OpenAI

A frontier large language model from OpenAI designed for complex reasoning, long-context understanding, and high-fidelity instruction following. Excels at multi-step problem solving, code generation, and nuanced dialogue. Suitable for advanced agents, analytics, technical writing, and enterprise applications.

A refined general-purpose language model with improved instruction following, reasoning accuracy, and multilingual fluency. Built for reliable performance across diverse tasks including creative writing, technical analysis, coding assistance, and conversational AI.

OpenAI flagship reasoning model with enhanced instruction following, multilingual fluency, and robust tool-use capabilities. Handles long-form conversations, code, structured data, and creative writing with strong coherence. Best for production assistants, RAG pipelines, and complex workflows.

A specialized variant of the GPT-5 family tuned for speed and efficiency. Delivers strong general language performance with lower latency, making it ideal for interactive chat, real-time assistants, and high-throughput serving.

A top-tier general-purpose language model with strong reasoning, coding, and multilingual capabilities. Optimized for complex task decomposition, creative writing, and professional-grade content generation. Suitable for demanding applications requiring high accuracy and nuanced understanding.

A balanced GPT-5 series model optimized for grounded, factual responses and long-context reliability. Well suited to enterprise Q&A, document analysis, summarization, and data-intensive tasks requiring consistency and accuracy.

OpenAI's most capable frontier model, built for complex reasoning, coding, computer use, research, and document creation. Features a 1M-token context window, adjustable reasoning effort from low to max, and state-of-the-art performance on software engineering, cybersecurity, and scientific discovery benchmarks. Ideal for demanding professional workflows, autonomous multi-step task execution, and applications requiring deep planning and judgment.

The ultra-efficient, latency-optimized tier of the GPT-6 family, designed for high-volume workloads and fast interactive applications. Delivers substantial intelligence and coding performance at a fraction of standard inference costs. Ideal for real-time conversational agents, high-throughput data extraction, automated code review, and responsive developer tooling where speed and budget efficiency are paramount.

An advanced general-purpose reasoning model in the GPT-6 family, engineered for demanding professional workflows, complex software engineering, and multi-step agentic tasks. Trained with the breakthrough alignment and reasoning advances of GPT-6 Astra, it delivers state-of-the-art coding, rigorous factuality, and dependable tool use with exceptional cost efficiency. Well-suited for autonomous agents, deep technical analysis, and enterprise-grade problem solving.