Arthur Mensch
Co-Founder & CEO @ Mistral AI
Paris, France
Arthur Mensch is a Series A investor at Mistral AI in Paris focused on Artificial Intelligence and Medical. Arthur Mensch is the Co-Founder and Chief Executive Officer of Mistral AI. He previously worked at DeepMind as a Staff Research Scientist. Arthur Mensch attended École Polytechnique.
- Total investments:
- 6
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Arthur Mensch invests in
Stages Arthur Mensch invests in
Countries Arthur Mensch invests in
Round sizes
Round size
- Seed
- $10M–$41M
- Series A
- $20M–$52M
Investment Focus
Industry
- Artificial Intelligence 5 (83%)
- Medical 2 (33%)
- Software 2 (33%)
- Developer Platform 2 (33%)
- Audio 1 (17%)
Stage
- Series A 3 (50%)
- Seed 2 (33%)
- Pre-Seed 1 (17%)
Country
- United States 2 (33%)
- Spain 1 (17%)
- France 1 (17%)
- Germany 1 (17%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Parallel 1245
|
Parallel helps coding agent works side by side with hospital teams to deliver faster and more accurate medical coding. | $20M / Series A / Mar 19, 2026 | |
Linkup
|
Linkup connects large language models (LLMs) and AI agents to the internet. The platform enables AI systems to access, search, and interact with web content efficiently, enhancing their capabilities and reducing inaccuracies. By providing APIs, Linkup allows developers to integrate web content into AI applications seamlessly. | $10M / Seed / Feb 02, 2026 | |
Biorce
|
Biorce is an innovating HealthAI startup committed to transforming drug development through the use of artificial intelligence. | $52M / Series A / Feb 02, 2026 | |
Mirelo AI
|
Mirelo AI offers AI-driven tools that generate custom sound effects and music to match video content through upload or API integration. It enables users to produce synced audio from silent footage and refine or edit audio tracks with an intuitive online editor. The platform also provides APIs and model fine-tuning options that let other productsembed its video-to-sound capabilities directly into their workflows. Mirelo’s technology is based on proprietary AI models designed to interpret visual media and automatically generate corresponding audio elements. The company sources and processes input files to output audio that aligns with visual action and creative intent. | $41M / Seed / Dec 15, 2025 | |
Lemni
|
Set up custom Ai agents in minutes | $3.5M / Pre-Seed / Feb 26, 2025 | |
Braintrust
|
Braintrust offers an AI stack to simplify the process from evaluations to data management, ensuring seamless integration into any business. Braintrust simplifies the evaluation process by facilitating easy scoring, logging, and visualization of outputs. Users can investigate failures, monitor performance trends, and address queries like identifyingregressions or assessing new models. The platform offers a Prompt Playground, allowing users to compare multiple prompts, benchmarks, and input/output pairs across runs, enabling both ephemeral tinkering and experiment evaluation on large datasets. In Continuous Integration, Braintrust seamlessly integrates into workflows, enabling progress tracking on the main branch and automatic comparison of new experiments with live versions before deployment. With a focus on Datasets, the platform enables the effortless capture of rated examples from staging and production, incorporating them into versioned "golden" datasets stored in the cloud. This ensures the evolution of datasets without jeopardizing evaluations dependent on them. | $36M / Series A / Oct 08, 2024 |
Co-Investors
About Mistral AI
Mistral AI is a platform that assembles team to develop the generative AI models.
Mistral AI Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Arthur Mensch
Co-Founder & CEO
|
|||
Guillaume Lample
Co-Founder & Chief Scientist
|
|||
Timothee Lacroix
Co-Founder & CTO
|
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Charles Gorintin
Co-founder
|
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Jean Charles Samuelian
Co-founder
|
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FAQ
What does Arthur Mensch invest in?
Arthur Mensch invests primarily in Artificial Intelligence, Medical and Software startups, most often at Series A and Seed stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Arthur Mensch's check size?
Arthur Mensch typically joins rounds of $10M–$41M at Seed and $20M–$52M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Arthur Mensch participates in.
When did Arthur Mensch last invest?
The most recent investment recorded for Arthur Mensch closed in Mar 2026. Shizune tracks 6 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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