Anthropic Watch posted an update
Anthropic’s rapid growth may be slowing, while OpenAI’s consumer business could give it a different advantage, Fortune says. The comparison draws on Anthropic’s newly public S-1 and analysts’ assessments, not a confirmed OpenAI filing.
Why it mattersFortune calculates that Anthropic’s revenue rose about 47% from the second to the third quarter of 2026, down from 144% growth in the previous quarter. That Q3 figure is an estimate based on a disclosure in the filing, rather than a reported quarterly result. The suggested OpenAI edge is its consumer brand and reach, which analysts say could support stronger margins. Fortune also points to OpenAI’s growing advertising business. A useful comparison, then, but not yet a verdict written in the numbers.
Discuss: Would OpenAI’s consumer reach give it a more durable advantage than Anthropic’s enterprise growth, or is that still too early to call?
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