An open-source visual programming environment for battle-testing prompts to LLMs. ChainForge is a data flow prompt engineering environment for analyzing and evaluating LLM responses. It enables rapid-fire comparison of prompts, models, and response quality that goes beyond ad-hoc chatting with individual LLMs.
Builder’s Brief
ChainForge is a coding tool on FalcoScan. An open-source visual programming environment for battle-testing prompts to LLMs. FalcoScan rates ChainForge as moderate opportunity, a contested market, and some wrapper risk. Momentum: rising. ChainForge is currently at Bootstrapped stage. Pricing: Free. FalcoScan rating 4.2/5.
Market position · Coding
How ChainForge compares in Coding
ChainForge has moderate opportunity and sits in the middle third of 491 live Coding tools on FalcoScan. Across Coding, the average opportunity score is 60.3 and the average saturation score 44.4. FalcoScan rates ChainForge's own market position as contested. 154 of the 491 operating Coding tools have hot momentum, and FalcoScan has recorded 16 shutdowns in the category.
The closest alternatives to ChainForge that are still running, matched on the AI capabilities, uses and audience they share, are Hex Magic, Granite 3.1, Claude Code, Harvey AI, and Mintlify Docs AI.
Is ChainForge still operating?
Yes. FalcoScan's operating checks list ChainForge as active.
Does ChainForge have an API?
Yes. ChainForge offers an API.
Who is ChainForge for?
ChainForge is built for developers and ai engineers.
How do I sign in to ChainForge?
Sign in on ChainForge's own website, github.com. FalcoScan reviews ChainForge but does not run its accounts, so logins, passwords and billing are handled by ChainForge directly.