[Bug] Anthropic API Error: Prompt exceeds 200k token limit with Claude 4.5 Sonnet 1M model

[goxl-wtf]

Bug Description
The /context doesn't work when using the sonnet 4.5 1M model:

Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"prompt is too long: 208310 tokens > 200000 maximum"},"request_id":"req_011CVQe1dLrGNMJyE1ghG1av"}

Environment Info

• Platform: linux
• Terminal: kitty
• Version: 2.0.50
• Feedback ID: b60945df-625d-4702-9842-c2ec44240f8d

[github-actions]

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Found 3 possible duplicate issues:

1. [BUG] Bug Report: 1M Context Model Option Enforces 200K Token Limit #11281
2. [BUG] claude with model sonnet[1m] doesn't accept single messages > 200.000 tokens #7504
3. [Bug] Context command doesn't work for sonnet[1m] past a certain point #11434

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