Multiple Llms vs Windsurf

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Multiple Llms has 3 incidents (avg severity 3.8/10) while Windsurf has 1 (avg severity 7.5/10). Here's how these two AI coding agents compare on reliability, failure modes, and real-world risk.

Multiple Llms

3
Incidents
3.8
Avg Severity
0
Critical
0
High

Top Failure Modes

Hallucination 3

Worst Incident

STUPID-2026-0033 6.4/10
Slopsquatting: LLMs hallucinate package names attackers pre-register (react-codeshift, unused-imports)

Windsurf

1
Incidents
7.5
Avg Severity
0
Critical
1
High

Top Failure Modes

Ignored Instructions 1

Worst Incident

STUPID-2026-0007 7.5/10
Windsurf ignored .gitignore and committed node_modules and .env

Comparison Summary

Metric Multiple Llms Windsurf
Total Incidents 3 1
Avg Severity 3.8/10 7.5/10
Critical Incidents 0 0
Top Failure Mode Hallucination Ignored Instructions

Frequently Asked Questions

Is Multiple Llms or Windsurf more reliable?

Based on StupidLLM's incident database, Multiple Llms has 3 documented failures (avg severity 3.8/10) while Windsurf has 1 (avg severity 7.5/10). Multiple Llms shows better reliability based on average severity scores.

What are the main differences between Multiple Llms and Windsurf failures?

Multiple Llms's most common failure mode is hallucination, while Windsurf most commonly fails via ignored instructions. Multiple Llms has 0 critical incidents vs Windsurf's 0.

Which has more critical-severity failures?

Both Multiple Llms and Windsurf have 0 critical-severity incidents — the most dangerous category of AI agent failure.

What is the most dangerous failure mode for Multiple Llms?

Multiple Llms's most frequent failure mode is hallucination — its worst documented incident (STUPID-2026-0033) was rated 6.4/10 severity. Understanding these failure patterns helps teams decide whether Multiple Llms is safe for their specific use case.

What is the most dangerous failure mode for Windsurf?

Windsurf's most frequent failure mode is ignored instructions — its worst documented incident (STUPID-2026-0007) was rated 7.5/10 severity. Understanding these failure patterns helps teams decide whether Windsurf is safe for their specific use case.

Should I use Multiple Llms or Windsurf for production code?

Based on StupidLLM's reliability data, Multiple Llms has a lower average failure severity (3.8/10 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?

Multiple Llms has 3 verified incidents out of 3 total, while Windsurf has 1 verified out of 1. Verified incidents are confirmed against source evidence (GitHub PRs, bug reports, news articles), making them the most reliable data points in StupidLLM's database.

How does Multiple Llms compare to other AI agents?

StupidLLM tracks 27 AI coding agents. Multiple Llms has 3 documented failures — placing it among the more reliable agents tracked. See the full comparison matrix for context against all tracked agents.

How does Windsurf compare to other AI agents?

StupidLLM tracks 27 AI coding agents. Windsurf has 1 documented failures — placing it among the higher-risk agents in the database. See the full comparison matrix for context against all tracked agents.