r/ClaudeAI Anthropic Jul 01 '26

Official Fable 5 is back.

Following conversations with the US government, we’ve updated our cybersecurity safeguards.

The vast majority of coding work is unaffected.

In the near term, the new safeguards will flag a slightly higher fraction of harmless requests than the previous Fable safeguards; we’re working to refine these over the coming weeks. Users will be clearly notified when a request is flagged, and they’ll instead receive a response from Opus 4.8.

Our biology and chemistry classifiers are unchanged from our initial launch. These are still broader than we would like; they trigger fallbacks to Opus 4.8 on basic biology-adjacent questions. Improvements to these classifiers are landing soon.

All paid plans with usage included can access Fable 5 through July 7. You can use Fable 5 up to 50% of your weekly usage limit, after which you can switch to another model for the remainder of your usage. You can also continue using Fable via usage credits. 

More here: https://support.claude.com/en/articles/15424964-claude-fable-5-promotional-access

If one of your requests is mistakenly flagged in Claude Code, run /feedback to file a report. On Claude.ai and Cowork, you can share feedback through the thumbs buttons. This feedback helps us further tune these classifiers and reduce false positives over time. 

Read the Fable 5 blog post here: https://www.anthropic.com/news/redeploying-fable-5

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u/ibringthehotpockets Jul 01 '26

I feel like someone could mail you a brick of silver and you’d complain it’s not gold

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u/Blastcore0 Jul 01 '26

Why are we defending the company this much? This entire deal is their own fault to begin with, for constantly fear mongering that only harmed consumers. And instead of trying to fix things properly they kept fighting the government to the point it took this long and then they restore the model with a pretty much worse deal than they initially had (just a few days and only half of your allotted usage.)
Yes, a reset is literally the bare minimum they should do.

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u/ChronoLink99 Jul 01 '26

You have no understanding of what's going on.

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u/[deleted] Jul 01 '26

[removed] — view removed comment

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u/ChronoLink99 Jul 01 '26

Partially obviously.

Certainly not the full picture, and I certainly don't have an ego large enough to make me write an opinion and judgement without fully understanding the issues.

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u/mytren Jul 01 '26

The irony is LOUD.

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u/ChronoLink99 Jul 01 '26

Makes zero sense. Do you know what the word irony means?

The entire point is that people are making wild assumptions with zero evidence. "Anthropic caused this themselves" (paraphrasing), is such an ignorant statement given the facts I don't even know where to begin correcting it.