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Fable 5 cowork burned through my whole week with no results plus api credits. Anthropic not interested in basic customer service.

Reddit · Kilt_Rump · July 10, 2026
A Fable 5 user's agent system failed during a research project, with one agent stalling in a compression loop and consuming the entire weekly API quota plus $60 in additional credits. When the user requested a refund through customer service, an automated response citing refund ineligibility was repeatedly issued and closed the ticket automatically. The user expressed frustration that this level of support was inadequate for a paying Max plan customer.

Detailed Analysis

A Reddit user's account of a failed autonomous agent run has surfaced fresh concerns about both the reliability of Claude's agentic coding and orchestration tools and the quality of Anthropic's customer support infrastructure. According to the post, the user configured "Fable 5" running in a "cowork" multi-agent setup—apparently a third-party or community tool built atop Claude's API for orchestrating teams of agents on research tasks—and left it running overnight unattended. Rather than producing usable output, one of the agents became stuck in what the user describes as a "compression loop," a failure mode where an agent repeatedly attempts to summarize or condense context without making forward progress, consuming tokens indefinitely until resources are exhausted. By morning, the user's weekly usage allotment on a Claude Max subscription had been fully consumed, and an additional $60 in separately purchased API credits had also been burned through, with no research deliverable to show for it.

The second half of the complaint centers on Anthropic's automated support system, which appears to rely on Fin, a third-party AI customer service chatbot commonly used for tier-one ticket triage. When the user attempted to explain the situation and request a refund or credit, the bot repeatedly returned a boilerplate denial citing refund-eligibility timeframes, then auto-closed the ticket—despite the user noting that both the Max subscription and the API credit purchase were recent and active. This pattern, an AI system handling complaints about a failure caused by another AI system, with no apparent path to human escalation, is emblematic of a broader industry tension: companies scaling AI-driven support to handle growing user bases while those same automated systems struggle with nuanced, non-standard cases that don't fit predefined refund logic.

The incident is illustrative of two converging risks in the current wave of agentic AI deployment. First, autonomous or semi-autonomous agent orchestration—letting multiple AI agents run unsupervised for extended periods on open-ended tasks—remains immature. Failure modes like infinite loops, runaway token consumption, or agents getting stuck in self-referential compression or summarization cycles are known hazards that current guardrails (timeouts, budget caps, loop detection) don't reliably prevent, especially in third-party tools that sit atop the Claude API rather than being built directly by Anthropic. The user's own admission that a monthly spending cap was the only thing preventing greater financial damage underscores how much responsibility currently falls on end users to self-protect against agent malfunction, rather than on the platform to detect and halt runaway processes automatically.

Second, and arguably more damaging to trust, is the optics of an AI company using AI to adjudicate complaints about AI failures. For paying Max-tier subscribers, who represent Anthropic's higher-margin, highest-engagement customer segment, encountering a support experience with no human recourse can be particularly corrosive to loyalty, especially when the underlying issue involves real financial loss. As AI labs increasingly automate customer service to manage scale, this case adds to a growing body of anecdotal evidence—shared widely on forums like r/ClaudeAI—that automated support triage can create a frustrating loop of its own: users harmed by an AI agent seeking redress from another AI agent, with limited visibility into whether a human ever reviews the case. As agentic AI products move further into production use, this combination of technical immaturity in autonomous execution and support infrastructure that lacks human fallback is likely to remain a recurring friction point industry-wide.

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