Features
Modular LLM components (ChatModel, AgenticModel, Tools, Memory)
Chain, Graph, and Workflow orchestration
Agent Development Kit with ChatModelAgent, Plan-Execute, DeepAgents
Human-in-the-loop via Interrupt/Resume with checkpointing
Streaming programming with CallOption and A2UI Protocol
Observability via Callback, Trace, and Eino Dev visual debugger
Middleware for cross-cutting concerns (Skill, ChatModelAgent)
Multi-agent collaboration and routing
File system access tools (Local, Ark Sandbox)
Document parsing, transformation, embedding pipeline
Timeout, retry, failover, breakpoint execution
Schemeless LLM tool calling (AgenticToolsNode)
Structured output via JSON Schema optimization
Eino Dev IDE plugin for visual orchestration
Autonomous planning, coding, and PR creation
FrontierCode evaluation for merge-worthiness
Auto-Triage: automated bug monitoring and fix PRs
Native Windows VM support for building and testing
Android emulator integration for mobile testing
Devin Desktop: Windsurf IDE + Devin Cloud + Agent Command Center
Devin Security Swarm: vulnerability find and fix
Devin Fusion: hybrid-model cost savings
Session persistence across runs for long tasks
Multi-step engineering task execution end-to-end
Auto-fixes for review comments in PRs
Integration with GitHub, Slack, Jira, Linear, Datadog
Human-equivalent hour productivity measurement
$10M AI Productivity Guarantee for enterprises
Support for large, complex codebases