OpenAI, Inc. is an American artificial intelligence organization founded in December 2015 and headquartered in San Francisco, California. It aims to develop "safe and beneficial" artificial general intelligence, which it defines as "highly autonomous systems that outperform humans at most economically valuable work".


OpenAI LLC

o4-mini-2025-04-16 is OpenAI's efficient reasoning model released on April 16, 2025, serving as the flagship "mini" variant in the o4 series. It represents a significant advancement in cost-effective AI reasoning capabilities with the following key features:<ul><li>Advanced Reasoning Power: A sophisticated reasoning model that excels in mathematics, coding, and scientific analysis. The model demonstrates expert-level problem-solving abilities across multiple disciplines.</li><li>Agentic Tool Integration: For the first time among reasoning models, o4-mini can agentically use and combine every tool within ChatGPT—including web browsing, Python execution, file analysis, image generation, and visual reasoning—trained to determine when and how to use tools for complex problem-solving.</li><li>Cost-Effectiveness and Speed: Priced at $1.10 per million input tokens and $4.40 per million output tokens (nearly 10x cheaper than o3), with faster response times and higher throughput, making it suitable for production environments and high-volume applications.</li></ul> As with all other language models from OpenAI, this model was not specifically trained on specialized legal data. Therefore, o4-mini-2025-04-16 frequently lacks certain specialized legal knowledge, jurisprudential reasoning capabilities, and familiarity with jurisdiction-specific legal frameworks. The model cannot provide tailored legal advice without review by a qualified professional. While o4-mini demonstrates exceptional reasoning abilities in mathematics and science, legal practitioners should exercise caution when using the model for legal analysis, as it may lack understanding of complex legal precedents, statutory interpretations, and procedural requirements that are fundamental to accurate legal reasoning.

o4-mini-2025-04-16 is OpenAI's efficient reasoning model released on April 16, 2025, serving as the flagship "mini" variant in the o4 series