Amazon Q vs Windsurf

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Amazon Q has 1 incidents (avg severity 10.0/10) while Windsurf has 1 (avg severity 7.5/10).

Amazon Q

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability1

Windsurf

1
Incidents
7.5
Avg Severity
0
Critical
1
High

Top Failure Modes

Ignored Instructions1

Comparison Summary

MetricAmazon QWindsurf
Total Incidents11
Avg Severity10.0/107.5/10
Critical10
Verified11
Top Failure ModeSecurity VulnerabilityIgnored Instructions

Frequently Asked Questions

Is Amazon Q or Windsurf more reliable?

Based on StupidLLM's incident database, Amazon Q has 1 documented failures (avg severity 10.0/10) while Windsurf has 1 (avg severity 7.5/10). Windsurf shows better reliability.

What are the main differences between Amazon Q and Windsurf failures?

Amazon Q's most common failure mode is Security Vulnerability, while Windsurf most commonly fails via Ignored Instructions. Amazon Q has 1 critical incidents vs Windsurf's 0.

Which has more critical-severity failures?

Amazon Q has more critical failures (1 vs 0), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Amazon Q or Windsurf for production code?

Windsurf has a lower average failure severity (7.5/10 vs 10.0/10), 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?

Amazon Q has 1 verified incidents out of 1 total, while Windsurf has 1 verified out of 1. Verified incidents are confirmed against source evidence.