On August 17, 2026 , Vercel announced that gpt-5. 6-sol is 50% off through September 18 when used through AI Gateway, with the same model ID and no code change required if you already call openai/gpt-5. 6-sol .
Source: [Dev.to](https://dev.to/marcusykim/what-the-gpt-56-cost-shift-can-teach-beginners-about-ai-app-budgeting-4big)