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Bonus shelf · AI models

ChatGPT and the OpenAI API

OpenAI's assistant for everyday writing, research, analysis and coding, plus the API that lets you build the same GPT models into your own product.

No-codeFree plan
Visit chatgpt.com (opens in a new tab) ↗

Our take Kratuva

Best for
Teams that want one familiar assistant for mixed work, and builders who want the widest range of OpenAI models in one API.
Not for
Teams pasting client data into personal Free or Plus accounts without turning off model training.

Price

From
$8/month(Go, may include ads); Plus $20/month; Pro from $100/month in 3 usage tiers; free plan; Business plans for teams; API from $0.05 per 1M input tokens (gpt-5-nano)
Model
per user per month for ChatGPT plans; pay per token for the API, with Batch at 50% off
Free plan
Yes
Checked
9 Oct 2026

Prices change. Check the vendor page before you buy.

What ChatGPT and the OpenAI API is good at

  • Free, Go, Plus and Pro plans for individuals and a Business workspace for teams, on web, iOS and Android.
  • Business, Enterprise and Edu workspace content is not used to train OpenAI models by default.
  • The API lists models from gpt-5-nano at $0.05 per 1M input tokens up to gpt-6-astra at $10, and Batch jobs cost half the standard rate.

Where ChatGPT and the OpenAI API breaks

  • On Free, Go, Plus and Pro, chats are used to train OpenAI models unless you turn off "Improve the model for everyone"; rating a reply with thumbs up or down can still send that whole conversation to training.
  • API prompts and responses are kept in abuse monitoring logs for up to 30 days by default; Zero Data Retention needs prior approval from OpenAI.
  • Long prompts cost more: on gpt-6 and gpt-5.x models the long context input rate is double the short context rate, and output rises 1.5x.

When a custom build beats ChatGPT and the OpenAI API

When a single repeated task (support replies, document extraction) runs at volume: calling the API directly with a small model and your own prompt usually costs far less than paying seats for people to do it by hand in the chat app.

Setup

No-code. Someone comfortable with spreadsheets can set it up. No code needed.

Sources

  1. chatgpt.com/pricing
  2. help.openai.com/en/articles/7730893-data-controls-faq
  3. developers.openai.com/api/docs/pricing
  4. developers.openai.com/api/docs/guides/your-data

Price checked 9 Oct 2026. If something here is out of date, email indra@kratuva.com and we will fix it.

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Who runs this shop

Kratuva makes AI-first software. Our first product is Ruam, for teams that work apart. It shows how the working day went without screenshots or keystroke logging. Join the Ruam waitlist.

Occasionally we build with teams we like. Say hi: indra@kratuva.com.

Checked 9 Oct 2026

Every price and claim links to its source. Prices change often, so check the vendor's page before you buy. No affiliate links: nobody paid to be here. Logos belong to their owners and are shown only to name each tool, not as an endorsement.