Know what your AI costs. Prove what it's worth.
Costiva tracks your AI spend across providers, measures the impact of what you ship, and gives you 11 free tools to plan, build, and test with confidence.
Most teams guess. Costiva closes the loop.
Plan with a free tool, build it, test it, keep it governed — then measure what actually happened and start again.
Free tools for planning, building, and testing
Answer a few questions, get a ready-to-use result — no account required.
CLAUDE.md Auditor
Score your CLAUDE.md on actionability, hard rules, signal density, completeness, and agent ergonomics.
Try it freeWorkload Cost Estimator
Estimate your monthly Claude API spend before you build — with prompt caching and Batch API discounts.
Try it freeEval Set Generator
Turn a feature description into a starter eval set: concrete test cases, a grading rubric, and a pass bar.
Try it freeMCP Config Wizard
Build a valid claude_desktop_config.json or .mcp.json in a few clicks — no hand-written JSON.
Try it freeModel Picker
Which AI model should you use? Answer a few questions and get a transparent, explainable recommendation across Claude, GPT, and Gemini.
Try it freeDeltas with caveats, not causality theater
Mark when you deploy a change, and Costiva compares your usage and cost before versus after — flagging a volume shift when one would make the raw numbers misleading. It measures what changed, not what to credit for it.
See how impact analytics works
Measure across providers, not just one
The Cost Estimator, Token Counter, and Model Picker compare 10 current models across Anthropic, OpenAI, and Google — each price checked by hand, not scraped and trusted blindly. Every model shown was last verified Aug 12, 2026.
Estimate your costsHow it works
1. Connect a read-only Admin key
No code changes — Costiva reads your usage and cost through Anthropic's Admin API.
2. Mark what you deploy
One label and a timestamp — from an asset's page or right here.
3. See what changed
Cost, tokens, and cache efficiency, before versus after — with sample sizes shown.
Frequently asked questions
Start free — 11 tools, no card required
Register with just an email address. Connect a read-only Admin key whenever you're ready.
Get started free