GPT-5.6 Sol drives OpenAI's revenue surge as it regains ground on Anthropic
35% revenue surge in a quarter. OpenAI just reclaimed the API spending lead from Anthropic after losing it.

Why it matters
The frontier lab revenue race just shifted. GPT-5.6 Sol's launch flipped enterprise adoption back toward OpenAI, signaling a capability or pricing inflection point that practitioners and investors need to track.
The key facts
5 to knowGPT-5.6 Sol launched early July 2026
OpenAI quarterly revenue up 35%
Enterprise revenue growth >50%
OpenAI regained API spending lead from Anthropic (first time after Anthropic overtook)
Data from Ramp showing business spending shifts
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: Since GPT-5.6 Sol launched in early July, OpenAI says revenue is up 35 percent this quarter, with enterprise revenue growing more than 50 percent. Ramp data shows OpenAI outpacing Anthropic in business API spending for the first time after Anthropic had overtaken OpenAI in quarterly revenue.