Api Platform Paid Only

OpenAI API

OpenAI API provides access to a suite of advanced AI models for developers to integrate cutting-edge language, vision, and audio capabilities into their applications.

9/10 MegaOne Score
Visit OpenAI API →
Price $0.04/mo
Category Api Platform
Model Paid Only
Company OpenAI
Team Size 6,400
Total Funding $122.0B
About OpenAI API

The OpenAI API offers developers access to its latest frontier models, including GPT-5.5, GPT-5.4 mini, and GPT-5.4 nano, for complex reasoning, coding, and high-volume tasks. It supports multimodal inputs like text and images, and generates text outputs, with new Realtime models enabling streaming speech-to-speech, translation, and transcription. The API is designed for flexible integration, allowing for custom applications across various domains.

Why We Scored It 9/10
9/10

OpenAI API maintains its leadership position with the latest GPT-5.5 model launched May 2026, achieving the fastest API adoption in company history with Codex API revenue doubling in 7 days. Despite low Trustpilot ratings, its 15.9M monthly traffic, $122B funding, and market-defining impact across the AI ecosystem solidify its top-tier status.

Features & Platform
OpenAI API Coverage
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