The error makes sense since 5.3-Codex is not available via API (yet) Though if you're on API Key it shouldn't show you the 5.3 Codex option in the first place or is this happening when you "Sign in w/ ChatGPT".
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The error makes sense since 5.3-Codex is not available via API (yet) Though if you're on API Key it shouldn't show you the 5.3 Codex option in the first place or is this happening when you "Sign in w/ ChatGPT".