label": "Venture-backed",
  "tier_note": "Has raised outside venture funding (e.g. Y Combinator or VC rounds). Says nothing about revenue size.",
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  "ownership": null,
  "ownership_watch": null,
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    {
      "as_of": "2026-02",
      "annualized_usd": 150000000,
      "label": "ARR",
      "value_usd": 150000000,
      "value_text": "over $150M ARR after first $50M quarter",
      "source_url": "https://sierra.ai/blog/year-two-in-review",
      "source_name": "Sierra blog",
      "confidence": null,
      "annualization": null,
      "source_sync_stale_since": null
    },
    {
      "as_of": "2026-08",
      "annualized_usd": 200000000,
      "label": "ARR",
      "value_usd": 200000000,
      "value_text": "$200M ARR in nine quarters (company; after $100M in seven quarters)",
      "source_url": "https://sierra.ai/blog/julia-brau-donnelly-joins-sierra",
      "source_name": "Sierra blog (CFO hire, Aug 31 2026)",
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  "related": [
    {
      "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.",
      "annualized_revenue_usd": 100000000,
      "revenue_disclosed": true,
      "confidence": null,
      "source_sync_stale_since": null,
      "url_profile": "https://mrrledger.com/b/capacity/",
      "compare_url": "https://mrrledger.com/compare/?a=sierra&b=capacity",
      "score": 10,
      "why": [
        "same category",
        "same tier",
        "shared: cx, enterprise, voice",
        "similar scale"
      ]
    },
    {
      "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",
      "source_sync_stale_since": null,
      "url_profile": "https://mrrledger.com/b/decagon/",
      "compare_url": "https://mrrledger.com/compare/?a=sierra&b=decagon",
      "score": 9,
      "why": [
        "same category",
        "same tier",
        "shared: cx, enterprise",
        "similar scale"
      ]
    },
    {
      "slug": "eliseai",
      "name": "EliseAI",
      "category": "customer-support",
      "tier": "venture",
      "category_label": "Customer support",
      "tier_label": "Venture-backed",
      "one_liner": "Vertical AI agents that run the resident and patient front desk for apartment operators and medical practices.",
      "annualized_revenue_usd": 200000000,
      "revenue_disclosed": true,
      "confidence": null,
      "source_sync_stale_since": null,
      "url_profile": "https://mrrledger.com/b/eliseai/",
      "compare_url": "https://mrrledger.com/compare/?a=sierra&b=eliseai",
      "score": 9,
      "why": [
        "same category",
        "same tier",
        "shared: enterprise, voice",
        "similar scale"
      ]
    },
    {
      "slug": "retell-ai",
      "name": "Retell AI",
      "category": "customer-support",
      "tier": "venture",
      "category_label": "Customer support",
      "tier_label": "Venture-backed",
      "one_liner": "Developer-first platform for building and running AI phone agents for call centers.",
      "annualized_revenue_usd": 80000000,
      "revenue_disclosed": true,
      "confidence": null,
      "source_sync_stale_since": null,
      "url_profile": "https://mrrledger.com/b/retell-ai/",
      "compare_url": "https://mrrledger.com/compare/?a=sierra&b=retell-ai",
      "score": 9,
      "why": [
        "same category",
        "same tier",
        "shared: cx, voice",
        "similar scale"
      ]
    }
  ]
}