I spent $900 on AI coding agents in 8 weeks
I've asked Sonnet 4.5 (Cursor) to generate some stats based on my cursor CSV file usage. Here it is the output: Key Findings from Your Cursor Usage Here are the most interesting insights from your usage data:
Cost Summary
Total Cost: $928.45 over 70 days
Average per Request: $0.06
Cost per Task (Request): Ranges from $0.00 to $2.78, with 65.7% costing under $0.05
Projected Monthly Cost: ~$416 (based on average daily spend of $13.86)
Request Patterns
Requests per 5 Hours: Average 70.7, ranging from 1 to 451
Average Time Between Requests: 6 minutes 33 seconds
Median Time Between Requests: Just 13 seconds (shows bursts of activity)
Peak Activity: 1-2 PM (10.4% of all requests at 1 PM)
Busiest Day: Saturday with 21.7% of requests
Token Efficiency
Average Tokens per Request: 83,371 tokens
Median Tokens per Request: 38,342 tokens
Average Output per Request: 876 tokens
Cache Hit Rate: 88.8% (excellent! saves money)
Cost per 1,000 Tokens: $0.0009 (very efficient due to caching)
Cost per 1,000 Output Tokens: $0.14
Notable Stats
Most Expensive Request: $2.78 using 6.8M tokens (mostly cached)
Total Hours of Active Usage: 1,692 hours (~9 requests/hour)
Most Used Models: claude-4.5-sonnet-thinking, claude-3.5-sonnet, and others
Related: https://news.ycombinator.com/item?id=45914307 That seems like a lot of money for someone kicking the tires on a project. Maybe not so much if my compnay is paying for it. But I'd really like to download and run a local model to minimize the charged requests. you gotta stop