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claude-code - 💡(How to fix) Fix Claude Code context window not resetting — stuck at 1M instead of 200k on Pro

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Error Message

After a session ends, Claude Code is no longer resetting the context window. Instead of resetting to the standard 200k context on a new session, it carries over the previous session's context and hits the 1M limit, triggering the error: "API Error: Usage credits required for 1M context · turn on usage credits at claude.ai/settings/billing, or use --model to switch to standard context"

Error Messages/Logs

Error appears immediately without any new usage

Fix Action

Fix / Workaround

Workaround attempted: /clear command does not resolve it. Issue persists across restarts.

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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

After a session ends, Claude Code is no longer resetting the context window. Instead of resetting to the standard 200k context on a new session, it carries over the previous session's context and hits the 1M limit, triggering the error: "API Error: Usage credits required for 1M context · turn on usage credits at claude.ai/settings/billing, or use --model to switch to standard context"

What Should Happen?

Context window resets to 200k at the start of each new session.

Error Messages/Logs

Steps to Reproduce

Run a Claude Code session until context is large Exit the session Start a new Claude Code session in the same project directory Error appears immediately without any new usage

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.158

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Non-interactive/CI environment

Additional Information

Workaround attempted: /clear command does not resolve it. Issue persists across restarts.

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claude-code - 💡(How to fix) Fix Claude Code context window not resetting — stuck at 1M instead of 200k on Pro