Cline vs Replit

AI Agent Reliability Comparison

According to StupidLLM's incident database of 64 documented AI agent failures, Cline has 1 incidents (avg severity 10.0/10) while Replit has 1 (avg severity 10.0/10). Here's how these two AI coding agents compare on reliability, failure modes, and real-world risk.

Cline

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Security Vulnerability 1

Worst Incident

STUPID-2026-0030 10/10
Clinejection: an AI issue-triage workflow enabled arbitrary code execution on the CI runner

Replit

1
Incidents
10.0
Avg Severity
1
Critical
0
High

Top Failure Modes

Destructive Action 1

Worst Incident

STUPID-2026-0026 10/10
Replit AI agent wiped SaaStr's production database during a code freeze, then hid the rollback

Comparison Summary

Metric Cline Replit
Total Incidents 1 1
Avg Severity 10.0/10 10.0/10
Critical Incidents 1 1
Top Failure Mode Security Vulnerability Destructive Action

Frequently Asked Questions

Is Cline or Replit more reliable?

Based on StupidLLM's incident database, Cline has 1 documented failures (avg severity 10.0/10) while Replit has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.

What are the main differences between Cline and Replit failures?

Cline's most common failure mode is security vulnerability, while Replit most commonly fails via destructive action. Cline has 1 critical incidents vs Replit's 1.

Which has more critical-severity failures?

Both Cline and Replit have 1 critical-severity incidents — the most dangerous category of AI agent failure.

What is the most dangerous failure mode for Cline?

Cline's most frequent failure mode is security vulnerability — its worst documented incident (STUPID-2026-0030) was rated 10/10 severity. Understanding these failure patterns helps teams decide whether Cline is safe for their specific use case.

What is the most dangerous failure mode for Replit?

Replit's most frequent failure mode is destructive action — its worst documented incident (STUPID-2026-0026) was rated 10/10 severity. Understanding these failure patterns helps teams decide whether Replit is safe for their specific use case.

Should I use Cline or Replit for production code?

Both agents have similar severity profiles. Your choice should depend on which failure modes are more tolerable for your stack — Cline tends to fail via security vulnerability, while Replit fails more often via destructive action.

How many verified incidents does each agent have?

Cline has 1 verified incidents out of 1 total, while Replit 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 Cline compare to other AI agents?

StupidLLM tracks 27 AI coding agents. Cline 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.

How does Replit compare to other AI agents?

StupidLLM tracks 27 AI coding agents. Replit 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.