OpenAI taps Barret Zoph to lead enterprise AI sales as market share drops to 27%

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OpenAI has appointed Barret Zoph to spearhead its enterprise AI sales efforts as the company faces declining market share in the business sector. Despite launching ChatGPT Enterprise before rivals, OpenAI's market share fell from 50% in 2023 to 27% by end of 2025, while Anthropic surged to 40% and Google Gemini held steady at 21%.

OpenAI reorganizes leadership for enterprise AI push

OpenAI has made a strategic shift in its leadership structure, appointing Barret Zoph to head its enterprise AI sales efforts in 2026, according to an internal memo reported by The Information

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. The leadership change comes as the company confronts a stark reality: its once-dominant position in the enterprise large language model sector is eroding rapidly. Zoph returned to OpenAI last week after a brief stint at Thinking Machine Labs, the AI startup co-founded by former OpenAI executive Mira Murati, where he served as co-founder and chief technology officer since October 2024

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. The exact circumstances surrounding his departure from Thinking Machine Labs remain unclear, with speculation about whether he and other former OpenAI employees were fired or left voluntarily, possibly with plans to return all along

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Source: TechCrunch

Source: TechCrunch

Declining market share forces strategic pivot

The numbers tell a sobering story for OpenAI. Despite launching ChatGPT Enterprise in 2023—more than a year before Anthropic and multiple years before Google rolled out their enterprise offerings—the company has watched its market share plummet from 50% in 2023 to just 27% at the end of 2025

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. This declining market share has become a critical concern for CEO Sam Altman, who expressed worry in an internal memo several months ago about Google Gemini's growth encroaching on OpenAI's position

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. The company claims ChatGPT Enterprise has attracted more than 5 million business users, with major customers including SoftBank, Target, and Lowe's

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Competitors capture enterprise ground

While OpenAI struggles, its competitors have gained significant traction. Anthropic now holds a commanding 40% market share in the enterprise large language model usage, according to a December report from Menlo Ventures, which has invested heavily in the AI research lab

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. That represents substantial growth from an estimated 32% in July

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. Google Gemini has maintained steadier adoption, with its LLM usage market share growing modestly from 20% in July to 21% by year-end after launching its enterprise product last fall

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Enterprise growth becomes 2026 priority

OpenAI CFO Sarah Friar underscored enterprise growth as a focal point for the company in 2026 in a blog post published Sunday

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. The company has already taken steps to expand its reach, announcing an expanded multi-year partnership with ServiceNow that will provide ServiceNow customers access to OpenAI models

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. Zoph's appointment represents a significant bet on his ability to reverse the company's fortunes in the business sector. Previously serving as vice president of post-training inference at OpenAI from September 2022 to October 2024, he now steps into a markedly different role that will likely prove crucial as OpenAI attempts to reclaim lost ground from competitors who have capitalized on its early market lead

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