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LangGraph

LangChain · Agent frameworks
Graph-based agent orchestration with durable state.

LangGraph models agents as stateful graphs with checkpointing, human-in-the-loop and streaming, deployable on LangGraph Platform.

3.0(1)Open source · LangGraph Platformused by 324+ StackOpen LangGraph ↗

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Blacksmith raises $66M Series C led by Sequoia Capital at $1B valuationTechCrunch · Oct 21

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What worked, what broke · 1 review

3.0
out of 5
@sammyharrison58
Sammy HarrisonOct 2026 · 3 months in
Senior System Engineer at Harris Apex · $0–$100K ARR
Worked: Powerful graph-based control for complex multi-step agents. Great persistence and human-in-the-loop support.
Broke: Higher complexity and learning curve than lighter frameworks.
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Who uses LangGraph · 315

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@preetham
Preetham Reddy$10M–$25M ARR
Founder & CEO · Tech Fabric LLC · Gilbert
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Matt Roche$10M–$25M ARR
Founder and CEO · Extole · San Francisco
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Sergous Peace$3M–$10M ARR
Founder and CEO · ANUKA · Miami
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@kevinyunai
Kevin Yunai$3M–$10M ARR
Founder · RWA Inc · Copenhagen
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Felipe Marcos de Abreu Aquino$1M–$3M ARR
CEO fundador · Impulso Digital · Brasília
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Christian Gomez$1M–$3M ARR
CEO & Founder · Lety.ai · Miami
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Vishal Gupta$1M–$3M ARR
Co-Founder · Stealth Mode · Washington
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Talha Fakhar$1M–$3M ARR
Founder · TF Business Solutions · Lahore
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Richard Samuel$1M–$3M ARR
Founder & CEO · DexKor · Gurugram
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Daniel Armani$100K–$1M ARR
Principal Data Scientist · PaperScore · San Francisco
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@codewithpassion
Dominik Fretz$100K–$1M ARR
Founder & Principal comsultant · Harbour Edge Intelligence · Sydney
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@lukewealth
Luke Okagha$100K–$1M ARR
Founder · www.lukeokagha.com · Abuja
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Bogdan Brkic$100K–$1M ARR
Co-Founder & CEO · Next Halo · Belgrade
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@harshal201286
Harshal Trivedi$100K–$1M ARR
Founder CEO · Tusker.ai · Ahmedabad
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@danielezichi
Daniel Ezichi$100K–$1M ARR
Founder & CEO · Founder @ Fashionistar Clothings | Ex-Backend Intern @ Klout Machine (USA) · Lagos
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@valentinc94
Valentin Castillo Contreras$100K–$1M ARR
Founder & CTO · QueryBlocks · Porto
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Anthony McAniff$100K–$1M ARR
Founder & Principal Engineer · Blue Sail Technologies · New York
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@dusano
Dusan Omercevic$100K–$1M ARR
CEO & Founder · *codeplain · Ljubljana
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@brainworkup
Joey Trampush$100K–$1M ARR
Founder & Chief Neuropsychologist · brainworkup · Los Angeles
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@jonatansalas
Jonatan E. Salas$100K–$1M ARR
Co-Founder & CEO · BlackBoxVision · Costa Chica
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