# Xavier Niel (slim)

> Xavier Niel's investments in AI tools on Anchor Terminal, Lobby OS, Inc. and Mistral AI, with each listing's grade and the founders behind it.

- Full: https://www.anchorterminal.com/investors/xavier-niel/index.md (~850 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/investors/xavier-niel/index.json · canonical https://www.anchorterminal.com/investors/xavier-niel/
- 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)

Angel investor.

## Companies on Anchor Terminal

- **Lobby OS, Inc.**
  - [Lobby](https://www.anchorterminal.com/tools/lobby-os.md), graded F, 11.4/100
  - Source: https://sarahallali.com
- **Mistral AI**, Seed, June 2023, valued at more than €21B post-money, Series D, September 2026
  - [Mistral AI API](https://www.anchorterminal.com/tools/mistral-api.md), graded BB, 71.2/100
  - [Mistral Embed and Codestral Embed](https://www.anchorterminal.com/tools/mistral-embeddings.md), graded C, 58/100
  - [Mistral Moderation API](https://www.anchorterminal.com/tools/mistral-moderation.md), graded C, 58.4/100
  - [Mistral OCR API](https://www.anchorterminal.com/tools/mistral-ocr.md), graded C, 58.8/100
  - [Mistral Vibe CLI](https://www.anchorterminal.com/tools/mistral-vibe-cli.md), graded B, 63/100
  - [Mistral Voxtral Transcribe](https://www.anchorterminal.com/tools/mistral-voxtral-transcribe.md), graded B, 64.2/100
  - [Voxtral Mini 4B Realtime 2602](https://www.anchorterminal.com/tools/voxtral-mini-4b-realtime-2602.md), graded C, 60.3/100
  - Source: https://tech.eu/2023/06/14/fantastique-french-start-up-mistral-ai-raises-a-105-million-seed-round-in-its-first-month-of-existence

## Where they invest

- Speech-to-text, 2
- Personal assistants, 1
- Model APIs & inference, 1
- Embeddings & rerankers, 1
- Guardrails & safety filters, 1
- Document parsing & extraction, 1
- Agent harnesses, 1

## Founders they backed

- [Sarah Allali](https://www.anchorterminal.com/people/sarah-allali/), Lobby OS, Inc.
- [Nicolas Cabrignac](https://www.anchorterminal.com/people/nicolas-cabrignac/), Lobby OS, Inc.
- [Arthur Mensch](https://www.anchorterminal.com/people/arthur-mensch/), Mistral AI
- [Guillaume Lample](https://www.anchorterminal.com/people/guillaume-lample/), Mistral AI
- [Timothee Lacroix](https://www.anchorterminal.com/people/timothee-lacroix/), Mistral AI

## Questions

### Which AI tools has Xavier Niel invested in?

Anchor Terminal lists Lobby OS, Inc.

### How are Xavier Niel's companies graded?

On Anchor Terminal's benchmark, Lobby (F, 11.4), Mistral AI API (BB, 71.2), Mistral Embed and Codestral Embed (C, 58), Mistral Moderation API (C, 58.4), Mistral OCR API (C, 58.8), Mistral Vibe CLI (B, 63), Mistral Voxtral Transcribe (B, 64.2) and Voxtral Mini 4B Realtime 2602 (C, 60.3).

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.