Mediator 9 Demo [ PRO ]

| Metric | Mediator 8 | Mediator 9 (Demo) | | :--- | :--- | :--- | | | 4m 22s | 2m 01s | | Memory Usage | 890 MB | 412 MB | | Failed Retries | 12 | 3 |

This will save agencies and ops teams hours of headache. I ran the same stress test on Mediator 8 and the Mediator 9 demo: processing a CSV of 10,000 rows, enriching each row with a REST API call, and updating a Google Sheet. mediator 9 demo

April 14, 2026 Category: Product Reviews / Workflow Automation | Metric | Mediator 8 | Mediator 9

Also, the new "AI Transformer" node is cool (it lets you use GPT-4 to map fields), but it hallucinated a field name once. Turn on "Human approval" for that node until they patch it. Yes. Turn on "Human approval" for that node until they patch it

Disclaimer: The author received early demo access but was not paid for this review.

With the release of , the team has broken that silence. I got early access to the demo, and after spending a week pushing it to its limits, here is everything you need to know. What is Mediator 9? If you are new to the ecosystem, Mediator is a visual middleware tool. It sits between your SaaS apps (Salesforce, Slack, Notion, etc.) and handles "if-this-then-that" logic—but with branching, error handling, and data transformation that rivals enterprise ETL tools.