OpenAI Models

OpenAI's most capable frontier model unifying reasoning, coding, and agentic computer use in a single system

OpenAI's most capable agentic coding model for complex multi-file development tasks

OpenAI's specialized coding model for Codex agent, tuned for long-horizon multi-file work

Ultra-fast variant of GPT-5.3-Codex optimized for rapid iteration and quick coding tasks

OpenAI's smartest model with breakthrough benchmark performance - first model above 90% on ARC-AGI

OpenAI's unified intelligence model combining advanced reasoning with multimodal capabilities

OpenAI's first open-weight reasoning model for teams wanting to run and customize models on their own infrastructure

OpenAI's efficient open-weight reasoning model for resource-constrained deployments

OpenAI's most powerful reasoning model designed to think longer and provide the most reliable responses

OpenAI's next-generation reasoning model with breakthrough capabilities

OpenAI's most advanced small reasoning model, best-performing on AIME 2024 and 2025

OpenAI's developer-focused model with extended context capabilities and superior coding performance

OpenAI's efficient mid-size model with 1M token context at a fraction of GPT-4.1 cost

OpenAI's first nano-class model optimized for ultra-low-latency classification and autocompletion

OpenAI's cost-efficient reasoning model available on free tier with strong STEM performance

OpenAI's full reasoning model with advanced problem-solving capabilities

OpenAI's advanced reasoning model trained with reinforcement learning

OpenAI's efficient mini reasoning model optimized for STEM tasks

OpenAI's efficient small model with strong performance

OpenAI's omni-modal flagship model with native multimodal capabilities

OpenAI's latest and most efficient GPT-4 variant

OpenAI's breakthrough multimodal large language model

OpenAI's optimized and cost-effective conversational model