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ChainForge

Free
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About

ChainForge is an open-source visual programming environment for prompt engineering, designed to evaluate the robustness of prompts and text generation models beyond anecdotal evidence. It simplifies the process of prompting multiple LLMs, comparing responses, and testing hypotheses. The web version offers a slightly limited feature set compared to the local installation, which supports loading API keys from environment variables, writing Python code for LLM response evaluation, and querying local models. ChainForge provides a suite of tools to evaluate and visualize prompt and model quality with minimal effort, addressing the need for data-verified robustness. It allows users to precisely identify the best prompts and most performant models for their use cases. Developed by Ian Arawjo at Harvard, it's in active open beta, welcoming contributors.

Platform
Web
Task
prompt evaluation

Features

send parametrized prompts and export to excel

open-source visual programming environment

local installation with extended features

measure impact of system messages

verify llm output consistency

test for prompt injection attacks

compare responses across multiple llms

evaluate prompt and model robustness

FAQs

What can I do with ChainForge?

ChainForge helps evaluate prompt/model quality, test robustness (e.g., prompt injection), ensure output consistency, send parameterized prompts, export data, and compare model responses.

Pricing Plans

Open-Source
Free Plan

Visual prompt engineering

Evaluate prompt robustness

Compare multiple LLM responses

Test prompt injection attacks

Export results to Excel

Local installation option

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