About EvalNow

The fastest way to evaluate your AI responses with instant, AI-powered insights.

Our Mission

EvalNow was built to solve a simple problem: evaluating AI responses shouldn't be complex, time-consuming, or require extensive setup. Whether you're a developer testing a new model, a researcher comparing AI systems, or a team validating AI performance, you need quick, reliable evaluation results.

We believe in privacy-first AI evaluation that gives you actionable insights without the overhead of complex platforms or data storage concerns.

Key Features

Simple Upload

Upload CSV, JSONL, or Excel files with your questions, reference answers, and AI responses. No complex data formatting required.

AI-Powered Analysis

Google Gemini evaluates each response for accuracy, completeness, and relevance, providing detailed scoring and reasoning.

Instant Insights

Get comprehensive performance metrics, score distributions, and per-question fixes with ready-to-paste wording or policy pointers.

Privacy First

No data storage, no user tracking, no complex setup. Your data is processed and discarded immediately for complete privacy.

Perfect For

  • AI Developers: Quickly validate model performance and improvements
  • Researchers: Compare different AI systems and approaches
  • Product Teams: Evaluate AI features before deployment
  • Data Scientists: Analyze AI response quality at scale
  • QA Teams: Test AI accuracy against known correct answers

How It Works

1
Upload Data

Upload your file with questions, references, and AI answers

2
AI Evaluation

Our AI evaluates each response against the reference

3
Get Insights

Receive detailed results, metrics, and concrete per-question fixes

Technology Stack

EvalNow is built with modern, reliable technologies:

  • Backend: FastAPI with Python for fast, reliable processing
  • AI Engine: Google Gemini 2.0 Flash for advanced evaluation
  • Frontend: Bootstrap 5 with responsive design
  • Architecture: Stateless, privacy-first design with no data persistence
  • Security: HTTPS encryption and secure cloud hosting

Open Source & Feedback

EvalNow is a prototype designed to validate the need for simple AI evaluation tools. We welcome feedback and suggestions for improvement. This tool was built with the philosophy that AI evaluation should be accessible, fast, and privacy-respecting.

Ready to evaluate your AI?

Try EvalNow now - no signup, no setup, just upload and get insights.

Start Evaluating