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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

1M-context eligibility uses per-model native1mHere

The check for whether a model can use a 1M-token context now reads a per-model native1mHere value

Under the hood Internal Changes
JSON All of v2.1.281
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ModelsArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release

Unclear The finding does not say whether this changes which models actually qualify.

What

The context window is how much text a model can consider at once, and some models support 1 million tokens of it. The check for whether a model qualifies now reads a per-model value, native1mHere, instead of calling a separate helper.

Why

Eligibility for 1M context is now decided from each model's own details.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtThe finding does not say whether this changes which models actually qualify.

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