Model Selection
Usage Parameters
Estimated Monthly Cost
*Estimates based on current OpenAI API pricing. Actual costs may vary.
Complete Guide to OpenAI API Costs
OpenAI's pricing model is the industry standard, but it can be complex to navigate. Whether you're building AI Chatbots or enterprise automation workflows, understanding your potential spend is the first step to ROI.
Key Takeaways
- ●GPT-4o mini is the most cost-effective model for high-volume tasks.
- ●GPT-4o is the flagship model for complex reasoning and multimodal inputs.
- ●Batch API can save you 50% on costs for non-urgent workloads.
OpenAI API Pricing Overview
| Model | Input Price ($/1M) | Output Price ($/1M) | Cached Input ($/1M) |
|---|---|---|---|
| Chat / Completion Models | |||
| GPT-5 | $1.25 | $10.00 | - |
| GPT-5 Mini | $0.25 | $2.00 | - |
| GPT-5 Nano | $0.05 | $0.40 | - |
| GPT-4o | $5.00 | $20.00 | $2.50 |
| GPT-4o mini | $0.15 | $0.60 | $0.075 |
| Audio Models | |||
| Whisper (Speech to Text) | $0.006 / min | $- | - |
| TTS (Text to Speech) | $15.00 / 1M chars | $- | - |
| TTS HD | $30.00 / 1M chars | $- | - |
| Fine-tuning Models | |||
| GPT-4o Fine-tuning | $3.75 | $15.00 | - |
| GPT-4o mini Fine-tuning | $0.30 | $1.20 | - |
| GPT-3.5 Turbo Fine-tuning | $3.00 | $6.00 | - |
| Embedding Models | |||
| text-embedding-3-small | $0.02 | $- | - |
| text-embedding-3-large | $0.13 | $- | - |
| ada v2 | $0.10 | $- | - |
GPT-4o: The Flagship Model
GPT-4o is OpenAI's most advanced model, offering multimodal capabilities (text, audio, image) and faster performance. It's ideal for complex tasks that require high intelligence.
GPT-4o mini: Cost-Effective Intelligence
GPT-4o mini is designed for speed and efficiency. It's significantly cheaper than GPT-3.5 Turbo while offering better performance, making it perfect for high-volume applications like AI Email Assistants.
OpenAI API Pricing FAQs
Got questions? We've got answers. Here are the most common questions we get from potential clients.