Directory / Agent Frameworks & Builders
LangChain
Frameworks (LangChain, LangGraph) and LangSmith for agent engineering
Headcount
469
▲ 18.7%▲ 62.0%3m · 6m
src: Clay (LinkedIn headcount)
X followers
272.6K
——7d · 30d
src: X API public metrics 2026-11-04
Traffic / month
3.2M
src: Semrush
// profile
Product
- Agent type
- Agent engineering platform for observing, evaluating, and deploying AI agents.
- Primary buyer
- Engineering teams; the platform also supports non-technical teams through no-code agents.
- Integrations
- Native support for MCP (Model Context Protocol), A2A, and Agent Protocol; it can connect to an existing agent stack using standards such as MCP and A2A.
- HQ
- San Francisco, CA, United States
- Founded
- —
- Profile ↗
// capital
Funding
- Date
- Oct 20, 2025
- Source
- Announcement ↗
- Investors
- Amplify, Benchmark, CapitalG, Cisco Investments, Databricks Ventures, Datadog Ventures, Frontline, IVP, Sapphire Ventures, Sequoia, ServiceNow Ventures, Workday Ventures
// team
Hiring
- Employees
- 469
- Growth 3m / 6m
- +18.7% / +62.0%
- Open roles (sample)
- EMEA Deal Strategy & Operations Lead
- Deployed Engineer (Charlotte)
- Deployed Engineer (Chicago)
- Order Management Operations & Automation
- Deployed Engineer, Professional Services
- Enterprise Account Executive (Boston)
- Frontend Engineer, AI Observability & Evals Platform
- Account Manager, Renewals & Expansion (West Coast)
- X mentions this week
- 429
- X handle
- @LangChain
src: Clay (LinkedIn headcount)
src: Clay (LinkedIn headcount)
src: Clay open jobs
src: X API public metrics 2026-11-04
// x.com
Top launch posts
- Oct 28, 2026 · launch · 66 eng.You’re an mda init and mda deploy away from distributing a proactive agent in your org. Since launching dynamic scheduling for Managed Deep Agents in September, over 70% of MDA runs on LangSmith co
- Oct 29, 2026 · launch · 53 eng.Managed Deep Agents 0.10: Now available in public beta 🌐 Browser use: Your agent can now work on websites with no API 💬 Async subagents: Run long tasks in the background while your agent keeps tal
- Nov 3, 2026 · launch · 36 eng.LangSmith Bring Your Own Cloud (BYOC) now runs on @AWScloud, @Azure, + @GoogleCloud. Your traces and agent deployments stay in your cloud account while we run the data plane. ☁️ GA on AWS, Beta on A
- Nov 3, 2026 · launch · 27 eng.Proud to be a launch partner in the @FireworksAI_HQ Frontier Ecosystem! https://t.co/Q8DbF5CIDy
- Oct 28, 2026 · launch · 20 eng.LangChain is returning to re:Invent. A TL;DR: 📍 Meet us at Booth #1740 🎙️ Talks + Panels throughout the week 🗓️ Co-hosted events featuring breakfasts, networking, dinners, and more See what we’re
- Nov 2, 2026 · launch · 14 eng.Interested in a career with LangChain? On November 12th, come to our NYC Office to meet the team and kickstart your sales career in a Sales Development Representative (SDR) role. RSVP ⤵️ https://t.
- Nov 2, 2026 · launch · 0 eng.Interested in a career with LangChain? On November 12th, come to our NYC Office to meet the team and kickstart your sales career in a Sales Development Representative (SDR) role. RSVP: https://t.co
// press
Recent news
// awaiting data
No news tracked yet
This view fills in automatically once the weekly dataset is loaded.
// provenance
Sources
- Headcount
- Clay (LinkedIn headcount)
- Open jobs
- Clay open jobs
- Traffic
- Semrush
- X metrics
- X API public metrics 2026-11-04
- X handle (homepage-verified)
- —
- x_buzz
- X API recent counts, 7 days to 2026-11-04
// faq
About LangChain
What does LangChain do?+
Frameworks (LangChain, LangGraph) and LangSmith for agent engineering
How much has LangChain raised most recently?+
Series B of $125M on Oct 20, 2025, led by IVP.
How many employees does LangChain have?+
About 469 (3-month growth +18.7%).
How is LangChain priced?+
per-seat with usage-based overages, starting at $39 per seat/month.