# Ilya Gelfenbeyn (slim)

> Ilya Gelfenbeyn is co-founder. Inworld Realtime TTS-2 on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder.

## What Ilya builds

- [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.

## Works with

- [Kylan Gibbs](https://www.anchorterminal.com/people/kylan-gibbs/), Co-founder and CEO
- [Michael Ermolenko](https://www.anchorterminal.com/people/michael-ermolenko/), Co-founder

## Backed by

- [Section 32](https://www.anchorterminal.com/investors/section-32/)
- [Intel](https://www.anchorterminal.com/investors/intel/)
- [Lightspeed Venture Partners](https://www.anchorterminal.com/investors/lightspeed-venture-partners/)
- [Founders Fund](https://www.anchorterminal.com/investors/founders-fund/)
- [Accelerator Investments LLC](https://www.anchorterminal.com/investors/accelerator-investments-llc/)
- [First Spark Ventures](https://www.anchorterminal.com/investors/first-spark-ventures/)
- [Kleiner Perkins](https://www.anchorterminal.com/investors/kleiner-perkins/)
- [BITKRAFT Ventures](https://www.anchorterminal.com/investors/bitkraft-ventures/)
- [CRV](https://www.anchorterminal.com/investors/crv/)
- [Microsoft](https://www.anchorterminal.com/investors/microsoft/)
- [Micron](https://www.anchorterminal.com/investors/micron/)
- [LG](https://www.anchorterminal.com/investors/lg/)
- [SK Telecom](https://www.anchorterminal.com/investors/sk-telecom/)
- [The Venture Reality Fund](https://www.anchorterminal.com/investors/the-venture-reality-fund/)
- [HTC](https://www.anchorterminal.com/investors/htc/)
- [Meta](https://www.anchorterminal.com/investors/meta/)
- [Stanford University](https://www.anchorterminal.com/investors/stanford-university/)
- [Samsung](https://www.anchorterminal.com/investors/samsung/)

## Questions

### Who is Ilya Gelfenbeyn?

Ilya Gelfenbeyn is co-founder.

### What does Inworld AI (Theai, Inc.) make?

Anchor 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.

### Who has invested in Inworld AI (Theai, Inc.)?

The 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.

### How are Ilya's tools graded?

Inworld Realtime TTS-2 is graded C, 58.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://inworld.ai/blog/realtime-tts-2
- https://inworld.ai/blog/realtime-tts-2-reasoning-speed-consistency
- https://inworld.ai/pricing
- https://inworld.ai/terms
- https://inworld.ai/security
- https://inworld.ai/sitemap.xml
- https://docs.inworld.ai/portal/support.md
- https://www.intelcapital.com/inworld-ai-closes-50m-series-a-to-populate-video-games-and-the-metaverse-with-interactive-ai-driven-characters/

These 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.
