DeerFlow vs Feynman

Side-by-side comparison of two AI agent tools

Short answer

  • DeerFlow is growing faster: +5,271 GitHub stars in the last 30 days vs +140 for Feynman.
  • Pick DeerFlow for: open-source agent harness for long-horizon research, coding, and content creation. Pick Feynman for: the open source AI research agent.

From GitHub data refreshed daily.

DeerFlowopen-source

Open-source agent harness for long-horizon research, coding, and content creation

F
Feynmanopen-source

The open source AI research agent.

Metrics

DeerFlowFeynman
Stars83.3k9.9k
Star velocity /mo5.3k140
Commits (90d)1.3k493
Releases (6m)210
Downloads (30d, npm + PyPI)—142.6K
Overall score0.84536205194419240.726140081301661

Pros

  • +Comprehensive agent orchestration system that coordinates sub-agents, memory, and sandboxes for complex multi-step tasks
  • +Extensible skills framework allows customization and expansion of agent capabilities beyond basic functionality
  • +Active development with a complete 2.0 rewrite showing commitment to architectural improvements and long-term maintenance

    Cons

    • -Version 2.0 is a complete rewrite with no backward compatibility, requiring migration effort for existing users
    • -Complex architecture with multiple components may require significant setup and configuration effort
    • -Limited documentation visible in the provided materials, potentially creating a steep learning curve

      Use Cases

      • •Automated research workflows that require gathering information from multiple sources and synthesizing findings
      • •Software development projects requiring coordination between planning, coding, testing, and deployment phases
      • •Content creation tasks that involve research, writing, editing, and publication across multiple platforms
        View DeerFlow DetailsView Feynman Details

        FAQ

        Which is more popular, DeerFlow or Feynman?
        DeerFlow has more GitHub stars (83,349 vs 9,865).
        Which is more actively developed, DeerFlow or Feynman?
        DeerFlow had more commits in the last 90 days (1,274 vs 493).
        Should I use DeerFlow or Feynman?
        Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.