Tools · SPBoucher
Menu

Directory

2 tools

Results

Langfuse

Langfuse (part of ClickHouse, Inc. since January 2026) · Prompting, evaluation & observability

In-depth entry

Open-source LLM observability and evaluation platform: tracing, LLM-as-judge and human evals, prompt management, datasets and cost dashboards, self-hostable or as Langfuse Cloud

MITOpen sourceFreemiumSelf-hostedNov 2, 2026

LangSmith

LangChain, Inc. · Prompting, evaluation & observability

LangChain's hosted platform for tracing, evaluating and deploying LLM applications and agents, with prompt tooling, an LLM gateway and cloud, hybrid or self-hosted options

ProprietaryFreemiumPaidSelf-hostedNov 2, 2026

Page 1 of 1

Share this view: /tools?tag=prompt-management&pricing=paid&status=active