a2aproject/A2A vs bytedance/deer-flow

Compare a2aproject/A2A and bytedance/deer-flow using the current verified snapshot: positioning, license, deployment, use cases, limitations, and original sources.

a2aproject/A2A

a2aproject/a2a provides an open protocol that lets opaque AI agents built on diverse frameworks communicate and collaborate without sharing internal memory or tool implementations. Agent communication uses JSON-RPC 2.0 over HTTP(S), enabling secure collaboration across separately hosted applications.

License: Apache-2.0
Deployment: Refer to project documentation
Use cases: Automation
Updated: 2026-07-17T10:45:56Z

Original project link

bytedance/deer-flow

DeerFlow is an open-source agent harness that orchestrates sub-agents, memory, and sandboxes to perform multi-step tasks ranging from research to code generation. It supports local or Docker-based sandbox execution and integrates with external MCP servers and messaging platforms.

License: MIT
Deployment: Refer to project documentation
Use cases: Search & Research
Updated: —

Original project link

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