Sonnet 4 Model Incorrectly Reports April 2024 Knowledge Cutoff

Bug Description
Model sonnet 4 does not appear to be Sonnet 4. When asked when its cutoff date is it thinks it is in April 2024 when it should be January 2025. Are you using Sonnect 3.5?
/model
⎿ Set model to sonnet (claude-sonnet-4-20250514)

what is your knowledge cut off date?

● My knowledge cutoff date is April 2024. I was trained on information available up to that time, so I don't have access to events or developments that occurred after April 2024.

Environment Info

• Platform: linux
• Terminal: cursor
• Version: 1.0.51
• Feedback ID:

Errors

[{"error":"AxiosError: Request failed with status code 403\n    at mH (file:///home/harrisonrx/.nvm/versions/node/v24.2.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:528:1070)\n    at Unzip.EA (file:///home/harrisonrx/.nvm/versions/node/v24.2.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:529:9950)\n    at Unzip.emit (node:events:519:35)\n    at Unzip.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1701:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at An.request (file:///home/harrisonrx/.nvm/versions/node/v24.2.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:531:2081)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Qy6 (file:///home/harrisonrx/.nvm/versions/node/v24.2.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2039:468)\n    at async Promise.all (index 0)\n    at async file:///home/harrisonrx/.nvm/versions/node/v24.2.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2025:6159","timestamp":"2025-07-16T11:39:02.552Z"}]