Head to head
Cline vs GPT-5.6-Sol
Comparing 8 documented Cline incidents against 3 for GPT-5.6-Sol.
Verdict
Cline has the lower average failure severity (5.7/10 vs 9.0/10), making it the statistically safer choice of the two — though both agents have documented critical incidents.
| Metric | Cline | GPT-5.6-Sol |
|---|---|---|
| Documented incidents | 8 | 3 |
| Average severity | 5.7 | 9.0 |
| Critical | 1 | 2 |
| High | 1 | 1 |
| Verified | 8 | 2 |
Severity at a glance
Cline
5.7
medium
GPT-5.6-Sol
9.0
critical
Failure modes
ClineDistribution of failure modes across all documented incidents.
GPT-5.6-SolDistribution of failure modes across all documented incidents.
The incidents behind these numbers
Cline
10.0Clinejection: an AI issue-triage workflow enabled arbitrary code execution on the CI runner7.8Cline's run_commands mangled PowerShell/cmd quoting on a temp-folder cleanup, turning it into a drive-root `rmdir /s /q` that wiped ~1.5TB of a user's photos, videos, and documents (GitHub #14864)5.8Cline's hub daemon silently reverted workspace files to stale state, repeatedly erasing a gitignored .env.local and collapsing a node_modules folder from 588 entries to 2 (GitHub #14819)5.8Cline's tool-call JSON repair silently executed truncated write_file and terminal arguments as valid4.8Cline sessions marked "failed" kept burning tokens for 20+ hours, and FREE-labeled models billed credits anyway
GPT-5.6-Sol
10.0GPT-5.6-Sol 'accidentally deleted almost ALL' of a tester's Mac files during OpenAI's Ultra mode trial9.0GPT-5.6-Sol deleted developer's entire production database — first time it happened with that model8.0OpenAI Codex running GPT-5.6-Sol deleted roughly 221 GB from a developer's home directory across several concurrent auto-approved sessions, with no sandbox denial logged for whatever performed the deletion (GitHub #42875)