Agent infrastructure

LangChain

Open-source agent frameworks (LangChain, LangGraph) and the LangSmith observability platform.

langchain.com · LinkedIn · Data run November 13, 2026

Momentum, week of November 9, 2026

64 from 5 of 5 signals

Agent infrastructure: #9 of 18

Signal percentiles: Headcount change, 3 months 93; Web traffic change, 3 months 51; Tranco rank movement, ~30 days 38; Recency of last funding round 44; Launch and discussion activity, 90 days 93.

What the data says

Positive signals

Headcount grew +57.1% over three months (as of Jul 21, 2026).
Web traffic up 9.8% over three months (as of May 31, 2026).
Tranco top-sites rank climbed 12.7% over about 30 days.
5 Hacker News stories linked to the company in 90 days.

Watch-outs

No round found since Oct 2025.

Key facts

Headquarters: San Francisco, California, United Statessource
Founded: 2022source
Last round: Series B, $125M (Oct 2025)sourceas of round date Oct 20, 2025
Headcount: 385sourceas of Jul 21, 2026
Headcount change: 3m +57.1% · 12m +65.2%as of Jul 21, 2026
Monthly web visits: 3.1Msourceas of May 31, 2026
Web traffic change: 3m +9.8% · 12m +21.3%as of May 31, 2026
Tranco top-sites rank: #12,632sourceas of Nov 12, 2026
Tranco rank, ~30 days: +12.7%as of 2026-10-15 to 2026-11-12
LinkedIn followers: 533Ksource
Hacker News stories, 90 days: 5source