Marina Lyubimova
The AI race is no longer about who is bigger - it’s about who is growing faster. And right now, momentum is shifting. While OpenAI still represents scale, Anthropic is accelerating at a pace that is beginning to redefine leadership in the market.
The data shows a clear divergence. OpenAI reaches roughly $24B in ARR by April 2026, reflecting continued but stabilizing growth. Anthropic, meanwhile, surges to around $30B, driven by sustained hypergrowth.
Combined, the two companies now represent about $54B in ARR - a scale that confirms the AI market is expanding faster than most projections.
Founder perspective: this is not normal growth
The speed of expansion is what stands out most:
$1 billion to $30 billion in 15 months.
If accurate, that would make it one of the fastest scaling businesses in modern US history. More importantly, the growth appears to be driven by a fundamentally different model - one focused on enterprise monetization rather than mass consumer usage.
The real shift
What’s changing is not just leadership - it’s how success in AI is measured. OpenAI operates at massive scale, with hundreds of millions of users, many of whom are not directly monetized. Anthropic, by contrast, appears to be building a more concentrated, enterprise-driven model, where a smaller number of customers generate a disproportionate share of revenue. This suggests a deeper shift: monetization efficiency may now matter more than user scale.
What the market is actually saying
Markets are increasingly rewarding acceleration over size. The current trajectory suggests that capital, partnerships, and demand are flowing toward companies that can scale revenue fastest, not just those that reached scale first.
At the same time, narratives around valuation - such as OpenAI prepares for record $1 trillion IPO - highlight how expectations remain tied to future growth, not current dominance.
Broader coverage also shows that AI competition intensifies with OpenAI and Anthropic growth, reinforcing the idea that the market is evolving toward multiple leaders rather than a single winner.
Conclusion
The AI race is entering a new phase. OpenAI remains a dominant force, but Anthropic’s growth is redefining what leadership looks like. The next leader in AI may not be the biggest - but the fastest growing.
Marina Lyubimova
