Anthropic says it has fixed three recent Claude Code quality issues: reduced default reasoning, a caching bug, and a system prompt change to reduce verbosity
Anthropic
Related Coverage
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Discussion
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@claudedevs
@claudedevs
on x
Over the past month, some of you reported Claude Code's quality had slipped. We investigated, and published a post-mortem on the three issues we found. All are fixed in v2.1.116+ and we've reset usage limits for all subscribers.
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@firstadopter
Tae Kim
on x
The most ridiculous part of this is that Anthropic employees were repeatedly in people's X mentions, gaslighting customers and telling them they were wrong.
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@claudedevs
@claudedevs
on x
We're making changes to catch these types of issues earlier, including more internal dogfooding with configs that exactly match those of our users and creating a broader set of evals and running them against isolated system prompt changes
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@theo
@theo
on x
Confirmed that Claude Code got dumber, not Claude. They shipped slop and it made the models worse. [image]
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@claudedevs
@claudedevs
on x
The issues stemmed from Claude Code and the Agent SDK harness, which also impacted Cowork since it runs on the SDK. The models themselves didn't regress, and the Claude API was not affected.
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@bcherny
Boris Cherny
on x
We've been looking into recent reports around Claude Code quality issues, and just published a post-mortem on what we found.
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@edzitron
Ed Zitron
on x
it's wild that they did not acknowledge this the entire time - Boris even went around saying nothing was wrong! Laughable company, be very curious to see if this fixes stability issues
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@carnage4life
Dare Obasanjo
on bluesky
Anthropic has tracked down and fixed why Claude seems to have gotten dumber in the past month. — 1. Reduced default reasoning effort (from High to Medium). — 2. A caching bug that accidentally deleted Claude's memory mid-session. — 3. A system prompt change for verbosity th…
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r/Anthropic
r
on reddit
Official: An update on recent Claude Code quality reports
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r/ItalyInformatica
r
on reddit
Non erano paranoie: Claude era peggiorata davvero e Anthropic lo conferma
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r/ClaudeAI
r
on reddit
Claude Code has big problems and the Post-Mortem is not enough
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r/ClaudeCode
r
on reddit
An update on recent Claude Code quality reports
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r/LocalLLaMA
r
on reddit
Anthropic admits to have made hosted models more stupid, proving the importance of open weight, local models
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@ns123abc
Nik
on x
we don't degrade our mod— [image]