Why Is the Same Codex Smooth on a Plus Subscription but Slow with a Third-Party API? 5 Categories of Causes and 3 Sets of Comparative Troubleshooting Methods

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Author’s note: How long a Codex task takes is determined by the model, reasoning effort, service path, tool loop, cache, and network. Running the same task as a control and timing each segment is how you find the bottleneck. The same Codex feels smooth when you sign in with ChatGPT Plus, but slows down once … Read more