OpenAI API Pricing 2026
Complete pricing guide for OpenAI API — rates, costs, and free options.
💰 OpenAI API Pricing Overview
OpenAI API uses a pay-per-use pricing model. Charged by usage at the published rates. Current pricing: Pay-as-you-go. GPT-4o $2.50/$10 per million tokens, GPT-4o mini $0.15/$0.60, o1 models from $15/$60. OpenAI API is a popular coding & development tool known for api access to gpt-4, dall-e, and openai models. You can start using OpenAI API without paying, then pay only for what you use at the rates above.
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🔍 Compare Before You Buy
Comparing OpenAI API to similar tools helps you make the best choice for your budget and needs:
Anthropic API
PaidAPI access to Claude models for developers
Free to start, then pay per use from $3
Compare with OpenAI API →Google AI Studio
FreeGoogle's free IDE for prototyping with Gemini models
Free to use
Compare with OpenAI API →Together AI
FreemiumOpen-source LLM cloud platform — 100+ models, fine-tuning, and dedicated endpoints
Free to start, then pay per use from $0.10
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OpenAI API Rates & Pricing
Pay-as-you-go
GPT-4o
$10 per million tokens
GPT-4o mini
$0.60, o1 models from $15/$60
* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official OpenAI API website for the latest pricing.
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Pay-as-you-go. GPT-4o $2.50/$10 per million tokens, GPT-4o mini $0.15/$0.60, o1 models from $15/$60
Check OpenAI API pricing at the source
The breakdown above is our summary of OpenAI API's published pricing, not a quote. Plans, limits and what each tier includes change without notice — confirm on OpenAI API's own pages before you buy.
Official OpenAI API site ↗We do not represent OpenAI API and these links are not paid placements.
Is OpenAI API Worth It?
OpenAI API is a premium coding & development tool that offers 6 key features including GPT-4 and o1 models, DALL-E image generation, Whisper transcription. Developer platform for accessing GPT-4, DALL-E, Whisper, and other OpenAI models via API. The OpenAI API powers thousands of applications with chat, embedding, image generation, and speech capabilities.
✅ OpenAI API is a good choice if you need:
- •GPT-4 and o1 models
- •DALL-E image generation
- •Whisper transcription
- •Embeddings
- •Function calling
💡 Value Assessment
OpenAI API charges by usage, so what you spend scales with how much coding & development work you put through it. You can try it without paying before committing any money. Compare the rates above against your expected volume.
OpenAI API Key Features
OpenAI API comes packed with features that make it a strong contender in the coding & development space. Here's what you get:
GPT-4 and o1 models helps you work more efficiently with OpenAI API.
Powered by advanced AI models, OpenAI API delivers intelligent image generation capabilities.
Whisper transcription helps you work more efficiently with OpenAI API.
Embeddings helps you work more efficiently with OpenAI API.
Function calling helps you work more efficiently with OpenAI API.
Fine-tuning helps you work more efficiently with OpenAI API.
OpenAI API Alternatives & Their Pricing
Considering alternatives to OpenAI API? Here's how competing tools compare on pricing:
Anthropic API
PaidAPI access to Claude models for developers
Pricing: Pay-as-you-go. Claude Sonnet $3/$15 per million tokens (input/output), Opus $15/$75, Haiku $0.25/$1.25
Google AI Studio
FreeGoogle's free IDE for prototyping with Gemini models
Pricing: Free to use. API usage via Google AI has generous free tier, then pay-as-you-go
Together AI
FreemiumOpen-source LLM cloud platform — 100+ models, fine-tuning, and dedicated endpoints
Pricing: Free $25 credit. Pay-as-you-go from $0.10/1M tokens. Enterprise custom.
Ready to try OpenAI API?
Visit the official website for the latest pricing and to get started.
Frequently Asked Questions
Is OpenAI API free to use?
Yes, you can start using OpenAI API without paying. After that it charges by usage, so you pay only for what you use.
How much does OpenAI API cost in 2026?
As of 2026, OpenAI API pricing is: Pay-as-you-go. GPT-4o $2.50/$10 per million tokens, GPT-4o mini $0.15/$0.60, o1 models from $15/$60. Visit the official OpenAI API website for the most current pricing.
What are the best alternatives to OpenAI API?
Popular alternatives to OpenAI API include Anthropic API, Google AI Studio, Together AI. Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.
Is OpenAI API worth the price?
OpenAI API is well-regarded in the coding space, offering features like GPT-4 and o1 models, DALL-E image generation, Whisper transcription. Whether it's worth the investment depends on your specific needs, usage volume, and budget. It charges by usage, so cost scales with how much you use it, and you can try it before paying.
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