We've found 12 companies using Langfuse among the 591,012 we've scanned so far. We only count a company when a direct public record backs it up.
What are the alternatives to Langfuse?
The most used alternatives in the same category are Anthropic (56,105 companies), OpenAI (30,170 companies), Perplexity (1,267 companies) and TollBit (936 companies).
How does runsonwhat know a company uses Langfuse?
We read public traces only. For Langfuse that means code loaded on the company's website, including tag managers and the company's published subprocessor list. Every match keeps the record it came from.
Google GeminiAI2402×more likely
Cal.comSales & CRM394×more likely
GitHubDev Tools394×more likely
AshbyPeople & HR362×more likely
ClerkAuth & Identity170×more likely
DiscordSupport & Docs59×more likely
PostHogAnalytics44×more likely
DatadogMonitoring39×more likely
NotionCollaboration35×more likely
SupabaseBackend & Database32×more likely
Vercel AnalyticsAnalytics28×more likely
StripePayments & Billing24×more likely