What happened
Okta's analysis of enterprise AI tool usage—tracked across over 2 million accounts from June 2022 to June 2026—shows Anthropic ranked #1 in growth rate (indexed at 100), followed by OpenAI (66.9), Google Workspace (59.8), GitHub (56.6), and Cursor (42.4). For the largest account counts, Microsoft 365 ranked #1, with Google Workspace in second place.
Why it matters
More than half (57%) of companies now use two or more AI platforms simultaneously, signaling a shift toward a "mix-and-match" approach rather than reliance on a single vendor. This fragmentation means enterprises are actively building portfolios of AI tools tailored to specific workloads, a pattern that could reshape how software budgets are allocated across different AI providers.
What to watch
Anthropic's growth has accelerated notably since January 2026, when it began adding enterprise accounts. Over the same period, OpenAI and Cursor growth has slowed, suggesting a shift in which vendors enterprises are adopting for new deployments.
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Okta's analysis reveals a fundamental shift in how enterprises adopt AI tools. Rather than consolidating around a single vendor, companies are now mixing multiple platforms—a behavior that has emerged in just four years of widespread enterprise AI availability. Anthropic's exceptionally strong growth rate (indexed at 100 versus OpenAI's 66.9) reflects both the vendor's recent acceleration in enterprise account acquisition starting in January 2026 and the broader diversification trend. The plateauing of growth among earlier entrants like OpenAI and Cursor over the same recent period suggests that enterprises have moved past the "evaluate the leader" phase into active portfolio building. This multi-platform approach (adopted by over 57% of companies) reflects a pragmatic enterprise posture: rather than assuming one AI tool solves all use cases, companies are selecting specialized tools for narrow workloads—code generation, writing, security, cloud infrastructure, and creative tasks—and managing them as a unified ecosystem.
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