514 - Managed infra, agents and data to simulate coding agents as users

In plain words

Fiveonefour is an experimentation platform for testing and improving how coding agents interact with products. It provides managed infrastructure, agents, and data to simulate agent behavior as users. The platform offers a CLI tool for running experiments locally using Docker and personal LLM provider keys, with optional cloud hosting available through account creation. It's designed for developers building and evaluating agent-based applications.

written from the facts on this page · September 2026

From the sources

Fiveonefour is an experimentation platform for understanding and improving a product's agent experience (AX). We recommend your proceed with your coding agent of choice, using the prompts provided below. But you can always run the CLI by hand if you prefer. Fiveonefour is currently available in Research Preview. Experiments run on AX Cloud , which provides managed infrastructure, agents, and data, so you need an account to run them. You'll start on the Basic plan (free, no card required), which includes $25 in usage credits that reset every month, so you can start running experiments in parallel in the cloud, without any other setup. Prefer to work from Slack? Add AX to your Slack workspace…from docs.514.ax

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