What are the best alternatives to 12-factor-agents?

The top alternatives to 12-factor-agents are Replit, v0, OpenAI Agents SDK, ranked by real usage data on Unfragile.

Are there free alternatives to 12-factor-agents?

Yes, 19 free alternatives to 12-factor-agents exist, including Replit, v0, OpenAI Agents SDK.

20 alternatives ranked by real usage data. 12-factor-agents scores 48/100 — 20 tools score higher.

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

20 alternatives

19 free options

20 score higher

Browser-based IDE + AI Agent — builds, runs, and deploys full apps from a description, 50+ languages supported.