OpenAI
frontierUS · Founded 2015
The lab that shipped ChatGPT. Makes GPT-5 and the o-series.
OpenAI is the most commercially successful AI lab in history and the one that made the frontier model market legible to the public. ChatGPT's launch in November 2022 was the decisive consumer moment. The lab's research breadth covers language, reasoning, image generation, audio, and robotics.
Main models
- GPT-5
- GPT-4o
- o3
- Sora
- Whisper
Strengths
- Market position
- API ecosystem
- Reasoning models
- Consumer products
Pricing
$0.15–$40 per million tokens depending on model and reasoning effort