Mistral AI
Efficient LLMs
- Valuation
- €21B+(~$24B) post-money (Series D, Sep 2026)
- Total Funding
- ~€5.8B(~$6.7B) cumulative (Sep 2026)
- Profit Status
- Pre-profit
- Employees
- Not publicly disclosed
About Mistral AI
Mistral AI is a European AI startup building highly efficient open and commercial language models. Their models achieve competitive performance at significantly smaller parameter counts.
Company History
Founded Apr 2023. Mistral 7B Sep 2023 - tops open-source immediately. Mixtral 8x7B Dec 2023. €600M Series B Jun 2024. Mistral Large 3 (Dec 2025, 675B MoE, Apache 2.0). Mistral Small 4 (Mar 2026, combines reasoning+vision+coding). Voxtral TTS (Mar 2026, first audio model). €1.7B Series C at €11.7B (ASML lead, Sep 2025). $830M debt raise Mar 2026 for 13,800 Nvidia chips + Paris data center. $400M+ ARR Jan 2026 (25× from $16M end-2024). Le Chat rebranded 'Vibe' May 2026. Mistral Large 4 announced 6 October 2026 as an API preview, with open weights planned for late October.
AI Models & Benchmarks
6 modelsMistral Large 4
Announced 6 October 2026 as a hosted API preview. Open weights are planned for later in October; at the time of writing only the hosted preview is available, and its benchmark claims are Mistral's own.
Mistral Large 2
Flagship model - competitive with GPT-4o and Llama 3.1 405B.
Benchmarks
- MMLU
- 84.0%
- HumanEval
- 92.0%
- MATH
- 70.0%
Mixtral 8x22B
Open-source MoE model. Best open-weights performance at the time of release.
Benchmarks
- MMLU
- 77.8%
- HumanEval
- 75.0%
- Math
- 41.8%
Mixtral 8x7B
Breakthrough MoE model - outperformed Llama 2 70B while using half the compute.
Benchmarks
- MMLU
- 70.6%
- HumanEval
- 64.1%
Codestral
State-of-the-art code model supporting 80+ programming languages.
Benchmarks
- HumanEval
- 81.1%
- MBPP
- 78.2%
Mistral 7B
Outperforms Llama 2 13B on all benchmarks at a smaller size.
Benchmarks
- MMLU
- 62.5%
- HumanEval
- 34.1%
Company Timeline
8 milestones- Apr 2023Founded by Guillaume Lample, Timothée Lacroix (Meta FAIR) and Arthur Mensch (DeepMind)
- Jun 2023€105M seed round - largest European AI seed at the time
- Sep 2023Mistral 7B open-sourced - immediately tops open-source leaderboards
- Dec 2023Mixtral 8x7B released on BitTorrent - MoE breakthrough
- Feb 2024Partnership with Microsoft Azure announced
- Apr 2024Mixtral 8x22B - best open-source model at release
- Jun 2024€600M Series B at €6B valuation; Codestral code model
- Oct 2026Mistral Large 4 announced as a hosted API preview (6 Oct); open weights planned for late October
Funding Rounds
3 rounds| Date | Round | Amount | Investors |
|---|---|---|---|
| Jun 2023 | Seed | €105M | Lightspeed, Xavier Niel, Eric Schmidt |
| Dec 2023 | Series A | €385M | a16z, Lightspeed, Salesforce |
| Jun 2024 | Series B | €600M | General Catalyst, NVIDIA, Samsung |
Products & Services
5- Mistral 7B
- Mixtral 8x7B
- Mistral Large
- Le Chat
- La Plateforme
People & ecosystem
Key People
- Arthur Mensch (CEO)
- Guillaume Lample
- Timothée Lacroix
Key Investors
- Andreessen Horowitz (a16z)
- Lightspeed
- General Catalyst
- NVIDIA
- Microsoft
- Salesforce