GPT for Gmail vs OpenAI API
A side-by-side comparison of GPT for Gmail and OpenAI API — pricing, license, deployment, and where each tool wins.
GPT for Gmail
workspace.google.com
AI email assistant for Gmail.
OpenAI API
openai.com
OpenAI's API provides access to GPT-4 and GPT-5 models, which performs a wide variety of natural language tasks, and Codex, which translates natural language to code.
| Feature | GPT for Gmail | OpenAI API |
|---|---|---|
| Pricing | Freemium | Freemium |
| Model | Freemium | Freemium |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Category | Text & Writing | Text & Writing |
| Self-hosted | ✕No | ✕No |
| Free tier | ✓Yes | ✓Yes |
Pick GPT for Gmail if…
- ✓You prefer GPT for Gmail's feature set or ecosystem fit.
Pick OpenAI API if…
- ✓You prefer OpenAI API's feature set or ecosystem fit.