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  "markdown": "Angel investor.\n\n## Companies on Anchor Terminal\n\n- **Lobby OS, Inc.**\n  - [Lobby](https://www.anchorterminal.com/tools/lobby-os.md), graded F, 11.4/100\n  - Source: https://sarahallali.com\n- **Mistral AI**, Seed, June 2023, valued at more than €21B post-money, Series D, September 2026\n  - [Mistral AI API](https://www.anchorterminal.com/tools/mistral-api.md), graded BB, 71.2/100\n  - [Mistral Embed and Codestral Embed](https://www.anchorterminal.com/tools/mistral-embeddings.md), graded C, 58/100\n  - [Mistral Moderation API](https://www.anchorterminal.com/tools/mistral-moderation.md), graded C, 58.4/100\n  - [Mistral OCR API](https://www.anchorterminal.com/tools/mistral-ocr.md), graded C, 58.8/100\n  - [Mistral Vibe CLI](https://www.anchorterminal.com/tools/mistral-vibe-cli.md), graded B, 63/100\n  - [Mistral Voxtral Transcribe](https://www.anchorterminal.com/tools/mistral-voxtral-transcribe.md), graded B, 64.2/100\n  - [Voxtral Mini 4B Realtime 2602](https://www.anchorterminal.com/tools/voxtral-mini-4b-realtime-2602.md), graded C, 60.3/100\n  - 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\n\n## Where they invest\n\n- Speech-to-text, 2\n- Personal assistants, 1\n- Model APIs \u0026 inference, 1\n- Embeddings \u0026 rerankers, 1\n- Guardrails \u0026 safety filters, 1\n- Document parsing \u0026 extraction, 1\n- Agent harnesses, 1\n\n## Founders they backed\n\n- [Sarah Allali](https://www.anchorterminal.com/people/sarah-allali/), Lobby OS, Inc.\n- [Nicolas Cabrignac](https://www.anchorterminal.com/people/nicolas-cabrignac/), Lobby OS, Inc.\n- [Arthur Mensch](https://www.anchorterminal.com/people/arthur-mensch/), Mistral AI\n- [Guillaume Lample](https://www.anchorterminal.com/people/guillaume-lample/), Mistral AI\n- [Timothee Lacroix](https://www.anchorterminal.com/people/timothee-lacroix/), Mistral AI\n\n## Questions\n\n### Which AI tools has Xavier Niel invested in?\n\nAnchor Terminal lists Lobby OS, Inc. and Mistral AI backed by Xavier Niel.\n\n### How are Xavier Niel's companies graded?\n\nOn 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).\n\nInvestors 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. An investor isn't a sign of quality, and nobody can pay to be listed or to change a grade. To correct something or have a page removed, write to privacy@anchorterminal.com.\n",
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