AI Tool WatchCan ChatGPT Connect to External Systems?
Yes — requires a paid plan
Agent Mode
ChatGPT's Agent Mode lets it browse the web and take actions on your behalf. It's available on **Plus ($20/mo) and higher**—the new $8 Go plan does NOT include it. Plus gives you 40 agent tasks per month; Pro gives you 400. **Now available in EEA**—basic agent tasks rolled out to Europe in late July 2025; some Connector features remain restricted.
| Plan | Available | Notes |
|---|---|---|
| Free | ✗ | |
| Go | ✗ | |
| Plus | ✓ | |
| Pro | ✓ | |
| Team | ✓ | |
| Enterprise | ✓ |
Available on: Windows macOS iOS Android web API
Verified: 2026-03-20
Sources: https://help.openai.com/en/articles/11752874-chatgpt-agent, https://help.openai.com/en/articles/11794368-chatgpt-agent-release-notes, https://openai.com/index/introducing-chatgpt-agent/
Codex Security
Codex Security is OpenAI's AI security agent—it connects to your GitHub repos, builds a codebase-specific threat model, validates vulnerabilities in sandboxed environments, and generates fix PRs. **Requires Pro ($200/mo), Enterprise, Business, or Edu**—not available on Plus or lower. Launched March 6, 2026 as a research preview with free usage for the first month.
| Plan | Available | Notes |
|---|---|---|
| Free | ✗ | |
| Go | ✗ | |
| Plus | ✗ | |
| Pro | ✓ | |
| Team | ✗ | |
| Enterprise | ✓ | |
| Business | ✓ | |
| Edu | ✓ |
Available on: Windows macOS web
Verified: 2026-03-15
Sources: https://openai.com/index/codex-security-now-in-research-preview/, https://help.openai.com/en/articles/20001107-codex-security
Custom GPTs + Actions
Custom GPTs let you create specialized AI assistants with custom instructions, knowledge files, and **Actions for external API integrations**. Actions replaced the old plugin system in April 2024. **Anyone can use public GPTs**, but creating your own with Actions requires Plus ($20/mo) or higher.
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Go | ✓ | |
| Plus | ✓ | |
| Pro | ✓ | |
| Team | ✓ | |
| Enterprise | ✓ |
Available on: Windows macOS iOS Android web API
Verified: 2026-03-15
Sources: https://help.openai.com/en/articles/8554397-creating-a-gpt, https://platform.openai.com/docs/actions, https://chatgpt.com/gpts
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