A agentindex
Comparison

Cloudflare Agents SDK vs Semantic Kernel

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Cloudflare Agents SDK

Stateful agents on Cloudflare Workers.

  • + Stateful agents on serverless edge
  • + Durable Objects give durable execution and alarms
  • − Cloudflare-locked runtime
  • − Newer mental model to learn

Semantic Kernel

Microsoft's SDK for enterprise AI orchestration.

  • + Strong .NET and Java story for enterprise
  • + Planner abstraction for tool orchestration
  • − Enterprise-flavored, less hacker-friendly
  • − Concept-heavy docs
Spec Cloudflare Agents SDK Semantic Kernel
Category framework framework
License Apache-2.0 MIT
Open source Yes Yes
Self-hostable No Yes
MCP support Yes Yes
Pricing usage free
Starting price Cloudflare Workers free tier BYOK usage cost
Models claude, gpt, gemini, byok gpt, claude, byok
Languages typescript csharp, python, java
GitHub stars 5.2k 28.2k
Last activity 2026-06-25 2026-06-25