Huh, so they do. Anthropic: https://support.claude.com/en/articles/8977456-how-do-i-pay-for-my-claude-api-usage https://support.claude.com/en/articles/8977456-

Huh, so they do. Anthropic: https://support.claude.com/en/articles/8977456-how-do-i-pay-for-my-claude-api-usage https://support.claude.com/en/articles/8977456-how-do-i-pay-... - you can pre-pay and get a hard cutoff. OpenAI: https://community.openai.com/t/how-to-set-billing-limits-and-restrict-model-usage-for-a-project-via-openai-api/1087771/11 https://community.openai.com/t/how-to-set-billing-limits-and... - last time I looked OpenAI had a soft but not hard limit, I guess they fixed that last year. I remember bugging them both about this last year, I need to update my mental model!