OpenAI
GPT models plus audio, images and embeddings on one bill
Logo assets
OpenAI brand colours
Extracted from the artwork and ranked by how much of the mark each covers — not from a brand book, so treat them as observed rather than official.
What OpenAI is
The broadest first-party surface in the category: text, reasoning, realtime audio, image generation, embeddings, moderation and a hosted agent runtime, all under one key. The Responses API is the current front door and carries most of the agentic features. OpenAI's request format is also the category's lingua franca — almost every competitor and router ships a compatibility endpoint that imitates it.
Recent changes
- 2025-08-05OpenAI releases open-weight gpt-oss models
gpt-oss-120b and gpt-oss-20b shipped under Apache 2.0, OpenAI's first open weights since GPT-2. Both landed on Groq, Together, Fireworks and Cerebras within days, and reset expectations that the frontier labs would keep everything closed.