Dify.AI vs Hercules

Dify.AI is an open-source LLMOps platform; Hercules is an open-source AI testing agent.

Which to pick

What it is: Dify.AI:Dify.AI is an open-source LLMOps platform for building, deploying and managing AI-native apps with visual workflow, agent and knowledge-base tools.; Hercules:Hercules is an open-source AI testing agent that runs end-to-end UI, API, accessibility, security, mobile and visual tests from natural-language specs.
Best for: Dify.AI:No-code visual AI app development; Hercules:Autonomous AI-driven test execution
Who it’s for: Dify.AI:Developers and teams building AI applications, from hobbyists to enterprises; Hercules:QA engineers, developers and product teams needing scalable, low-code test automation.
Pricing: Dify.AI:Freemium; Hercules:Open source
Plans: Dify.AI:Sandbox Free · Community Free; Hercules:—
Open source: Dify.AI:Yes, 157,311 GitHub stars; Hercules:Yes, 1,170 GitHub stars
Works with: Dify.AI:—; Hercules:pip, Docker, browsers, APIs, databases, Salesforce, OpenAI, Groq

Workflow Studio. Drag-and-drop visual builder for agentic workflows with visible execution paths.
Agent Builder. Create AI agents with skills, tools and knowledge, usable as apps or workflow nodes.
Knowledge Pipeline. Prepare searchable knowledge bases by extracting, cleaning, chunking and indexing data sources.
Marketplace Plugins. Install model providers, tools and data source integrations from a shared marketplace.
Publish & Monitor. Deploy apps as web experiences, APIs or embeds and track logs, feedback and usage.

Zero-code test creation. Write tests in Gherkin or natural language; Hercules generates and runs them automatically.
Multi-modal testing. Supports UI, API, accessibility, security, mobile and visual validations out of the box.
One-click deployment. Install via pip or Docker and start testing in under five minutes.
Extensible toolchain. Build and attach custom tools; includes built-in browsers, APIs and databases.
CI/CD ready. Runs locally or in pipelines with Docker native execution and parallel scenario support.
Model agnostic. Works with OpenAI, Groq, Llama, Mistral, Anthropic and other LLM providers.
Multilingual UI. Provides multilingual capabilities for globally distributed teams.
Evidence capture. Records video, network logs and screenshots for each test run.

Is Dify.AI or Hercules free?+

Dify.AI has a free plan (Sandbox) and paid plans. Hercules is free and open source.

Is Dify.AI or Hercules open source?+

Yes, both are open source: Dify.AI (langgenius/dify on GitHub) and Hercules (test-zeus-ai/testzeus-hercules on GitHub, AGPL-3.0 license).

Dify.AI

30 upvotes · Launched on DevHunt on Jan 31, 2023

Hercules

22 upvotes · Launched on DevHunt on Nov 18, 2025

Based on each tool's website and DevHunt data. Details may change; check the official sites.