Rank, 14 days: 55 on the Claude Code sheet
3 people reported

All time, since Nov 9, including 1 thumbs-up on GitHub.

Auto-compact capped at 200k

“Claude Code caps autoCompactWindow to a hardcoded 200k when it does not know the model.”

Is this your bug? What gets counted gets fixed. Pile on.

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I hit this bug: rapsheet.dev/sheets/claude-code/issues/27271/file
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Auto-compact window capped at 200k for models missing from build. Setting autoCompactWindow above 200k prints "capped to model limit of 200k" for models absent from the bundled model table, though they have larger windows.

Is this your bug?

File my report
Where
Auto-compact setting
Error text
Auto-compact window for claude-fable-5-2 set to 400k tokens (capped to model limit of 200k)
Versions
2.1.317 to 2.1.323
Platforms
macOS, Windows
How bad
Breaks a normal workflow.

Not quite your bug?

  1. No 1M Opus in Desktop2 people
  2. New sessions ignore default model2 people

Original reports2, newest first

  1. autoCompactWindow is capped to 200k for models the build does not list (Fable 5.2, Muse Spark); need an override or auto-detect#109750
  2. Desktop Code tab runs Fable 5.2 with a 200K context window: bundled Claude Code 2.1.317 has no catalog entry for claude-fable-5-2#108640

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