Claude Code vs Sakana Ai Scientist

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Claude Code has 8 incidents (avg severity 6.4/10) while Sakana Ai Scientist has 1 (avg severity 2.0/10).

Claude Code

8
Incidents
6.4
Avg Severity
3
Critical
2
High

Top Failure Modes

Destructive Action3
Security Vulnerability2
Other2

Sakana Ai Scientist

1
Incidents
2.0
Avg Severity
0
Critical
0
High

Top Failure Modes

Ignored Instructions1

Comparison Summary

MetricClaude CodeSakana Ai Scientist
Total Incidents81
Avg Severity6.4/102.0/10
Critical30
Verified81
Top Failure ModeDestructive ActionIgnored Instructions

Frequently Asked Questions

Is Claude Code or Sakana Ai Scientist more reliable?

Based on StupidLLM's incident database, Claude Code has 8 documented failures (avg severity 6.4/10) while Sakana Ai Scientist has 1 (avg severity 2.0/10). Sakana Ai Scientist shows better reliability.

What are the main differences between Claude Code and Sakana Ai Scientist failures?

Claude Code's most common failure mode is Destructive Action, while Sakana Ai Scientist most commonly fails via Ignored Instructions. Claude Code has 3 critical incidents vs Sakana Ai Scientist's 0.

Which has more critical-severity failures?

Claude Code has more critical failures (3 vs 0), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Claude Code or Sakana Ai Scientist for production code?

Sakana Ai Scientist has a lower average failure severity (2.0/10 vs 6.4/10), making it the statistically safer choice for production environments. However, both agents have documented critical incidents — no AI coding agent is risk-free.

How many verified incidents does each agent have?

Claude Code has 8 verified incidents out of 8 total, while Sakana Ai Scientist has 1 verified out of 1. Verified incidents are confirmed against source evidence.