{
  "data": null,
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/people/ilya-gelfenbeyn/",
    "json": "https://www.anchorterminal.com/people/ilya-gelfenbeyn/index.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/people/ilya-gelfenbeyn/index.md",
    "mcp": "https://www.anchorterminal.com/mcp",
    "slim": "https://www.anchorterminal.com/people/ilya-gelfenbeyn/index.min.md"
  },
  "markdown": "Co-founder.\n\n## What Ilya builds\n\n- [Inworld Realtime TTS-2](https://www.anchorterminal.com/tools/inworld-tts.md), graded C, 58.3/100, in Text-to-speech. Inworld's hosted text-to-speech models, `inworld-tts-2` and `inworld-tts-2-flash`, over REST, HTTP streaming, WebSocket, async jobs and an OpenAI-compatible endpoint. TTS-2 takes bracketed steering, and an opt-in Reasoning step writes the delivery direction itself. Co-founder, researched 2026-10-30.\n\n## Works with\n\n- [Kylan Gibbs](https://www.anchorterminal.com/people/kylan-gibbs/), Co-founder and CEO\n- [Michael Ermolenko](https://www.anchorterminal.com/people/michael-ermolenko/), Co-founder\n\n## Backed by\n\n- [Section 32](https://www.anchorterminal.com/investors/section-32/)\n- [Intel](https://www.anchorterminal.com/investors/intel/)\n- [Lightspeed Venture Partners](https://www.anchorterminal.com/investors/lightspeed-venture-partners/)\n- [Founders Fund](https://www.anchorterminal.com/investors/founders-fund/)\n- [Accelerator Investments LLC](https://www.anchorterminal.com/investors/accelerator-investments-llc/)\n- [First Spark Ventures](https://www.anchorterminal.com/investors/first-spark-ventures/)\n- [Kleiner Perkins](https://www.anchorterminal.com/investors/kleiner-perkins/)\n- [BITKRAFT Ventures](https://www.anchorterminal.com/investors/bitkraft-ventures/)\n- [CRV](https://www.anchorterminal.com/investors/crv/)\n- [Microsoft](https://www.anchorterminal.com/investors/microsoft/)\n- [Micron](https://www.anchorterminal.com/investors/micron/)\n- [LG](https://www.anchorterminal.com/investors/lg/)\n- [SK Telecom](https://www.anchorterminal.com/investors/sk-telecom/)\n- [The Venture Reality Fund](https://www.anchorterminal.com/investors/the-venture-reality-fund/)\n- [HTC](https://www.anchorterminal.com/investors/htc/)\n- [Meta](https://www.anchorterminal.com/investors/meta/)\n- [Stanford University](https://www.anchorterminal.com/investors/stanford-university/)\n- [Samsung](https://www.anchorterminal.com/investors/samsung/)\n\n## Questions\n\n### Who is Ilya Gelfenbeyn?\n\nIlya Gelfenbeyn is co-founder.\n\n### What does Inworld AI (Theai, Inc.) make?\n\nAnchor Terminal lists Inworld Realtime TTS-2 from Inworld AI (Theai, Inc.). Inworld's hosted text-to-speech models, inworld-tts-2 and inworld-tts-2-flash, over REST, HTTP streaming, WebSocket, async jobs and an OpenAI-compatible endpoint. TTS-2 takes bracketed steering, and an opt-in Reasoning step writes the delivery direction itself.\n\n### Who has invested in Inworld AI (Theai, Inc.)?\n\nThe sources our research read name Section 32, Intel, Lightspeed Venture Partners, Founders Fund, Accelerator Investments LLC, First Spark Ventures, Kleiner Perkins, BITKRAFT Ventures, CRV, Microsoft, Micron, LG, SK Telecom, The Venture Reality Fund, HTC, Meta, Stanford University and Samsung.\n\n### How are Ilya's tools graded?\n\nInworld Realtime TTS-2 is graded C, 58.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://inworld.ai/blog/realtime-tts-2\n- https://inworld.ai/blog/realtime-tts-2-reasoning-speed-consistency\n- https://inworld.ai/pricing\n- https://inworld.ai/terms\n- https://inworld.ai/security\n- https://inworld.ai/sitemap.xml\n- https://docs.inworld.ai/portal/support.md\n- https://www.intelcapital.com/inworld-ai-closes-50m-series-a-to-populate-video-games-and-the-metaverse-with-interactive-ai-driven-characters/\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "attributionRequired": true,
    "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-31",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.7",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run",
    "terms": "https://www.anchorterminal.com/terms/#data"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "People building AI tools",
        "url": "https://www.anchorterminal.com/people/"
      },
      {
        "name": "Ilya Gelfenbeyn",
        "url": ""
      }
    ],
    "description": "Ilya Gelfenbeyn is co-founder. Inworld Realtime TTS-2 on Anchor Terminal, with grades, an about and public profiles.",
    "facts": null,
    "h1": "Ilya Gelfenbeyn",
    "image": "https://www.anchorterminal.com/assets/og/default.png",
    "path": "/people/ilya-gelfenbeyn/",
    "published": "",
    "section": "people",
    "title": "Ilya Gelfenbeyn, Co-founder | Anchor Terminal",
    "toc": null,
    "updated": "2026-10-30",
    "url": "https://www.anchorterminal.com/people/ilya-gelfenbeyn/"
  },
  "tokens": {
    "markdown": 1150,
    "slim": 980
  },
  "version": 1
}