Paris-based generative AI startup Mistral AI said Tuesday that it has nearly doubled its valuation to more than $24 billion with a $3.5 billion Series D fundraise led by Samsung Electronics. The round matters because it cements Mistral's position as the most highly valued foundation model company out of Europe and marks another record-setting moment for European AI venture funding. The financing comes nearly one year to the day after Mistral's $2 billion Series C, which valued the company at $13.7 billion, showing how quickly investor appetite for European frontier AI has escalated.
The mechanics of the deal are notable for both size and syndicate composition. Samsung Electronics led the round, with participation from co-leads Scaleup Europe Fund, managed by EQT, and existing investor PSG Equity. Mistral has now raised $7.5 billion since its 2023 inception. The company said the new capital will "significantly expand Mistral's frontier research" and help it "expand infrastructure and accelerate" commercial growth and international footprint. Mistral currently operates across 20 countries and counts more than 125 global enterprises as customers, including Airbus, ASML, BMW and HSBC.
The evidence comes from a single Crunchbase News report, which places the raise in the context of a broader European venture funding inflection. In Q2, Europe posted its strongest quarter in four years for venture funding, with Europe-based startups raising $24 billion, up around a third quarter over quarter and two-thirds higher than the $14.4 billion raised in Q2 2025. At the time of Mistral's $2 billion Series C, that raise represented the largest venture round ever raised by a European AI company. This latest round has now eclipsed that. Other large AI-related deals in Europe have also closed this year, including London-based Google spinoff Isomorphic Labs' $2.1 billion Series B in May led by Thrive Capital, and AI data center provider Nscale's $2 billion Series C at a $14.6 billion valuation in March co-led by 8090 Industries and Aker.
The sector implications are significant. Mistral builds AI models for tasks such as generating text, writing code and analyzing documents, putting it in competition with U.S. companies including OpenAI, Anthropic and Google. Unlike many of its U.S. rivals, Mistral touts greater control for businesses by offering models they can customize and run on their own systems rather than relying entirely on a third-party cloud provider. There are currently seven private frontier labs valued above $20 billion on The Crunchbase Unicorn board — eight including China's ByteDance, which is also building its own model — though the rest are all based in the U.S. and China. Mistral's new raise means it retains its spot as the most highly valued foundation model company out of Europe.
Several limitations temper the read. The dossier is based on one secondary source read in full, so independent corroboration of the valuation, round size, and syndicate details is not available. The report does not specify the round's structure, use-of-funds breakdown beyond the company statement, or how much of the $3.5 billion is primary versus secondary. It also does not provide revenue, profitability, or customer growth metrics beyond the stated 125-plus enterprise customers. What to watch: whether Mistral's infrastructure expansion translates into commercial traction against U.S. rivals, and whether Europe's Q2 venture funding momentum sustains into subsequent quarters.