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OpenAI API

OpenAI API provides access to various AI models, including services for speech-to-text and text-to-speech.

shipped Aug 14, 2026freemium
Domain rating93Monthly visits13.8M/mo
OpenAI API - AI tool hero image

Why it matters

1ai

About OpenAI API

Business Model
Usage-Based (Pay Per Use)
Usage Pricing
$0.20 - $5.00 per 1M tokens per token
Headquarters
San Francisco, USA
Founded
2015
Team Size
51-200
Funding
Series D
Total Raised
$1 billion
Platforms
Web, API
Target Audience
Developers, businesses, and researchers

Pricing Plans

GPT-5.6 Sol
$5.00 per 1M tokens / per-request
  • Input: $5.00 per 1M tokens
  • Output: $30.00 per 1M tokens
  • 1.05M context length
  • 128K max output tokens
GPT-5.6 Terra
$2.00 per 1M tokens / per-request
  • Input: $2.00 per 1M tokens
  • Output: $12.00 per 1M tokens
  • 1.05M context length
  • 128K max output tokens
GPT-5.6 Luna
$0.20 per 1M tokens / per-request
  • Input: $0.20 per 1M tokens
  • Output: $1.20 per 1M tokens
  • 1.05M context length
  • 128K max output tokens

Cost Examples

  • Generate 1M tokens with GPT-5.6 Luna: ~$0.20
  • Generate 1M tokens with GPT-5.6 Sol: ~$5.00

Leadership

Elon MuskCo-Founder
Sam AltmanCo-FounderLinkedIn
Greg BrockmanCo-FounderLinkedIn
Ilya SutskeverCo-Founder
John SchulmanCo-Founder

Investors

Microsoft, Y Combinator, Peter Thiel, Founders Fund

Specs

API Available

Yes, public API

overview

Overview

OpenAI API provides access to various AI models, including services for speech-to-text and text-to-speech.

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