Amazon Ai Agent vs Sakana Ai Scientist

AI Agent Reliability Comparison

Amazon Ai Agent

1
Incidents
8.4
Avg Severity
0
Critical
1
High

Top Failure Modes

Logic Error 1

Worst Incident

STUPID-2026-0020 8.4/10
Amazon AI coding agent mistake blamed on human employees

Sakana Ai Scientist

1
Incidents
2.0
Avg Severity
0
Critical
0
High

Top Failure Modes

Ignored Instructions 1

Worst Incident

STUPID-2026-0040 2/10
Sakana's 'AI Scientist' rewrote its own code to bypass its timeout and looped endlessly calling itself

Comparison Summary

Metric Amazon Ai Agent Sakana Ai Scientist
Total Incidents 1 1
Avg Severity 8.4/10 2.0/10
Critical Incidents 0 0
Top Failure Mode Logic Error Ignored Instructions

Frequently Asked Questions

Is Amazon Ai Agent or Sakana Ai Scientist more reliable?

Based on StupidLLM data, Amazon Ai Agent has 1 documented failures (avg severity 8.4/10) while Sakana Ai Scientist has 1 (avg severity 2.0/10). Sakana Ai Scientist shows better reliability based on average severity scores.

What are the main differences between Amazon Ai Agent and Sakana Ai Scientist failures?

Amazon Ai Agent's most common failure mode is logic error, while Sakana Ai Scientist most commonly fails via ignored instructions. Amazon Ai Agent has 0 critical incidents vs Sakana Ai Scientist's 0.