LangChain vs Voiceflow
A side-by-side comparison to help you choose between LangChain and Voiceflow.
| LangChain | Voiceflow | |
|---|---|---|
| Description | Open-source agent framework and LangSmith platform for building, testing, deploying, and monitoring reliable AI agents. | Visual platform for building, deploying, and monitoring production chat and voice AI agents across customer channels. |
| Category | 自动化 Agent 与集成 | 自动化 Agent 与集成 |
| Pricing | freemium · LangChain and LangGraph are free open-source frameworks. LangSmith pricing starts with a Developer plan at $0/seat/month, then usage-based billing after included trace limits. Plus costs $39/seat/month and adds team features, deployment access, Sandboxes, Engine, email support, and higher included trace volume. Enterprise is custom and adds custom seats, trace volume, SSO/RBAC, SLA, annual contracts, and cloud/hybrid/self-hosted options. | freemium |
| Rating | 4.4 | 4.3 |
| Features | Tracing and observabilityEvaluation and scoringAgent deploymentSandboxed code executionNo code Fleet agentsMulti framework support | Design intelligent workflowsDeploy across voice and chatAgentic Context EngineMultiple LLM providersReal time observabilityTeam collaboration with roles |
| Website | Visit | Visit |
Template
Run Your Own AI Directory
Everything this site runs on — the directory, the pipelines, the admin console — delivered as one template you deploy and own.
AI Workflow Center
Launch price$89 once- Full Next.js source code + 10 pipelines
- Admin console with built-in analytics
- Agent Skills for zero-config setup
- Self-hosted — no recurring platform fees
One-time purchase · Instant source download · Deploy on any VPS