A agentindex
Comparison

Cloudflare Agents SDK vs Pydantic AI

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

Pydantic AI

Type-safe agent framework from the Pydantic team.

  • + Type-safe structured outputs
  • + Clean dependency-injection design
  • − Newer, fewer integrations than LangChain
  • − Python only
Spec Cloudflare Agents SDK Pydantic AI
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 claude, gpt, gemini, byok
Languages typescript python
GitHub stars 5.2k 18.0k
Last activity 2026-06-25 2026-06-25