OpenRouter data: OpenAI catches Anthropic in enterprise AI spend
10/08/2026 — 10/08, 12:17·1 sources (all)·1 reports (all)
Key takeaways
- Citing OpenRouter data, Wallstreetcn reports that among roughly 120,000 enterprises using both OpenAI and Anthropic, spending share had draw…
- early this year Anthropic held three quarters of such customers' spend. The report adds both firms are preparing IPOs, with Anthropic possib…
Background & analysis
A report published by Wallstreetcn on October 8, citing data from OpenRouter, describes a reversal in the commercial competition between OpenAI and Anthropic in the enterprise market. The OpenRouter figures cover about 120,000 companies that use products from both vendors. In September, the two firms' shares of those customers' spending were roughly level. Earlier in the year, Anthropic alone accounted for three-quarters of the group's total spending, according to the report.
The report points to OpenAI's GPT-5.6 series as a main driver of the shift. Released in June and rolled out over the summer, the series includes three models — Sol, Terra and Luna — and was designed around cost efficiency, followed by substantial price cuts. The report also says that Anthropic's data-retention policy on its flagship Fable 5 model made some enterprise customers hesitant.
Both companies are preparing for IPOs, the report says. Anthropic could go public as early as November this year, while OpenAI is expected to follow next year. The report notes that both face sharply rising capital expenditure, and that Wall Street is closely watching whether they can justify valuations of more than $1 trillion each through sustainable business models and revenue growth. It frames the IPO stage as the ultimate arena for this contest between the two AI model developers.
AI-generated from 1 reports · updated 1 day ago
Latest turnCiting OpenRouter data, Wallstreetcn reports that among roughly 120,000 companies using both OpenAI and Anthropic products, spending share between the two had drawn roughly even by September; early this year Anthropic alone accounted for three-quarters of that group's spending. Both companies are preparing IPOs, with Anthropic possibly listing as early as November and OpenAI expected to follow next year.
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Citing OpenRouter data, Wallstreetcn reports that among roughly 120,000 companies using both OpenAI and Anthropic products, spending share between the two had drawn roughly even by September; early this year Anthropic alone accounted for three-quarters of that group's spending. Both companies are preparing IPOs, with Anthropic possibly listing as early as November and OpenAI expected to follow next year.
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