Introducing ChatGPT Pro

OpenAI launched ChatGPT Pro at $200 per month, with unlimited access to OpenAI o1, o1-mini, GPT-4o, Advanced Voice, and a higher-compute o1 pro mode. The post specifies a stricter 4/4 reliability metric, where a question counts only if the model answers correctly in all four attempts, but it does not disclose concrete quotas or latency figures. The key signal is compute tiering: longer reasoning time is now a paid product feature.