Tester-first IDE to find AI drift.

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Ai4Testers helps testers check how AI applications behave, from the outside, with evidence.

Tester-first, by design

An offline desktop IDE for testing GenAI Chatbots, AI Assistants and Agents.

Know what changed

Two builds in. Exactly what changed, out, before your users notice.

Same verdict, every run

Findings you can defend in a defect.

Everything runs on your machine

No cloud, no data leaks, no API bills.

Tester is the final judge

The tool gives findings. You decide.

Tester-first, by design

An offline desktop IDE for testing GenAI Chatbots, AI Assistants and Agents.

Know what changed

Two builds in. Exactly what changed, out, before your users notice.

Same verdict, every run

Findings you can defend in a defect.

Everything runs on your machine

No cloud, no data leaks, no API bills.

Tester is the final judge

The tool gives findings. You decide.

One engine. Four doors.

What a tester judges in the IDE, your pipeline enforces with the same engine.
BDA  Behavior Drift Analysis
One offline engine for every question a tester asks of an AI application: what changed between builds, what contradicts itself inside a transcript, what breaks when the input is nudged. Deterministic where it can be. Never in the cloud.

IDE

Build Test Suites and Runnable Playbooks. Run them. Read the evidence.

CLI

Gate every build in CI. Same verdicts, no GUI.

API

Call BDA from your own test framework.

MCP

Let your AI agents ask BDA what changed.
Test Suites are single checks. Runnable Playbooks are multi-step scenarios that carry data from step to step. Both run everywhere BDA runs.

Free preview, December 2026.

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