OpenAI
OpenAI is an AI research and deployment company that develops model, developer, and coding products including the Codex product family.
Company details
- Type
- Private
- Founded
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- Founders
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- Headquarters
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Model families
Models
GPT-5.6 Luna
GPT-5.6 Luna is OpenAI's cost-optimized GPT-5.6 model for high-volume workloads, with a 1.05-million-token context window and up to 128K output tokens.
GPT-5.6 Sol
GPT-5.6 Sol is OpenAI's flagship GPT-5.6 model for complex professional work, with a 1.05-million-token context window and up to 128K output tokens.
GPT-5.6 Terra
GPT-5.6 Terra is an OpenAI model designed to balance capability and cost, with a 1.05-million-token context window and up to 128K output tokens.
GPT-6 Astra
GPT-6 Astra is OpenAI's flagship API model for complex reasoning, coding, computer use, research, and other tool-heavy professional workflows.
GPT-6 Luna
GPT-6 Luna is OpenAI's most efficient GPT-6 model for focused, high-volume workloads, with a 1.05M-token context window and up to 128K output tokens.
GPT-6 Sol
GPT-6 Sol is an OpenAI reasoning model for complex coding and agentic workflows, retained as the original Sol release alongside the newer GPT-6.1 Sol.
GPT-6.1 Sol
GPT-6.1 Sol is an OpenAI model positioned below Astra on price while retaining support for complex coding, computer use, reasoning, and tool-based workflows.
gpt-oss-120b
gpt-oss-120b is OpenAI's 117B-parameter open-weight reasoning model for agentic and coding workloads, released under the Apache 2.0 license.