Codex Desktop hit by persistent "model at capacity" errors while third-party API works fine
kioooice · ghdev · 2026-10-19
A ChatGPT Plus user reports that since 14:00 UTC+8 on October 19, 2026, Codex Desktop on Windows 11 keeps failing with "Selected model is at capacity" across GPT-6.1 Sol, GPT-6 Astra, and multiple fresh sessions — intermittent, not a full outage.
Key A/B observation: in the same app and local project, requests via a configured third-party API provider work fine while ChatGPT subscription-auth requests repeatedly fail; ChatGPT on the web also works. The shown subscription quota is not exhausted, and the error doesn't clarify whether rejection is due to capacity, an account-level check, or another limit — narrowing the issue to the subscription access path.
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