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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.91 ·

Opus Usage Cost Warning [Gradual Rollout]

Entry
JSON All of v2.1.91
EntryKind: in v2.1.91,
ChangesSection of the release

The model selector now shows " · ~2× usage vs Sonnet" when selecting Opus on Pro plans, helping users understand the relative cost.

Evidence

Opus cost indicator (gated by tengu_gypsum_kite, search for "~2× usage vs Sonnet")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Read from
Feature flag
tengu_gypsum_kite Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.91: no gate table built for this version

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.91. It isn't a statement about your account. What a flag value here can and cannot tell you

What has happened since
Flag reading moved The flag server now returns off for tengu_gypsum_kite, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Flag reading moved The flag server now returns nothing at all, having stopped carrying it for tengu_gypsum_kite, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.

See this across every release →

See this entry in the whole of v2.1.91 →

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