TLDR: Simpliflow is a lightweight, open-source Python framework designed for the rapid creation and deployment of generative AI agent workflows. It simplifies the orchestration of linear, deterministic tasks through a declarative, JSON-based configuration. Supporting over 100 Large Language Models (LLMs) via LiteLLM, Simpliflow features a modular architecture, human-in-the-loop capabilities, and custom post-processing functions for ‘AI-to-Action’ functionalities. The framework aims to reduce complexity and boilerplate code, making AI automation more accessible for diverse applications, from customer service to IT prototyping.
Generative Agentic AI systems are rapidly changing how we automate complex tasks, allowing AI agents to perform multi-step operations with increasing autonomy. However, many existing frameworks for building these systems can be overly complicated, requiring a steep learning curve and a lot of initial setup code. This often slows down the process of quickly testing new ideas and deploying solutions.
Addressing these challenges, Deven Panchal introduces Simpliflow, a new lightweight, open-source Python framework designed to simplify the creation and deployment of generative agentic AI workflows. Simpliflow focuses on making rapid prototyping and deployment much more accessible, especially for linear and predictable agentic tasks.
What is Simpliflow?
At its core, Simpliflow is a Python framework that allows developers to define and orchestrate sequences of AI agents using a simple, declarative JSON configuration. This means you describe your workflow in a human-readable JSON file, rather than writing extensive code. Its modular design separates how agents are managed, how workflows are executed, and how outputs are processed, making it easy to use and extend.
A significant advantage of Simpliflow is its integration with LiteLLM, which provides out-of-the-box support for over 100 Large Language Models (LLMs) from various vendors like OpenAI, Anthropic, and Google. This flexibility allows users to switch between different models without changing their core workflow.
How Simpliflow Works
Simpliflow models workflows as deterministic, linear sequences, similar to a finite state machine. Each step in the workflow is handled by an ‘Agent’ which interacts with an LLM based on its defined role and task. The framework ensures that the output of one agent is passed as input to the next, maintaining a clear and predictable flow.
A key feature is its JSON-based configuration. Workflows are defined in a single JSON file, specifying each agent’s role, task, and whether human approval is required for its output. This ‘Human-in-the-Loop’ (HITL) capability allows the workflow to pause and await user confirmation or edits before proceeding, ensuring oversight and control.
Additionally, Simpliflow supports ‘Postprocessor Functions.’ These are custom Python functions that can be plugged in after any agent to manipulate, validate, or transform the LLM’s raw output. This powerful feature enables ‘AI-to-Action’ capabilities, where the AI’s output can trigger real-world actions, such as executing code to turn your laptop into a music synthesizer or running quantum programs on a remote quantum computer.
For more technical details, you can refer to the research paper here.
Key Features and Benefits
- Ease of Use: Simpliflow aims for a low barrier to adoption, allowing users to create AI agents quickly with minimal coding, primarily through JSON configuration.
- Extensive LLM Support: Compatibility with over 100 LLMs via LiteLLM, including locally deployed models.
- Deterministic Workflows: Ensures predictable and reproducible execution paths, which simplifies debugging and auditing.
- Human-in-the-Loop: Built-in support for human approval at specific steps, providing crucial oversight.
- Powerful AI-to-Action: Custom postprocessor functions enable the execution of code and scripts based on AI outputs.
- Output Visibility and Logging: All agent outputs and interactions are logged as structured JSON files, making results transparent and easy to visualize.
- Modularity and Extensibility: Designed to integrate easily into existing Python and non-Python systems, supporting various data sources and external tools.
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Real-World Applications
Simpliflow comes with numerous example workflows demonstrating its versatility across different domains:
- Customer Service: Automating sentiment analysis on customer care data.
- Content Writing: Formatting text into Markdown or generating creative content.
- Network Performance Simulations: Analyzing network data to diagnose issues and optimize resources.
- IT Application Prototyping: Converting requirements into code and automatically generating tests.
- API Interaction: Crafting queries and interacting with external systems, like executing quantum programs on a real quantum computer.
- Task Automation: Handling long, tedious tasks like formatting configuration files.
Compared to other prominent frameworks like LangChain and AutoGen, Simpliflow positions itself as an alternative optimized for simplicity, control, and speed in deterministic workflow environments. While it trades some autonomy for clarity, its focus on predictable, linear flows makes it ideal for well-defined process automation with LLMs.
Simpliflow is an active open-source project with plans for future enhancements, including improved error handling and support for asynchronous and parallel agent execution, all while maintaining its core philosophy of simplicity.


