AI & Workflow Automation
Top 1 Self-Hosted Open-Source Alternatives to LangSmith / Helicone Cloud (2026)
LangSmith / Helicone Cloud costs Plus ($39/seat/mo + $0.50 per 1k LLM traces) ($429/mo or $5,148/year for 10 seats). Switch to one of the verified open-source Docker replacements below.
★ 8.2k Stars • MIT (Core)
1024MB RAM / 1.0 vCPU
Langfuse
Open-source LLM engineering platform: traces, evals, prompt management, and token cost analytics
- ✓Track exact USD cost per user, model & prompt version
- ✓Version-control prompts outside your codebase
- ✓100% sovereign prompt/completion logs
langfuse/langfuse:2
TCO & Docker Compose →