LangfuseOpen-source tracing, evaluation, and prompt management for language-model applications.
- Sector
- Developer tools
- Customers
- ai teams
- Model
- usage-based
- Funding
- Venture-backed
- Pricing
- Pricing not documented in this profile; check the company website.
- Launches
- Not disclosed
Disclosed funding rounds
Round totals, not individual investor contributions. Historical disclosures may include debt or secondary transactions as labeled.
Disclosed metrics
Companies using Langfuse: 50,000+ companiesCompany homepage snapshot; not all identified as paying · Observed 2026-09-24Source ↗