Is Gemini CLI or GPT-5.6-Sol more reliable?

Based on StupidLLM's incident database, Gemini CLI has 4 documented failures (avg severity 9.4/10) while GPT-5.6-Sol has 3 (avg severity 9.0/10). GPT-5.6-Sol shows better reliability.

What are the main differences between Gemini CLI and GPT-5.6-Sol failures?

Gemini CLI's most common failure mode is Destructive Action, while GPT-5.6-Sol most commonly fails via Destructive Action. Gemini CLI has 3 critical incidents vs GPT-5.6-Sol's 2.

Which has more critical-severity failures?

Gemini CLI has more critical failures (3 vs 2), indicating a higher likelihood of severe, production-impacting incidents.

Should I use Gemini CLI or GPT-5.6-Sol for production code?

GPT-5.6-Sol has a lower average failure severity (9.0/10 vs 9.4/10), 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?

Gemini CLI has 4 verified incidents out of 4 total, while GPT-5.6-Sol has 2 verified out of 3. Verified incidents are confirmed against source evidence.

Head to head

Gemini CLI vs GPT-5.6-Sol

Comparing 4 documented Gemini CLI incidents against 3 for GPT-5.6-Sol.

Full Gemini CLIreport →Full GPT-5.6-Solreport →

Verdict

GPT-5.6-Sol has the lower average failure severity (9.0/10 vs 9.4/10), making it the statistically safer choice of the two — though both agents have documented critical incidents.