FoundryPlatform for building, testing, and training web-browsing AI agents.

4.8 (4)

Reviewed by Daniel Nikulshyn·Updated May 2026

AI Agents Web Automation Developer Tools Testing & Evals Training Benchmarking Debugging

Overview

Foundry is a development platform focused on AI agents that operate across the web. It gives builders the infrastructure to design agents, run them against real or simulated browsing tasks, and iterate on their behavior with structured evaluations. Beyond construction, Foundry emphasizes the training and testing loop. Developers can benchmark agent performance, capture failure cases, and refine models or prompts to improve reliability on tasks like navigation, form filling, data extraction, and multi-step workflows. The tool is aimed at teams shipping production-grade browser agents who need repeatable evaluation, debugging visibility, and continuous improvement rather than one-off scripts.

Key features

Agent development environment
Automated testing on browsing tasks
Training and fine-tuning workflows
Performance benchmarking and evals
Debugging and trace inspection
Iterative improvement tooling

Pricing

Model: Free
Category: AI Infrastructure & MLOps
Rating: 4.8 / 5 (4)

Use cases

Build production web-browsing agents

Design and iterate on AI agents that navigate websites, fill forms, and complete multi-step workflows using Foundry's dedicated development environment.

Benchmark agent reliability

Run automated tests across real or simulated browsing tasks and use structured evaluations to measure performance and track improvements over time.

Debug and fix failure modes

Inspect traces from agent runs to surface failure cases, then refine prompts or models to improve reliability on navigation and data extraction tasks.

Train and fine-tune browsing models

Leverage training workflows to continuously improve agent behavior, turning captured failures into data for the next iteration cycle.

Pros & Cons

Pros

Purpose-built for web-browsing agents
Supports end-to-end build, test, and train workflow
Helps surface and fix agent failure modes
Encourages repeatable evaluation

Cons

Narrow focus on browsing use cases
Likely requires engineering expertise
Limited public information on pricing and limits

Battle record

Across 2 battles in the Pantheon.

1st

2nd

3rd

Last 2 battles

Reviews

4.8

Average from 4 ratings.

Priya Nair

Apr 7, 2026

Years in this space

I've evaluated a lot of these over the years. What stands out here is agent development environment — handled better than most — and encourages repeatable evaluation. Likely requires engineering expertise is my one real gripe. Worth the time if this is your use case.

Sofia Lindqvist

Dec 18, 2025

Does the job

Pretty happy overall. Debugging and trace inspection just works and helps surface and fix agent failure modes. but no dealbreakers — I'd recommend it to a friend without hesitating.

Pierre Dubois

Oct 28, 2025

Skeptical, then convinced

I went in skeptical — most tools in this space overpromise. It actually delivers on iterative improvement tooling, and helps surface and fix agent failure modes caught me off guard. still, I'd recommend giving it a real trial.

Rina Desai

Sep 25, 2025

Use it every day

Honestly didn't expect to like it this much. Performance benchmarking and evals is exactly what I needed, and encourages repeatable evaluation. but I reach for it almost every day now and it just clicks.

Q&A

Is pricing information available for Foundry?

There is limited public information available on Foundry's pricing and usage limits.

Asked by Ines Fernandes · Feb 11, 2026

What kind of expertise is required to use Foundry?

Foundry likely requires engineering expertise to use effectively, given its focus on building and training AI agents.

Asked by Piotr Baranowski · Feb 1, 2026

What are the key features of Foundry?

Foundry's key features include an agent development environment, automated testing, training and fine-tuning workflows, performance benchmarking, and debugging tools.

Asked by Oksana Melnyk · Jan 14, 2026

What is Foundry used for?

Foundry is a platform for building, testing, and training web-browsing AI agents. It helps developers design, run, and refine agents that operate across the web.

Asked by Yelena Popova · Jan 4, 2026