Generative AI & Automation

OpenAI API

The most widely adopted AI API — GPT-4o, embeddings, image generation, and speech.

4.7
4,800 reviews
Starter
Pricing Tier
Medium
Learning Curve
1–5 days
Implementation
small, medium, large, enterprise
Best For
Visit website ↗🔖 Save to StackAsk AI about this tool
Use when

Developers building AI products who want the largest ecosystem, most tutorials, and most third-party tooling. Best for multi-modal applications.

Avoid when

Applications requiring the longest context window — Claude handles 200K tokens vs. GPT-4o's 128K.

What is OpenAI API?

OpenAI API powers the largest ecosystem of AI applications. GPT-4o is the multi-modal flagship model. The API supports text, image analysis, image generation (DALL-E 3), speech-to-text, text-to-speech, and fine-tuning. The largest developer community and most mature tooling.

Key features

GPT-4o multi-modal model
DALL-E 3 image generation
Whisper speech-to-text
Assistants API with file handling
Fine-tuning capability

Integrations

Microsoft AzureZapierLangChain

Third-party ratings

G2
4.7· 4,800 reviews
💰 Real-world pricing

What people actually pay

No price data yet — be the first to share

Sign in to share

No price data yet for OpenAI API. Help the community — share what you pay (anonymized).

User Reviews

Be the first to review this tool

Sign in to review