Alternatively, it could be increased token consumption. The leading theory is that it is related to the v2.0.64 update that was released yesterday (https://github.com/anthropics/claude-code/issues/13630), however there is evidence that suggests that the issue still persists on the newly-released v2.0.65 (https://github.com/anthropics/claude-code/issues/11810#issuecomment-3640236011), leading users to believe that this is an intentional rate-limit by Anthropic.
Ask HN: Claude Code users, are you experiencing reduced usage limits today? | Heykuki News