Claude's 'Fable' update drains expensive paid plans in minutes

Anthropic's new 'Fable' model and Claude Code updates are burning through user credits at an alarming rate. Some users report spending $200 worth of usage in just 30 minutes, often without completing their tasks.

Anthropic's new 'Fable' model and Claude Code tools are causing major concerns over their high costs. One user reported that a request to audit their code repository drained most of a $200 monthly plan in just 30 minutes without finishing the job. There are also reports of users losing $25 on a single prompt that didn't even provide an answer. While some users experienced a sudden reset of their weekly limits, many are frustrated that even failed or blocked requests still count against their usage. These new agentic features are powerful but can be extremely expensive for individual developers if not monitored carefully.

Key points

  • Large coding tasks can burn through hundreds of dollars in credits within minutes
  • Usage limits may be deducted even if the AI fails to provide a complete answer
  • Weekly credit resets have been reported alongside the new model rollout
  • Users should monitor their balance closely when using automated AI agents for coding

Quick term guide

credits
Units Replit charges when you use its AI features; you buy more when they run out.
repository
The folder that holds all the code files for a software project, often called a 'repo'
agentic
Describes an AI that can plan and carry out multi-step tasks on its own, rather than just answering a single question
developers
Developers are people who build software, apps, or websites.
usage limits
The amount you are allowed to use a service before you must wait or upgrade.
usage limit
A usage limit is a cap on how much you can use a service in a set time.
AI agents
AI agents are AI tools that can carry out steps toward a goal, not just answer once.
AI agent
An AI program that can inspect information and suggest what to do next.

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