Are Tokens Getting Cheaper?

A dependency-free full-screen Canvas chart of OpenAI, Anthropic, and Google API token prices over time.

The chart now includes a Per IQ mode that normalizes each release by the Artificial Analysis Intelligence Index using combined input + output token price.

Run

python3 -m http.server 5173

Then open http://localhost:5173.

Files

• data/model-prices.json - researched release-price data and source URLs.
• data/model-intelligence.json - per-release Artificial Analysis intelligence mappings and provenance notes.
• data/sources.md - scope, caveats, and source notes.
• src/main.js - Canvas renderer, hover/tap interactions, top lab/model-class toggles, and draggable comparison range cursors.
• assets/logos/*.svg - provider SVG marks.
• assets/generated/chart-backdrop.png - generated backdrop retained as an unused asset from the first visual pass.