api-cost-tracker
/install ai-api-cost-tracker
API Cost Tracker
Analyze and optimize AI API costs across multiple providers with detailed breakdowns, trend detection, and actionable savings recommendations.
Quick Start
# Analyze OpenRouter usage (from activity page export)
python3 scripts/api_cost_tracker.py openrouter --file activity.json
# Analyze OpenAI usage (from billing export)
python3 scripts/api_cost_tracker.py openai --file usage.json
# Analyze from environment (auto-detect provider from API keys)
python3 scripts/api_cost_tracker.py auto --days 30
# Cost breakdown by model
python3 scripts/api_cost_tracker.py openrouter --file activity.json --by model
# Cost breakdown by day with trend analysis
python3 scripts/api_cost_tracker.py openrouter --file activity.json --by day --trends
# Find most expensive requests
python3 scripts/api_cost_tracker.py openrouter --file activity.json --top 20
# Compare current vs optimized (model substitution analysis)
python3 scripts/api_cost_tracker.py openrouter --file activity.json --optimize
# Set budget alert threshold
python3 scripts/api_cost_tracker.py openrouter --file activity.json --budget 50.00
# Output as markdown report
python3 scripts/api_cost_tracker.py openrouter --file activity.json --output markdown
# Output as JSON
python3 scripts/api_cost_tracker.py openrouter --file activity.json --output json
Supported Providers
| Provider | Input Format | Auto-detect |
|---|---|---|
| OpenAI | Billing CSV/JSON export, API responses | OPENAI_API_KEY |
| Anthropic | Usage API, console export | ANTHROPIC_API_KEY |
| OpenRouter | Activity JSON, API responses | OPENROUTER_API_KEY |
| Google AI | Billing export | GOOGLE_AI_API_KEY |
| Generic | CSV with columns: timestamp, model, tokens_in, tokens_out, cost | N/A |
Analysis Features
- Cost Breakdown — by model, day, week, feature/tag, request type
- Trend Detection — spending velocity, anomaly detection, projected monthly cost
- Optimization Report — model substitution suggestions, caching opportunities, prompt compression candidates
- Budget Alerts — daily/weekly/monthly thresholds with projected overrun warnings
- Top Spenders — most expensive individual requests or sessions
- Model Comparison — cost-per-quality analysis using common benchmarks
Output Formats
- Terminal (default) — colored tables and charts
- Markdown — report suitable for documentation
- JSON — structured data for programmatic use
- CSV — spreadsheet-compatible export
How It Works
The script:
- Reads usage data from the specified source (file, API, or environment)
- Normalizes all entries to a common format (timestamp, model, input_tokens, output_tokens, cost)
- Applies current provider pricing to calculate/verify costs
- Groups and aggregates by the requested dimension
- Runs optimization analysis comparing current models to cheaper alternatives
- Generates the report in the requested format
Pricing Database
Built-in pricing for 50+ models (updated March 2026). Override with --pricing custom_prices.json.
Requirements
- Python 3.8+
- No external dependencies (stdlib only)
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install ai-api-cost-tracker - After installation, invoke the skill by name or use
/ai-api-cost-tracker - Provide required inputs per the skill's parameter spec and get structured output
What is api-cost-tracker?
Track, analyze, and optimize AI API costs across OpenAI, Anthropic, OpenRouter, Google, and other LLM providers. Parses billing data, usage logs, or API resp... It is an AI Agent Skill for Claude Code / OpenClaw, with 102 downloads so far.
How do I install api-cost-tracker?
Run "/install ai-api-cost-tracker" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is api-cost-tracker free?
Yes, api-cost-tracker is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does api-cost-tracker support?
api-cost-tracker is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created api-cost-tracker?
It is built and maintained by charlie-morrison (@charlie-morrison); the current version is v1.0.0.