AnalysisAI ModelsSeptember 14, 2026

GPT-5.6 Luna vs GPT-6 Astra: Is a $1.20 Model Good Enough for Code Review?

Across 50 benchmark PRs, GPT-5.6 Luna found 69 verified bugs for $0.20 total; GPT-6 Astra found 92 for $5.66. Luna's findings failed verification 24 of 93 times vs Astra's 4 of 96, and it caught 9 of 24 security bugs to Astra's 19.

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