Core Viewpoint - Mistral, a prominent player in the open-source AI sector, is accused of distilling its latest model from DeepSeek, misleading the public about its model's performance and testing results [3][22][24]. Group 1: Allegations and Evidence - A former employee of Mistral revealed through a mass email that the company's latest model may have directly distilled from DeepSeek, misrepresenting it as a successful reinforcement learning case [2][3]. - Analysis by Twitter user Sam Peach indicated a surprising similarity between Mistral-small-3.2 and DeepSeek-v3, suggesting that the resemblance is likely a result of distillation rather than coincidence [7][14]. - The analysis involved identifying overused words and n-grams in the models' outputs, leading to a similarity map that showed Mistral-small-3.2 and DeepSeek-v3 were closely positioned, indicating high output similarity [16][18]. Group 2: Company Background and Market Position - Mistral, founded in 2023 and based in Paris, is often referred to as the European version of OpenAI, co-founded by former Google DeepMind and Meta employees [24]. - The company has gained significant attention, with a valuation reaching $10 billion and plans for a new funding round of $1 billion, following a previous round that raised €600 million (approximately $645 million) [25]. - Mistral has maintained an open-source approach, releasing models like Mistral Small and Mistral Code, and has developed a chatbot named LeChat to compete with ChatGPT [27][28].

Core Viewpoint - Mistral, a prominent AI company, is accused of distilling its latest model from DeepSeek, misrepresenting it as a successful reinforcement learning case while distorting benchmark test results [3][21]. Group 1: Company Background - Mistral is recognized as the European version of OpenAI and has gained a strong reputation in the open-source AI community [4][5]. - Founded in 2023 in Paris, Mistral was established by former Google DeepMind and Meta employees [24]. - The company has maintained an open-source approach, releasing models like Mistral Small and Mistral Code, which are competitive in multilingual processing and reasoning capabilities [27]. Group 2: Recent Developments - A recent Twitter leak from a former employee revealed that Mistral's model, Mistral-small-3.2, shows a high similarity to DeepSeek-v3, suggesting possible distillation [12][19]. - The leak indicates that Mistral may have concealed this fact, misleading the public about the effectiveness of its model [21]. - Mistral's valuation reached $10 billion in August 2023, with ongoing fundraising efforts [25]. Group 3: Controversy and Community Reaction - The allegations have sparked controversy, particularly due to Mistral's significant standing in the open-source AI sector [24]. - Many in the community argue that distilled models should be transparently labeled to maintain integrity [22]. - As of now, Mistral has not publicly responded to these allegations, despite recently launching a new model, Mistral Medium V3.1 [29].