Power Your Social Content with ChatGPT & GPT-4o
Connect your OpenAI account to use GPT-4o directly in PublishKit's content generation pipeline — for smarter captions, ad copy, and campaign content.
Connect ChatGPTSupported content types
What you can do with ChatGPT (OpenAI)
PublishKit connects directly to ChatGPT (OpenAI)'s API so you can automate everything.
GPT-4o content generation
Use the latest GPT-4o model to write captions, hooks, ad copy, and long-form content.
Custom system prompts
Define your brand voice, tone, and style with custom system prompts for consistent output.
Multi-format generation
Generate content tailored to each platform — short for Twitter, professional for LinkedIn, casual for TikTok.
AI content variations
Generate 3–10 variations of any post and pick the best one for A/B testing.
AI workflow automation
Trigger AI content generation automatically when you add items to your content queue.
Bring your own API key
Use your own OpenAI API key to control costs and stay on your preferred OpenAI plan.
Connect in minutes
No developer experience required.
Add your OpenAI API key
Paste your OpenAI API key into PublishKit settings. It's encrypted and never shared.
Configure your AI profile
Set your brand tone, target audience, and content preferences for AI-generated output.
Generate & publish
Use AI generation throughout your workflow — captions, hooks, hashtags, and full posts.
Frequently asked questions
Do I need my own OpenAI account?
You can use PublishKit's built-in AI credits, or bring your own OpenAI API key for direct GPT-4o access.
Which GPT model does PublishKit use?
By default we use GPT-4o. With your own API key you can select any available OpenAI model.
Start publishing to ChatGPT (OpenAI) today
Join thousands of creators and businesses using PublishKit to automate their ChatGPT (OpenAI) presence.
Connect ChatGPT