# Inferact

> Company behind vLLM — open-source LLM inference engine used by Meta, Google, and Character.ai in production.

## Why it is interesting

One of largest seed rounds of 2026; explicit mission to fund vLLM OSS while building inference products.

## Profile

- **Stage:** seed
- **Status:** private
- **Industries:** ai-ml, infra-cloud, developer-tools
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Seed (2026): $150M at $800M valuation co-led by a16z and Lightspeed for vLLM commercialization — TechCrunch
- vLLM is the dominant open-source LLM inference engine used by Meta, Google, and Character.ai in production

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz
- https://venturecapitaltracker.com/fund/lightspeed-venture-partners-nyc
- https://venturecapitaltracker.com/fund/sequoia
- https://venturecapitaltracker.com/fund/altimeter-capital
- https://venturecapitaltracker.com/fund/redpoint-ventures

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/inferact