These tools integrates with
LangfusevsPortKey
OSS LLM engineering platform (acquired by ClickHouse, Jan 2026) versus AI gateway with routing, fallbacks, and caching
Compare interactively in Explore →Choose Langfuse when…
- •You want open-source LLM observability
- •Self-hosting your tracing stack is important
- •You need cost tracking across models and users
Choose PortKey when…
- •You want LLM gateway with caching and guardrails
- •Enterprise-grade LLM routing with reliability is needed
- •You need audit logs and compliance controls
Side-by-side comparison
Field
Langfuse
PortKey
Category
Observability
LLM Infrastructure
Type
Open Source
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Cloud: $59/mo
Growth: $49/mo
GitHub Stars
⭐ 7,000
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Health
●95 — Active
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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.
PortKey
Production AI gateway with smart routing, automatic fallbacks, semantic caching, and full observability. Drop-in replacement for direct LLM calls.
Shared Connections3 tools both integrate with
Only Langfuse (28)
Claude CodeCrewAICursorLangGraphOpenHandsAutoGenLlamaIndexDifyMastraAgno
Only PortKey (3)
Anthropic APILangfuseCloudflare AI Gateway
Explore the full AI landscape
See how Langfuse and PortKey fit into the bigger picture — 235 tools, 543 relationships, all mapped.