Track AI Agent token usage and estimate costs in Google Sheets

This n8n template demonstrates how to obtain token usage from AI Agents and places the data into a spreadsheet that calculates the estimated cost of the execution. Obtaining the token usage from AI Agents is tricky, because it doesn't provide all the data from tool calls. This workflow taps into the workflow execution metadata to extract token usage information. Works well with OpenAI, Google and Anthropic. Other LLM providers might need small tweaks. How it works The AI Agent executes and then calls a subworkflow to calculate the token usage. The data is stored in Google Sheets The spreadsheet has formulas to calculate the estimated cost of the execution. How to use The AI Agent is used as

Help me set up the n8n workflow "Track AI Agent token usage and estimate costs in Google Sheets" (https://n8n.io/workflows/5541). It uses: Google Sheets, AI Agent, Anthropic Chat Model, OpenAI Chat Model, Google Gemini Chat Model, Think Tool. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.