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LangChain vs Fulcra

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

LangChain compared with Fulcra
DetailLangChainFulcra
What it doesThe open agent platform to own your intelligence The user-owned context backend for AI agents
StageEstablished Growing
Founded2023 Not given
Based inUS US
Pricing modelNot given freemium
PricingDeveloper plan is free for solo users with up to 5k base traces per month, then pay-as-you-go. Plus plan costs $39/seat/month with 10k base traces included. Enterprise plan offers custom pricing with advanced options. Not given
Key features
  • Agent observability with step-by-step tracing
  • Agent evaluation and scoring
  • Agent deployment infrastructure
  • Production monitoring with online evaluations
  • Autonomous agent improvement with Engine
  • Secure sandbox execution for agent-generated code
  • LLM Gateway for model call control
  • No-code agent builder Fleet
  • Open source frameworks for agent development
  • One user-owned context for every agent
  • Agents wake up to what changed since their last loop
  • Readable, traceable context with every change logged
  • End-to-end encryption with AES-256
  • Granular sharing controls with revocable access
  • Right to export, delete, and transparency
  • Context that travels across AI products and models
What makes it different
  • Comprehensive platform covering the entire agent development lifecycle from building to monitoring
  • Open source frameworks with options from quick-start to low-level control
  • Built-in observability and evaluation capabilities integrated into the platform
  • Support for long-running autonomous agents with Deep Agents framework
  • User-owned context that travels with you across AI products
  • Traceable agent activity with full visibility and control
  • Agents coordinate through shared context without learning being trapped in silos
  • End-to-end encryption with no data selling
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)87 no change since last check26 no change since last check
Trust Flow (Majestic)5620
Citation Flow (Majestic)6440
Referring domains (Majestic)28586593

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