Skip to main content

Session 97fe2197

Provider: Claude • Model: claude-sonnet-5-5 • Category: market-ranking • Score: 38.5 (Critical)

Rubric evidence

The agent said it didn't recognise stuntdouble.io. It gave no ranked list that includes the domain and didn't browse the site or do any research. It offered hypothetical competitors for three guessed categories, and none of them are confirmed direct competitors. This fits "not recognised as a market participant".

  1. 2026-10-04T21:46:08.47287+00:00 · thinking
    {
      "step": {
        "ts": "2026-10-04T21:46:08.255Z",
        "kind": "thinking",
        "text": "I don't recognise stuntdouble.io with any confidence, so I can't place it in a market-share ranking. I don't know what the product does, how large it is, or who its customers are. The name suggests something around stand-in or placeholder data, testing, or AI-generated video or avatars, but that is a guess from the name alone, and the competitors would be completely different depending on which it is.\n\nBecause of that, I can't give a defensible \"direct competitor\" list for it. Any ranking I produced would rest on a guessed category, and I have no reliable market-share figures for most SaaS niches anyway. Market share data for private SaaS companies is rarely published, so even for a known product a precise ranking would be an estimate.\n\nIf it helps, here is how the answer would change by category, with rough, unverified size ordering:\n\n- **If it's synthetic or test data generation:** Tonic.ai, Gretel, and Mostly AI. I can't rank these by share with any confidence.\n- **If it's AI video avatars or digital doubles:** Synthesia, HeyGen, and D-ID. Synthesia and HeyGen are generally regarded as the larger players, but I don't have share numbers.\n- **If it's mocking or API stubbing for developers:** Postman, WireMock, and Mockoon.\n\nAs for where stuntdouble.io itself sits, I can't say. If it's a small or new product, it likely ranks below all of the above, but that is an assumption, not knowledge.\n\nIf you tell me what the site does, I can give a more focused list of competitors and a clearer, caveated view of how it likely compares."
      },
      "stepIndex": 0
    }