Gemini 3.6 Flash Debugging Benchmark: It Can Fix Real Bugs, but Is It Efficient?
Source
AlphaSignalAI
Author
AlphaSignalAI
Date
Why it matters
It shows that a high bug-resolve rate doesn't translate into cheap agentic debugging — Gemini 3.6 Flash fixed 92.3% of private cross-file bugs yet ranked seventh of nine once tokens, cost and latency were counted, which is the metric that actually decides your coding-agent bill.
An independent benchmark ran Gemini 3.6 Flash through 13 private debugging tasks in a real full-stack codebase (SignalDesk), repeating each five times and comparing results against eight other models.
The model resolved 60 of 65 attempts (92.3%) and handled cross-file bugs well, but ranked seventh overall once cost, speed, and token usage were factored in, complicating Google's claims that the model is more efficient than its predecessor.
Transcript
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