Precision Instrumentation for AI
Tag Every LLM Call.
Slice Data Any Way.
Add /// FLOW checkout to your prompts.
Instantly see costs by app, workflow, market, variant, and more.
No SDK. No code changes. Just comments.
100 free credits included. Works with OpenAI, Anthropic, Groq, and 50+ providers.
5-Minute Setup
Zero Code Changes. Instant Visibility.
Route your AI calls through our proxy. Add smart tags to your prompts. Get granular analytics across every dimension that matters to your business.
Change One URL
Replace api.openai.com with api.demeterics.com.
Same SDK, same code, same API keys.
Add Smart Tags
Add /// APP, /// FLOW, /// MARKET to your prompts.
We extract dimensions automatically.
Slice Any Way
Filter and aggregate by any dimension. Compare A/B variants. Track costs by team, market, or customer.
/// APP customer-support/// FLOW ticket-response/// MARKET enterprise/// VARIANT v3-empatheticYou are a helpful customer support agent.Respond to the following ticket with empathy...
Real-World Examples
See How Teams Use Smart Tags
From startups to enterprises, teams use instrumentation tags to unlock insights that were previously impossible to capture.
A/B Test Prompt Variants
Compare conversion rates between different prompt strategies. Know which approach works best before rolling out to all users.
/// FLOW onboarding-welcome/// VARIANT friendly-casualWelcome! I'm here to help you get started...
Filter dashboard by VARIANT to see cost, latency, and quality per test group.
Track Cost Per Customer
Know exactly how much each customer costs in LLM spend. Bill accurately for AI-powered features or identify abuse patterns.
/// COMPANY acme-corp/// UNIT sales-teamSummarize the following sales call transcript...
Export COMPANY-level spend for invoicing or margin analysis.
Analyze by Market Segment
Compare AI performance across regions, languages, or customer segments. Optimize prompts for each market.
/// MARKET latam-spanish/// FLOW product-recommendationRecomienda productos basados en...
See if Spanish prompts cost more or perform differently than English.
Track Prompt Versions
Know which prompt version is running in production. Measure regressions after updates. Roll back with confidence.
/// APP email-generator/// VERSION 2.3.1Write a professional email that...
Compare VERSION 2.3.1 vs 2.2.0 latency, cost, and error rates.
Platform Features
Everything You Need to Optimize AI Spend
Tags unlock the data. These features help you act on it.
Cost Analytics
Track spend by APP, FLOW, COMPANY, or any tag. No more surprise bills.
Latency Tracking
Average, P90, P99 by workflow. Compare VARIANT performance.
Error Debugging
Full request/response logs. Filter errors by any tag dimension.
Dimension Aggregation
Group by any tag. Pivot across MARKET, UNIT, or VERSION.
Multi-Provider
OpenAI, Anthropic, Groq, Gemini, OpenRouter. One dashboard for all.
Token Analysis
Input/output breakdown. Find which prompts waste tokens.
Session Tracking
Link calls by SESSION. Replay full conversation threads.
REST API + Exports
Query data programmatically. Export to CSV or JSON for analysis.
Why Demeterics
The Only Observability That Works Everywhere
Other tools require SDKs, code changes, or complex integrations. Our inline tagging approach means you can instrument any prompt, anywhere.
Other Tools
- Require SDK integration
- Code changes needed
- Don't work in no-code tools
- Limited metadata options
Demeterics
- No SDK required
- Just add comments
- Works in n8n, Zapier, Make
- 14+ metadata dimensions
5-Minute Setup
Change one URL.
Add tags to prompts.
Done.
Data Compounds
Historical analytics grow more valuable over time.
Your data is your moat.
Works with all major LLM providers
Transparent Pricing
Pay only for what you use. No hidden fees.
$0
to start
100 credits
included free
~$0.001/call
typical proxy cost
You pay LLM providers directly. We charge only for tracking and analytics.
Start in 5 minutes
Ready to See Every Dimension of Your AI Spend?
Change one URL. Add a few /// tags to your prompts.
Unlock insights that grow more valuable every day.
100 free credits included. | No credit card required. | Works with 50+ LLM providers.