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Helicone vs Langfuse

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Helicone

Helicone

Developer Tools

Observability for LLM applications.

Helicone is an open-source LLM observability platform — logs, caching, and analytics for OpenAI and Anthropic apps.

Founder
Justin Torre
Founded
2023
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Helicone →
Option B
Langfuse

Langfuse

Developer Tools

Open-source LLM engineering platform.

Langfuse provides traces, evals, and prompt management for LLM apps — fully open-source and used by thousands of indie AI builders.

Founder
Maximilian Deichmann
Founded
2023
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Langfuse →

See more alternatives

Helicone alternatives →Langfuse alternatives →