These tools competes with

AgentavsLangfuse

OSS prompt management and LLM eval platform versus OSS LLM engineering platform (acquired by ClickHouse, Jan 2026)

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Choose Agenta when…

  • •You want an open-source LLM ops and eval platform
  • •Self-hosting your prompt management stack is important
  • •Collaborative prompt engineering with a team is needed

Choose Langfuse when…

  • •You want open-source LLM observability
  • •Self-hosting your tracing stack is important
  • •You need cost tracking across models and users

Side-by-side comparison

Field
Agenta
Langfuse
Category
Prompt & Eval
Observability
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Cloud: Paid
Cloud: $59/mo
GitHub Stars
⭐ 2,000
⭐ 7,000
Health
●95 — Active
●95 — Active

Agenta

Open-source platform combining prompt management, human evaluation, and automated testing. Self-hostable alternative to commercial eval platforms.

Website ↗GitHub ↗

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with broad framework support. Acquired by ClickHouse in January 2026; OSS core continues with deeper ClickHouse-backed analytics.

Website ↗GitHub ↗

Shared Connections1 tools both integrate with

PromptFoo

Only Agenta (1)

Langfuse

Only Langfuse (30)

Claude CodeCrewAICursorLangGraphLangChainOpenHandsAutoGenLlamaIndexDifyMastra

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