Is GPT-5.6-Sol reliable?

Based on 3 documented incidents, GPT-5.6-Sol has an average failure severity of 9.0/10. 2 incidents were rated critical and 1 were rated high severity.

What are the most common GPT-5.6-Sol failures?

The most common failure mode is destructive action. GPT-5.6-Sol has 2 critical incidents.

How many GPT-5.6-Sol AI failures have been documented?

StupidLLM has documented 3 GPT-5.6-Sol AI agent failures. Each incident is severity-scored on a 0-10 scale and verified against source evidence.

Agent report

GPT-5.6-Sol failures

3 documented incidents, average severity 9.0/10. Most common failure mode: destructive action.

n = 3

Incidents

9.0

Avg severity

Critical

Verified

Severity breakdown

Stacked severity breakdown per agent. Longer bar = more incidents.

Failure modes

Distribution of failure modes across all documented incidents.

Worst documented incident

10.0

critical

GPT-5.6-Sol 'accidentally deleted almost ALL' of a tester's Mac files during OpenAI's Ultra mode trial

All 3 incidents

STUPID-2026-0044

10.0

GPT-5.6-Sol 'accidentally deleted almost ALL' of a tester's Mac files during OpenAI's Ultra mode trial STUPID-2026-0065

9.0

GPT-5.6-Sol deleted developer's entire production database — first time it happened with that model STUPID-2026-0110

8.0

OpenAI 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)