# Proximal

Software-engineering training data and long-horizon coding benchmarks.

- Website: https://www.proximal.ai/
- Category: RL startup, Data seller
- Type: Coding data lab
- Capabilities: Coding, Evaluation, Long-horizon
- Reviewed: 2026-09-09

## Overview

Proximal develops training data for coding models and agents. Its work includes FrontierSWE, which tests software engineering on tasks requiring extended execution and problem solving.

## Products & services

- Data generation for software-engineering model training.
- Long-horizon coding evaluation through FrontierSWE.

## Sources & references

- [Proximal products and research](https://www.proximal.ai/)