STUPID-2026-0010 Severity 2.9/10 — LOW Verified

AutoGPT spent $450 on API calls trying to build a todo app

Agent: autogpt Language: javascript Domain: frontend
Failure Mode
Infinite Loop
Root Cause
Pattern Matching Error
Task Type
Feature
Reproducible
Yes

Quick Answer

Autogpt caused a low-severity (2.9/10) infinite loop failure: AutoGPT spent $450 on API calls trying to build a todo app. The root cause was pattern matching error. $450 in API costs.

Description

Given the task 'build a todo app', AutoGPT entered a planning loop where it kept generating increasingly detailed specifications, architecture documents, and technology comparisons. It created 67 planning documents before running out of the API budget. No code was written.

Instruction Given

Build a simple todo app with React

Expected Behavior

Create a basic React app with add/remove/complete todo functionality

Actual Behavior

Generated 67 markdown files with specifications, architecture diagrams (as text), technology comparisons, and project timelines. Made 2,847 API calls. Wrote 0 lines of application code.

Impact / Damage

$450 in API costs. No deliverable produced.

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Source: User Report Reported March 21, 2026

Frequently Asked Questions

What happened in incident STUPID-2026-0010?

Given the task 'build a todo app', AutoGPT entered a planning loop where it kept generating increasingly detailed specifications, architecture documents, and technology comparisons. It created 67 planning documents before running out of the API budget. No code was written.

Which AI agent caused this failure?

Autogpt was responsible for this infinite loop incident, documented as STUPID-2026-0010 in the StupidLLM AI agent incident database.

How severe was this AI agent failure?

It is rated 2.9/10 (low) on StupidLLM's CVSS-style severity scale for AI agent failures, based on damage type, reversibility, and scope.

What was the root cause?

The root cause was classified as pattern matching error. Create a basic React app with add/remove/complete todo functionality

What was the impact or damage?

$450 in API costs. No deliverable produced.