Working Notes on Agent Systems/Brad Zhang

@teach_fireworks / X longform

A comparison of mainstream Agent development frameworks! How to choose among so many Ag...

A comparison of mainstream Agent development frameworks! How to choose among so many Agent development frameworks? Personal daily heavy coding / research on open source projects...

June 2, 2026 · 1 min read

A comparison of mainstream Agent development frameworks! How to choose among so many Ag...
Figure 1 / source image

A comparison of mainstream Agent development frameworks!

How to choose among so many Agent development frameworks?

Personal daily heavy coding / research on open source projects: you can try Pi Agent AI SaaS or enterprise-level agent: OpenAI Agents SDK + LangGraph for more stable knowledge base/RAG: LlamaIndex + LangGraph structured business agent: Pydantic AI.

You do quick demos and content-based multi-agent: CrewAI

Figure 2 / source image

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FORMATTOPICCAPABILITYMARKETcoverscoverscoverssignalssignalssignalssignalsFORMATlongform noteTOPICagentsTOPICtechnical distributionTOPICretrievalCAPABILITYagent workflowCAPABILITYdeveloper toolingCAPABILITYtechnical writingMARKETopen-source builders
Mermaid outline
flowchart LR
  format-long_post["longform note"]
  topic-agents["agents"]
  topic-technical-distribution["technical distribution"]
  topic-retrieval["retrieval"]
  capability-agent-workflow["agent workflow"]
  capability-developer-tooling["developer tooling"]
  capability-technical-writing["technical writing"]
  market-open-source-builders["open-source builders"]
  format-long_post -->|covers| topic-agents
  format-long_post -->|covers| topic-technical-distribution
  format-long_post -->|covers| topic-retrieval
  format-long_post -->|signals| capability-agent-workflow
  format-long_post -->|signals| capability-developer-tooling
  format-long_post -->|signals| capability-technical-writing
  format-long_post -->|signals| market-open-source-builders

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A comparison of mainstream Agent development frameworks! How to choose among so many...THESISA comparison ofmainstream Agentdevelopmentframeworks! How toSIGNALA comparison ofmainstream Agentdevelopmentframeworks!OPERATORPersonal daily heavycoding / research onopen source projects:you can try Pi AgentIMPLICATIONYou do quick demos andcontent-basedmulti-agent: CrewAI
Mermaid outline
flowchart LR
  thesis["A comparison of mainstream Agent development frameworks! How to choose among so many Agent development fram..."]
  signal["A comparison of mainstream Agent development frameworks!"]
  operator["Personal daily heavy coding / research on open source projects: you can try Pi Agent AI SaaS or enterprise-..."]
  implication["You do quick demos and content-based multi-agent: CrewAI"]
  thesis -->|frames| signal
  signal -->|develops| operator
  operator -->|lands in| implication

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