The top alternatives to Langfuse are LangSmith, Arize Phoenix and Helicone, ranked by Staquest on relevance, shared use cases, and pricing. LangSmith is the strongest free option.
Staquest ranks LangSmith as the top alternative to Langfuse — Observability and evaluation platform for LLM applications.. The full ranked list above compares 10 options.
LangSmith offers a free tier and is the highest-ranked free alternative to Langfuse in Staquest's analysis.
Staquest identifies 10 tools similar to Langfuse using graph relationships, embedding similarity, and shared categories. The closest are LangSmith, Arize Phoenix, Helicone.
Arize Phoenix is an open-source alternative to Langfuse listed in this ranking.
Alternatives are ranked by verified relationships, semantic similarity, and category overlap.
