A agentindex
Comparison

Cloudflare Agents SDK vs Letta

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

Letta

Stateful agents with long-term memory (formerly MemGPT).

  • + First-class long-term memory and stateful agents
  • + Lets agents persist and self-edit context
  • − Narrower focus than general orchestration frameworks
  • − Memory model adds complexity
Spec Cloudflare Agents SDK Letta
Role Agent framework Agent framework
Tags agent-framework, hosted, orchestration agent-framework, library, multi-agent
License Apache-2.0 Apache-2.0
Open source Yes Yes
Self-hostable No Yes
MCP support Yes Yes
Pricing usage freemium
Starting price Cloudflare Workers free tier Self-host free
Models claude, gpt, gemini, byok claude, gpt, gemini, byok
Languages typescript python
GitHub stars 5.2k 23.5k
Last activity 2026-06-26 2026-06-26