Cost Tracking Reference

Load this on-demand when the user asks about costs or before batch operations.

Pricing Table

Model	Resolution	Cost/Image	Notes
Installed MCP model	Any	Verify before use	Check https://ai.google.dev/gemini-api/docs/pricing and installed MCP config
Batch API	Any	Verify before use	Confirm availability and discount before quoting

Do not quote fixed package prices unless they have been verified at https://ai.google.dev/gemini-api/docs/pricing.

Free Tier Limits

~10 requests per minute (RPM)
~500 requests per day (RPD)
Per Google Cloud project, resets midnight Pacific

Cost Tracker Commands

# Log a generation
cost_tracker.py log --model gemini-3.1-flash-image-preview --resolution 1K --prompt "coffee shop hero"

# View summary (total + last 7 days)
cost_tracker.py summary

# Today's usage
cost_tracker.py today

# Estimate before batch
cost_tracker.py estimate --model gemini-3.1-flash-image-preview --resolution 1K --count 10

# Reset ledger
cost_tracker.py reset --confirm

Storage

Ledger stored at ~/.banana/costs.json. Created automatically on first use.