Agent frameworks tier list
Editorial ranking from official docs, pricing and public release notes. Not yet hands-on tested. Rankings are never for sale.
Agent frameworks
Updated Oct 21, 2026Libraries for building your own agents.
S
A
Claude Agent SDKThe Claude Code harness as an SDK; Claude-only.
OpenAI Agents SDKLightweight handoffs and guardrails; OpenAI-first.
B
n8nNo-code agents inside visual workflows.
C
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Prices at a glance
- S · LangGraph ↗ Open source $0 · source
- S · Mastra ↗ Open source $0 · source
- A · Claude Agent SDK ↗ SDK $0 · source
- A · OpenAI Agents SDK ↗ Open source $0 · source
- B · n8n ↗ Starter · Pro-1 · source
Loadouts using this gear
Other tier lists: AI coding agents · Vibe-coding app builders · AI code review · Browser automation for agents · Web search and scraping for agents · Customer support agents · Personal AI agents