
What AI does Langfuse use?
Langfuse uses one AI tool on usedby: Resend. Resend lists Langfuse as a customer on its own website. The tool links to the public page that names Langfuse.
Langfuse among DevTools & Infrastructure companies
335 DevTools & Infrastructure companies on usedby, public proof only. A company can use tools that no public page names.
AI tools per company
- 190 companies with 1 tool
- 51 companies with 2 tools
- 27 companies with 3 tools
- 12 companies with 4 tools
- 10 companies with 5 tools
- 8 companies with 6 tools
- 7 companies with 7 tools
- 30 companies with 8 tools or more
Median: 1 tool. None of its 334 peers uses fewer.
These counts cover public proof only. A company can use tools that no public page names.
Other DevTools & Infrastructure companies on Resend
Vercel32 AI tools
Replit24 AI tools
Mastra7 AI tools
Mintlify7 AI tools
Supabase7 AI tools
Braintrust3 AI tools
Common Room is the most used AI tool in this industry30 of the 335 DevTools & Infrastructure companies on usedby use it.Questions about AI at Langfuse
What AI tools does Langfuse use?
Langfuse uses 1 AI tool (1 observed): Resend.
Does Langfuse use Resend?
Yes. Resend: observed, the vendor shows Langfuse on its own pages.
Which AI tool do DevTools & Infrastructure companies use most?
Common Room is the most used AI tool among the 335 DevTools & Infrastructure companies on usedby: 30 of them use it. See who uses Common Room.
How does Langfuse compare to other DevTools & Infrastructure companies?
Langfuse uses 1 AI tool. The median among the 335 DevTools & Infrastructure companies on usedby is 1, and 0 of its 334 peers use fewer tools. These counts cover public proof only.
What do confirmed, observed and signal mean?
Confirmed: a case study, a named quote or a press release. Observed: the vendor shows Langfuse on its own pages, for example a logo wall. Signal: a job post shows Langfuse’s employees use the tool, the weakest proof. Every level counts, and each line shows its level.
How current is this page?
The most recent check was on November 13, 2026. 1 of the 1 line have been checked so far, from 1 public source.
How does usedby know which AI tools Langfuse uses?
Each tool is linked to a public page that names Langfuse: a vendor's customer page, a published case study, a press release or a job post. We save most pages with a dated capture and check them again on each run. A tool leaves the list only after three checks in a row that no longer find Langfuse, and at least 14 days after it was last seen. A tool with a published case study or quote is never removed automatically.
Where this data comes from
One proof level
Cite this page
UsedBy.ai (2026). What AI does Langfuse use? 1 tool. Retrieved from https://www.usedby.ai/companies/langfuse, latest check November 13, 2026.