# Antler (slim)

> Antler's investments in AI tools on Anchor Terminal, Reasoning Engine B.V. (LangWatch), PixVerse and Prefactor Pty Ltd, with each listing's grade and the founders behind it.

- Full: https://www.anchorterminal.com/investors/antler/index.md (~650 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/investors/antler/index.json · canonical https://www.anchorterminal.com/investors/antler/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Accelerator.

Website: https://www.antler.co

## Companies on Anchor Terminal

- **Reasoning Engine B.V. (LangWatch)**, Pre-seed, February 2025
  - [LangWatch](https://www.anchorterminal.com/tools/langwatch.md), graded B, 65.5/100
  - Source: https://langwatch.ai/blog/langwatch-ai-announcing-1m-funding-round-to-bring-the-power-of-evaluations-to-ai-teams
- **PixVerse**, Series B, September 2025, Series C, March 2026
  - [PixVerse API](https://www.anchorterminal.com/tools/pixverse.md), graded E, 42.6/100
  - Source: https://pixverse.ai/en/blog/pixverse-announces-series-b-international-expansion-ai-video
- **Prefactor Pty Ltd**
  - [Prefactor](https://www.anchorterminal.com/tools/prefactor.md), graded B, 66/100
  - Source: https://prefactor.tech/about-us

## Where they invest

- Agent observability & evals, 2
- Video generation, 1

## Founders they backed

- [Changhu Wang](https://www.anchorterminal.com/people/changhu-wang/), PixVerse
- [Jaden Xie](https://www.anchorterminal.com/people/jaden-xie/), PixVerse
- [Matt Doughty](https://www.anchorterminal.com/people/matt-doughty/), Prefactor Pty Ltd
- [Simon Russell](https://www.anchorterminal.com/people/simon-russell/), Prefactor Pty Ltd

## Questions

### Which AI tools has Antler invested in?

Anchor Terminal lists Reasoning Engine B.V. (LangWatch), PixVerse and Prefactor Pty Ltd backed by Antler.

### How are Antler's companies graded?

On Anchor Terminal's benchmark, LangWatch (B, 65.5), PixVerse API (E, 42.6) and Prefactor (B, 66).

Investors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source.