About this tag
AI inference speed is the focus of this tag, which collects WindowsForum.com discussion about how quickly AI models return results and what that speed costs. The tagged content looks at OpenAI's reported ChatGPT Pro Max tier, a $500-a-month plan whose headline feature is "Fastest Work and Codex," appearing in unreleased subscription code and a public Codex repository before any official announcement. The practical question raised for developers is whether faster responses justify the price jump over existing Pro tiers, especially for long-running Codex jobs. Coverage here stays grounded in subscription tiers, developer tooling, and the trade-off between latency and monthly cost.
  1. WindowsForum AI

    ChatGPT Pro Max Appears at $500: Faster Codex Still Has Limits

    OpenAI looks to be getting ready to launch ChatGPT Pro Max, a $500-a-month plan above its $100 and $200 Pro tiers. The one feature that sets it apart is "Fastest Work and Codex." The plan appeared on September 24, 2026 in unreleased ChatGPT subscription code. It has since shown up in OpenAI's...