Anthropic Surpasses OpenAI in Enterprise AI Market Share

Anthropic has overtaken OpenAI in enterprise AI market share, holding 32% compared to OpenAI's 25%. The shift is attributed to the success of their Claude models, particularly in coding. OpenAI remains strong on the consumer side, with billions of prompts sent daily to ChatGPT.

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The AI Maker

9/21/20262 min read

Anthropic has taken the lead in enterprise AI market share

In an intriguing turn of events, AI research lab Anthropic (https://www.anthropic.com) has emerged as the leading choice for enterprises, overtaking OpenAI (https://www.openai.com) in the large language model market. According to a recent report by Menlo Ventures (https://www.menloventures.com) , Anthropic now commands a significant 32% of the enterprise market share by usage, compared to OpenAI's 25%.

This shift marks a notable change from just a couple of years ago when OpenAI held a dominant 50% of the enterprise market share, while Anthropic was still carving out its niche with only 12%. The report highlights a steady rise in Anthropic's popularity since 2023, coinciding with the release of its Claude 3.5 Sonnet model in June 2024. This innovative model laid the groundwork for the company's surge in enterprise usage, further fueled by the launch of Claude 3.7 Sonnet in February 2025.

Interestingly, Anthropic's lead is even more pronounced in the coding sector, where it holds an impressive 42% of the enterprise market share—more than double that of OpenAI's 21%. This suggests that developers are increasingly favoring Claude for coding tasks, aligning with anecdotal evidence that suggests enterprise and startup developers are leaning towards Anthropic's offerings.

While Anthropic is gaining traction in the enterprise space, OpenAI continues to maintain a strong presence on the consumer side. The latest data reveals that OpenAI's ChatGPT (https://www.openai.com/chatgpt) users are sending more than 2.5 billion prompts daily, showcasing the platform’s popularity among individual users.

Another interesting finding from the Menlo Ventures report is the preference among enterprises for closed models, which both Anthropic and OpenAI provide. More than half of the surveyed enterprises indicated that they do not utilize open-source models at all. This is a significant decrease from earlier in the year, where only 13% of daily workloads involved open-source models, down from 19% at the start of 2025. In contrast, Meta (https://www.meta.com) continues to dominate the open-source market.

As the AI landscape evolves, it will be fascinating to observe how these shifts impact future developments and strategies for both Anthropic and OpenAI. With the growing preference for closed models and a clear tilt towards coding capabilities, the race for enterprise dominance is heating up.

Cited: https://techcrunch.com/2025/07/31/enterprises-prefer-anthropics-ai-models-over-anyone-elses-including-openais/

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