AI research lab Anthropic’s AI models have emerged as the top choice for enterprises, outpacing OpenAI in the competitive landscape of large language models.
According to a recent report from Menlo Ventures, Anthropic now claims a significant 32% of the enterprise large language model market share by usage, positioning itself ahead of OpenAI, which holds 25%. This shift indicates a notable transformation in the market, especially when considering the trends from just a couple of years ago.
In 2023, OpenAI was riding high with a commanding 50% share of the enterprise market, while Anthropic lagged far behind with just 12%. The recent figures underscore a substantial decline in OpenAI’s enterprise usage, coupled with a steady ascent for Anthropic during the same time frame. This has led to an interesting dynamic where both companies are vying for dominance over the enterprise AI sector.
Interestingly, Google has also experienced a rise in the enterprise usage of its models in the last few years, suggesting a broader trend in the industry where various players are gaining traction in specific segments of the market.
Focusing on coding applications, Anthropic showcases an even more impressive lead, boasting 42% of the enterprise market share. This figure places Anthropic well ahead of OpenAI, which claims only 21% in the coding sector. Such statistics reveal not only the popularity of Anthropic’s models, but also their effectiveness in real-world coding applications.
The turning point for Anthropic can be traced to its release of the Claude 3.5 Sonnet model in June 2024. This launch laid the groundwork for Anthropic’s rapid uptick in usage. The subsequent release of Claude 3.7 Sonnet in February 2025 further propelled this momentum, solidifying the company’s position in the enterprise market.
Consumer engagement also plays a vital role in the ongoing narrative. OpenAI continues to maintain a strong presence among individual users. Recently, the company reported that users send over 2.5 billion prompts daily to its flagship product, ChatGPT. While this figure underscores OpenAI’s success on the consumer front, the growing preference for Anthropic’s Claude models in enterprise environments reveals a distinct trend in market dynamics.
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Diving deeper into enterprise preferences, the Menlo Ventures report highlights that businesses are gravitating more towards closed models, which is the path chosen by both Anthropic and OpenAI. A surprising statistic reveals that more than half of enterprises do not utilize open-source models at all. As of mid-year 2025, only 13% of daily workloads in enterprises are dedicated to open-source models, a decrease from 19% at the start of the year. Meanwhile, Meta continues to hold sway in the open-source market, showcasing the stark contrast between enterprise and open-source approaches.
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