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Langfuse vs TanStack

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

Option A
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 →
Option B
TanStack

TanStack

Developer Tools

Headless, type-safe & powerful utilities.

TanStack provides Query, Router, Form, Table, and other framework-agnostic tools that power millions of apps.

Founder
Tanner Linsley
Founded
2017
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View TanStack →

See more alternatives

Langfuse alternatives →TanStack alternatives →