“So this is something that I've found very interesting is that we've been trying to build a lot of alternative data sources for token usage, who's using tokens, what models, where, etcetera, why, and it's very clear that people aren't actually using the reasoning models that much in API. Anthropic has eclipsed OpenAI and API revenue,”
Patel claims Anthropic has overtaken OpenAI in API revenue, primarily from Claude 4 non-reasoning mode for code use cases.
“Anthropic has eclipsed OpenAI and API revenue, and their API revenue is primarily not thinking. It's Cloud four, but it's not in the thinking mode, code being the biggest use case that's skyrocketing.”