OpenAI: Codex Mini

OpenAI: Codex Mini, a fine-tuned version of o4-mini for Codex CLI, demonstrates moderate speed performance, ranking in the 38th percentile across benchmarks. Its pricing is positioned at premium levels, falling into the 9th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate with minimal technical failures. The model exhibits strong performance in several key areas. It achieves perfect accuracy in both Ethics and Reasoning benchmarks, with the latter also being the most accurate model at its price point and speed. General Knowledge is also a strength, with 99.5% accuracy. Furthermore, it shows high proficiency in Instruction Following (91st percentile), Mathematics (86th percentile), and Coding (94th percentile). A notable weakness is its performance in the Hallucinations benchmark, where it scored only 54.0% accuracy, indicating a tendency to provide answers rather than acknowledge uncertainty for fictional concepts. Email Classification is solid at 98.0% accuracy.