Anthropic widened its business AI lead over OpenAI, but Fable 5 adoption barely moved. per Ramp.

Price as the constraint: Fable 5 costs roughly $10 per 1M tokens, about twice GPT-5.6 Sol.

1.1-point monthly gain nearly five times OpenAI's 0.23-point increase.

Both companies are still growing, but Anthropic is now adding business adoption much faster on Ramp's measure.

This is Ramp's July spend data, Anthropic reached 43.5% of eligible U.S. businesses vs OpenAI's 39.7%.

Inside Anthropic's model mix, Fable 5 accounts for just 6% of tokens and 11.4% of model spend after roughly a month, and its share is not rising.

GPT-5.6 Sol represents 25% of OpenAI tokens and 23% of spend, while Fable 5 generated only about 75% as much model-attributed spend in July.