Langchain
TL;DR中文
Open source起家的经典案例:LangChain框架几乎是每个做AI应用的人的第一站,靠LangSmith(observability/eval平台)变现。distribution极强,但收入规模相比估值还有很大差距——是这个list里"故事 vs. 数字"gap最明显的一家。
Worth-Joining Index · Scorecard
v2.1 ALPHA · 2026-08Career Score
56/100
Coverage
95%
Verified
0%
Stage cohort
Early
Vibe Check
🎪 community voting coming soon
Latest valuation
$1.25B(post-money,2025年10月Series B)
Total raised
~$260M
Team size
第三方口径不一:Tracxn显示369人
Traction · Key numbers
Funding
Total raised
~$260M
Rounds
3
$125M
Series B · 2025-10 · valuation $1.25B(post-money,2025年10月Series B) · led by IVP
With: Sequoia, Benchmark, Amplify, CapitalG(新进), Sapphire(新进), ServiceNow, Workday, Cisco, Datadog, Databricks · The strategic investor lineup is telling — ServiceNow, Workday, Cisco, Datadog, and Databricks all came in
$25M
Series A · 2023-04 · led by Sequoia
One week after the seed round
$10M
Seed · 2023-04 · led by Benchmark
▸Strategic investors (ServiceNow/Workday/Cisco/Datadog/Databricks) are both endorsement and distribution channels
▸One week after Benchmark's seed round, Sequoia put in a $25M Series A
Founders
Harrison Chase CEO
Started LangChain as an open-source project in 2022; incorporated the company in April 2023
Ankush Gola Co-founder
Co-founder
Reality · Working here
·You build what developers use every day, so the work is highly visible externally — open-source contributions and technical blogging are personal brand you take with you
·Developer sentiment has always been polarized (a reputation for 'over-abstraction')
Signals & Risks
Editorial ✎
Good fit for
· People who love open source and want to be deeply involved in defining the agent engineering paradigm
· People who want to build industry influence — resume value this strong is rare
Ask in the interview
1. Be mentally prepared: product direction may shift frequently as foundation model capabilities evolve
Data changelog
Community corrections → editorial review → applied, fully on the record
data as of 2026-08 · Source: LangChain Careers (Ashby job board) ↗
data as of 2026-08 · Source: LangChain Careers (Ashby job board) ↗
data as of 2025 · Source: h1bdata.info (DOL LCA disclosure data) ↗
data as of 2026-08 · Source: Levels.fyi ↗
Sponsorship
✓ Publicly verifiable · government dataH-1B recent sponsorship activity Latest
DOL LCA Disclosure Data · FY2024 – FY2026 Q2 ↗| Fiscal year | LCAs certified | Positions | Avg salary |
|---|---|---|---|
| FY2026 | 4 | 4 | $186k |
| FY2025 | 4 | 4 | $173k |
✓ Langchain has been filing LCAs for H-1B roles recently — actively sponsoring. An LCA is the required first step of an H-1B petition — the most direct public signal of whether a company sponsors right now.
H-1B approval history
USCIS H-1B Employer Data Hub · FY2021–2023 ↗No approvals in FY2021–2023. Most companies on the list were founded after 2022, so missing early records is normal — it doesn't mean they don't sponsor today. Confirm in interviews, or ask insiders in the group.
PERM green cards
DOL PERM Disclosure Data · FY2025 – FY2026 Q2(至2026年3月) ↗No records for this company in the imported PERM data. Green-card processes usually start once a company matures.
Want to check another company?Sponsorship lookup →
Editorial deep dive · Members only
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