Dify vs Voiceflow

In short

• Both: Choice of models, API, Builds agents and workflows, Search over your data, Traces and evaluates
• Only Dify states: Self-hosted

Dify

Dify lets teams build, test, deploy, and monitor AI apps, agents, workflows, and RAG pipelines in the cloud or on private infrastructure.

Plans

Sandbox

Free

• 200 message credits
• 1 Team Workspace
• 1 Team Member
• 5 Apps
• 50 Knowledge Documents
• 50MB Knowledge Data Storage

Professional

• $590 per workspace / year

• 5,000 message credits / month
• 1 Team Workspace
• 3 Team Members
• 50 Apps
• 500 Knowledge Documents
• 5GB Knowledge Data Storage

Enterprise

Price on request

• Enterprise-grade Scalable Deployment Solutions
• Commercial License Authorization
• Multiple Workspaces & Enterprise Management
• SSO
• Advanced Security & Controls
• Professional Technical Support

Prices checked 2026-09-25 by web search.

Capabilities

• Choice of models — “Credits are provided to help you easily try out different models from OpenAI, Anthropic, Gemini, xAI, Tongyi in Dify.” source
• Self-hosted — “Self-host or run in your VPC.” source
• API — “Publish Dify apps as hosted experiences, API endpoints, embeds, or MCP-compatible tools.” source
• Builds agents and workflows — “Build an agent by chatting or configuring it manually.” source
• Search over your data — “Prepare searchable knowledge bases” source
• Traces and evaluates — “Use logs, feedback, annotations, latency, and usage data to understand what happened and improve the app over time.” source

Latest updates

• 2026-09-01 v1.17.0 (v1.17.0)

  Adds an E2B sandbox backend, build-time home snapshots, and skill management.

• 2026-09-01 v1.16.0 (v1.16.0)

  Launches Dify Agent (Beta), with a UI builder for agents that run in a Linux sandbox.

Voiceflow

Voiceflow helps teams build, test, deploy, and monitor AI agents for customer conversations across chat, voice, and other channels.

Plans

Not read from the maker’s page yet.

Prices checked 2026-09-25 on the maker’s page.

Capabilities

• Choice of models — “Use any AI vendor, including OpenAI and Anthropic, to power agent responses, logic, and actions.” source
• API — “Launch Agents with Voiceflow's web chat UI or any custom interface using the Dialog API.” source
• Builds agents and workflows — “Teams use Voiceflow as a central collaborative platform to build, launch, and scale AI Agents for any use case.” source
• Search over your data — “Build a knowledge base Import data and documents to the Knowledge Base to allow Agents to respond using curated data.” source
• Traces and evaluates — “LLM-powered evaluations give you custom insights at scale, helping teams make faster decisions about agent iterations.” source

Security

• SOC 2 Type II — “SOC 2 Type II” source
• SOC 2 — “SOC 2 Type II” source
• ISO 27001 — “ISO 27001” source
• GDPR — “GDPR View compliance” source
• HIPAA — “HIPAA View compliance” source
• Not trained on your data — “Voiceflow does not use customer data to train any machine learning or AI models.” source

Latest updates

• 2026-09-24 Live agent handoff

  Users on all plans can add the Handoff step to a chat agent and route conversations to a live agent.

• 2026-09-16 Voiceflow Core 4.2 (4.2)

  Voiceflow Core 4.2 has been released as the newest agent model; agents running 4.1 will move to 4.2 automatically.

• 2026-09-10 Instruction patching

  Agent instructions, global prompts, and playbook instructions can be read, searched, and patched line by line through the API.