OpenAI: GPT-5.4 Mini

OpenAI's GPT-5.4 Mini, released on March 17, 2026, is a highly efficient model designed for high-throughput production environments. It consistently ranks among the fastest models, achieving the 93rd percentile across 8 benchmarks, and offers competitive pricing, placing in the 46th percentile. The model demonstrates exceptional reliability with a 100% success rate across all evaluated benchmarks, indicating minimal technical failures and consistent response delivery. GPT-5.4 Mini exhibits strong performance across various categories. It achieves perfect accuracy in Ethics and high accuracy in General Knowledge (99.0%) and Email Classification (98.0%). Its coding capabilities are notable, with 87.0% accuracy, making it the most accurate among models of comparable speed in this domain. Instruction Following is solid at 76.0% accuracy, and it shows strong performance in Reasoning (74.0%). While its Mathematics accuracy is 83.0%, it also stands out as the most accurate among models of similar speed. The model's ability to acknowledge uncertainty is good, with a 96.0% accuracy in Hallucinations, indicating a low propensity for generating fabricated information. Its key strengths lie in its speed, reliability, and strong performance in ethics, general knowledge, and coding, making it well-suited for applications requiring a balance of capability and efficiency.