What changed
- Codex shows each reported allowance separately, including five-hour and weekly windows, with public names such as GPT-5.3-Codex-Spark.
- Claude can report subscription windows through its usage protocol and live session events.
- Copilot and Kimi have dedicated allowance readers. Expired sign-ins and failed refreshes stop showing stale percentages; other agents have account-specific checking guidance.
Availability depends on the installed agent version and sign-in method. Other providers have dedicated checking guidance; automatic reading is not yet available for every agent.
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