# OpenAI API vs Grok API (xAI) for HighLevel

> Choose OpenAI API if you're building your own product or SaaS feature on GPT models. Choose Grok API (xAI) if you want Grok models in your own code with HighLevel tools. Both reach HighLevel by highlevel mcp, so the difference is in approvals, access and the jobs each handles best.

Last verified: October 25, 2026

|  | OpenAI API | Grok API (xAI) |
| --- | --- | --- |
| Maker | OpenAI | xAI |
| Type | Model APIs | Model APIs |
| Always on | If you schedule it | If you schedule it |
| Route to HighLevel | MCP | MCP |
| Official GHL MCP tools | Yes (direct) | Yes (direct) |
| Approval controls | require_approval per tool call | Your own |
| Scheduling | Your own | Your own |
| Runs on | Your server | xAI servers call the MCP server |
| Business app reach | Any remote MCP server you attach | Any remote MCP server you attach |
| Access & price | OpenAI API key | xAI API key |
| Setup effort* | Advanced | Advanced |

## FAQ
### Is OpenAI API or Grok API (xAI) better for HighLevel?
Choose OpenAI API if you're building your own product or SaaS feature on GPT models. Choose Grok API (xAI) if you want Grok models in your own code with HighLevel tools. Both reach HighLevel by highlevel mcp, so the difference is in approvals, access and the jobs each handles best.

### Can OpenAI API use official HighLevel MCP tools?
OpenAI API: Yes (direct). Grok API (xAI): Yes (direct).

### Which needs approval before acting, OpenAI API or Grok API (xAI)?
OpenAI API: require_approval per tool call. Grok API (xAI): Your own.

### Can I use OpenAI API and Grok API (xAI) together?
Yes. Give each its own HighLevel staff user or token and assign separate jobs, for example custom agents inside your own saas to OpenAI API and custom grok-powered agents to Grok API (xAI).