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OpenAI beats Anthropic for U.S. business share in 2026

8/21/2026

50 4 Full Breakdown

Summary

OpenAI Outpaces Anthropic

OpenAI is outgrowing Anthropic among U.S. businesses in Q3 2026, per Ramp data.
In July 2026 OpenAI held 39.7% of paying U.S. businesses, Anthropic 43.5%.
OpenAI’s growth is driven by GPT-5.6 Sol, which accounts for 25% of tokens and 23% of spend.
Anthropic’s Fable 5 captured only 6% of tokens and 11.4% of spend in July 2026.
OpenAI reportedly generated $3.4 billion annualized revenue, while Anthropic crossed $1 billion.

Summary

OpenAI Preps IPO

OpenAI CFO Sarah Friar announced a confidential S-1 filing on June 8, targeting a 2027 IPO.
Fidelity Securities analysts estimate OpenAI’s IPO valuation between $700 billion and $800 billion, below $1 trillion.
Anthropic will grant extra voting shares to CEO Dario Amodei and co-founders before its IPO.
OpenAI launched The Deployment Company with TPG, Bain Capital and SoftBank to build a $100 billion enterprise AI platform.

History

Historical Context

In August 2004 Google went public, selling 19.6 million shares at $85 each, raising $1.67 billion and valuing the company above $23 billion. Of the float, 14.1 million shares came from Google and 5.5 million from existing shareholders. The offering followed early backing from venture firms Kleiner Perkins and Sequoia. Today OpenAI and Anthropic’s AI pursuits echo that precedent, drawing regulators and rivals to scrutinize massive valuations.

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OpenAI Outpaces Anthropic

OpenAI is outgrowing Anthropic among U.S. businesses in Q3 2026, per Ramp data.
In July 2026 OpenAI held 39.7% of paying U.S. businesses, Anthropic 43.5%.
OpenAI’s growth is driven by GPT-5.6 Sol, which accounts for 25% of tokens and 23% of spend.
Anthropic’s Fable 5 captured only 6% of tokens and 11.4% of spend in July 2026.
OpenAI reportedly generated $3.4 billion annualized revenue, while Anthropic crossed $1 billion.

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