Model Catalog

OpenAI's newest frontier reasoning model for the most complex coding and professional work, with text and image input and configurable reasoning effort.

Highest-compute variant of GPT-5.5 that thinks harder to deliver consistently better answers on the hardest professional tasks.

Affordable frontier reasoning model for complex coding and professional tasks with text and image input.

OpenAI's strongest mini model for coding, computer use, and subagents at lower cost.

OpenAI's cheapest GPT-5-class reasoning model for simple, high-volume tasks with text and image input.

Higher-compute variant of GPT-5.4 for more reliable answers on demanding professional tasks.

Reasoning model for realtime voice interactions with stronger instruction following and reliable tool use for voice-agent workflows.

Default realtime voice model for natural two-way audio conversations, voice agents, and customer support.

Streaming speech-to-speech translation model for live multilingual audio, priced per minute of audio.

Streaming speech-to-text model for low-latency realtime transcription, priced per minute of audio.

Speech-to-text model powered by GPT-4o with improved word error rate and language recognition over original Whisper.

Lighter, lower-cost speech-to-text model for high-volume transcription.

State-of-the-art image generation and editing model accepting text and high-fidelity image inputs.

Video generation model priced per second of generated video.

Higher-quality video generation model priced per second of generated video.

OpenAI's most capable embedding model for English and non-English text retrieval and similarity tasks.

Cost-efficient embedding model for text retrieval and similarity at high volume.

OpenAI's open-weight 120-billion-parameter model available on Amazon Bedrock for reasoning and coding workloads.