OpenAI
openai.com › api › pricing
API Pricing
No, OpenAI APIs are billed separately from ChatGPT Plus, Business, Enterprise and Edu. ChatGPT subscription pricing can be found at ... Images are converted into tokens and charged per token. Text models price image tokens at standard text token rates, while GPT Image and gpt-realtime uses a separate image token rate.
ThemeIsle
themeisle.com › blog › calculate real chatgpt api cost for gpt-5, o3-mini, and others (data for 2025)
Calculate Real ChatGPT API Cost for GPT-5, o3-mini, and Others (Data for 2025)
August 22, 2025 - 💡 Now here’s the kicker, if you’d switch to the cheaper gpt-5-mini model then the costs become basically $0. That gpt-5-mini is 1/5 the price of the main gpt-5. If you’re working on any kind of AI chatbot, or integrating a third-party one with your site/app, then you will naturally have to pay for all that communication. To integrate ChatGPT into chatbot platforms, developers are supposed to set up API calls between their application and OpenAI’s servers.
API vs 20$/month subscription for those who use ChatGPT as an assistant (webmasters, programmers, SEO specialists...)
Hello, for those who have switched to the Chat GPT API from 20$/month subscription, please share: How beneficial was it for you? Did all those freezes that were constantly present in the $20 version stop when You use API? How easy was it to do everything technically? More on community.openai.com
GPT-4.5 has an API price of $75/1M input and $150/1M output. ChatGPT Plus users are going to get 5 queries per month with this level of pricing.
This is the the kind of pricing you'd offer for something you didn't really want people using. More on reddit.com
Most people don't use ChatGPT enough to justify the $20 subscription
Useful point, also you have a little more control as the custom instructions are configurable per conversation. I do like using code interpreter though, I would miss that! More on reddit.com
Chat vs API (cost)
Best is to test it out. Because it depends on how intensive your use is. I’ve personally just switched to API so I can use Open WebUI which is open source and adds many extra features like prompt preset with dynamic variables (so convenient when you need to ask again a similar question the next day!). I will see after a few months how much it costs or saves me vs the current 20$ monthly. More on reddit.com
Videos
01:43
Cost Breakdown: API vs. ChatGPT Pricing #substack #shorts - YouTube
00:56
The cost of ChatGPT API usage 💰 - YouTube
18:18
OpenAI's Official ChatGPT API and Whisper API - Pricing & Access ...
29:11
GPT-5 for Developers: API Changes, Pricing, Model Router & Security ...
12:23
I Built an AI-Powered SaaS: How Much Does the ChatGPT API ...
Reddit
reddit.com › r/webdev › eli5: understanding openai's api pricing when it comes to tokens
r/webdev on Reddit: ELI5: understanding OpenAI's API pricing when it comes to tokens
April 9, 2025 -
Hello, I’m having a hard time figuring out how many tokens I would need if I’m building a simple web app that uses a chatbot through the OpenAI API. There are a lot of models available, and I’m not really sure which one to use. The app I’m building is a school project, so I don’t expect many people to use it.
Essentially, the idea is that users would ask the app specific questions, and if they tell the chat to “save” the response, it would call a function to store it.
Also, if I’m testing the responses, would that use up tokens? Or is there a free way to test responses from the API?
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Don't know how I ended up on this thread but tokens are basically chunks of text, roughly 4 characters each. So if your chatbot gets a 100 word question and sends back a 100 word answer that's roughly 400 tokens total, multiply that by however many conversations happen. For a school project you'd probably be fine with the cheaper models like GPT-4o mini, maybe budget like $5-10 for testing. Testing does use tokens yeah, there's no free sandbox unfortunately.
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You can count your tokens with JS or Python without incurring cost: https://platform.openai.com/tokenizer API is quite cheap for a couple of small prompts, especially if you choose your model right, but not free. The only free way to test it would be to use the API with a free endpoint, e.g. using a self-hosted llama or something.
GPT for Work
gptforwork.com › tools › openai-chatgpt-api-pricing-calculator
OpenAI API Pricing Calculator | GPT for Work
Estimate the cost of using various AI APIs such as OpenAI, Anthropic, Deepseek, Gemini, Mistral with this pricing calculator.
Published October 15, 2025
OpenAI
openai.com › chatgpt › pricing
ChatGPT Pricing | OpenAI
Larger nonprofits ready for large-scale deployment can contact our sales team to access a 25% discount on ChatGPT Enterprise.
Moesif
moesif.com › blog › api-monetization › api-strategy › ChatGPT-API-Pricing
ChatGPT API Pricing (Cost): Everything You Need to Know | Moesif Blog
November 27, 2023 - The pricing model offers a pay-per-volume, usage based approach to billing; it considers the number of requests made to the API, and users are billed accordingly. This reflects the computational resources required to process and respond to each API call, directly impacting the overall cost. ChatGPT also varies the price of API usage based on which large language model is being used.
YouTube
youtube.com › watch
How Much Does ChatGPT API Cost? - YouTube
OpenAI's API pricing system for tools like ChatGPT models can be challenging to understand. Prices vary based on factors like model-type and token count. Tog...
Published July 16, 2025
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OpenAI
platform.openai.com › pricing
API Pricing
Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform.