Builder utilities

Small tools for practical AI decisions.

Explore model costs, context limits, research ideas, and stack readiness — no account needed.

AI Cost Calculator

Estimate monthly model spend from tokens and request volume.

Compare pricing, context, and modalities for up to three models.

Turn pages or words into tokens and find models where the content fits.

Search and filter published research breakdowns by topic and tag.

Plain-language definitions for the terms builders encounter most.

Paste a prompt and compare approximate token and model costs.

A concise timeline of products, research, and site improvements.

Quick picks for low cost, large context, and multimodal support.

Connect current research themes to practical product opportunities.

Assess an AI workflow and reveal the next infrastructure priorities.