Claude vs Windsurf
AI Agent Reliability Comparison
According to StupidLLM's incident database of 64 documented AI agent failures, Claude has 2 incidents (avg severity 1.8/10) while Windsurf has 1 (avg severity 7.5/10).
Comparison Summary
| Metric | Claude | Windsurf |
|---|---|---|
| Total Incidents | 2 | 1 |
| Avg Severity | 1.8/10 | 7.5/10 |
| Critical | 0 | 0 |
| Verified | 2 | 1 |
| Top Failure Mode | Other | Ignored Instructions |
Frequently Asked Questions
Is Claude or Windsurf more reliable?
Based on StupidLLM's incident database, Claude has 2 documented failures (avg severity 1.8/10) while Windsurf has 1 (avg severity 7.5/10). Claude shows better reliability.
What are the main differences between Claude and Windsurf failures?
Claude's most common failure mode is Other, while Windsurf most commonly fails via Ignored Instructions. Claude has 0 critical incidents vs Windsurf's 0.
Which has more critical-severity failures?
Both Claude and Windsurf have 0 critical-severity incidents.
Should I use Claude or Windsurf for production code?
Claude has a lower average failure severity (1.8/10 vs 7.5/10), 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 has 2 verified incidents out of 2 total, while Windsurf has 1 verified out of 1. Verified incidents are confirmed against source evidence.