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OpenAI is an AI research and deployment company. It is known for developing large language models like GPT-3 and GPT-4, as well as generative AI models for images (DALL-E) and speech (Whisper). OpenAI offers its models through an API and consumer-facing applications like ChatGPT.

9

Products

2015

Founded

$156.9B

Total Raised

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About ChatGPT

OpenAI is an AI research and deployment company. It is known for developing large language models like GPT-3 and GPT-4, as well as generative AI models for images (DALL-E) and speech (Whisper). OpenAI offers its models through an API and consumer-facing applications like ChatGPT.

ChatGPT offers ChatGPT, OpenAI API, GPT-5.4 mini and nano and 3 more products.

Products by ChatGPT

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ChatGPT in the News

Funding History

Total raised: $156.9B across 4 rounds

Series F$110.0Bat $730.0B valuationFeb 2026
Lead: Amazon
Series E$40.0Bat $300.0B valuationMar 2025
Lead: SoftBank·Microsoft,Coatue,Altimeter,Thrive
Series D$6.6Bat $157.0B valuationOct 2024
Lead: Thrive Capital·Microsoft,Nvidia,SoftBank,Khosla Ventures,Altimeter Capital,Fidelity,MGX
Series C$300Mat $29.0B valuationApr 2023
Lead: Sequoia Capital·Founders Fund

ChatGPT: Frequently Asked Questions

What does ChatGPT do?

OpenAI is an AI research and deployment company. It is known for developing large language models like GPT-3 and GPT-4, as well as generative AI models for images (DALL-E) and speech (Whisper). OpenAI offers its models through an API and consumer-facing applications like ChatGPT.

When was ChatGPT founded?

ChatGPT was founded in 2015.

How much funding has ChatGPT raised?

ChatGPT has raised $156.9B in total disclosed funding across 4 rounds. Its most recent round was a Series F round in Feb 2026.

Who are ChatGPT's investors?

Investors backing ChatGPT include Amazon, Nvidia, SoftBank, Thrive Capital, Sequoia Capital, Andreessen Horowitz.