8 Open-Source Frameworks for Building AI Agents That Actually Work in 2026

📰 Dev.to · Tommaso Bertocchi

Learn about 8 open-source frameworks for building functional AI agents in 2026

intermediate Published 27 Apr 2026

Action Steps

Explore the 8 open-source frameworks listed in the article to determine which one fits your project needs
Evaluate the trade-offs between each framework's strengths and weaknesses
Build a simple AI agent using one of the frameworks to test its capabilities
Configure and fine-tune the agent's parameters to optimize its performance
Test and deploy the AI agent in a real-world scenario to validate its effectiveness

Who Needs to Know This

AI engineers and researchers can use these frameworks to build and deploy AI agents, while product managers can leverage them to create innovative products

Key Insight

💡 Open-source frameworks can accelerate the development of functional AI agents, but choosing the right one is crucial