CopilotKit vs LangGraph

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-09-29
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At a glance

DimensionCopilotKitLangGraph
Pricingfreemium · from Free $0/mofreemium · from Developer $0/seat per month
Best forReact teams shipping a copilot or assistant inside an existing product, Developers who need agents to render real React components, not just text repliesBackend and platform engineers building production agents, Teams needing fine-grained control over agent workflows
Standout featuresCopilotChat, CopilotSidebar, and CopilotPopup drop-in chat surfaces · Generative UI that renders real React components from agent output · Headless UI for full control over every pixelGraph-based state management for agent control flow · Human-in-the-loop checkpoints to steer and approve agent actions · Built-in memory storing conversation histories across sessions
Viability score87/10081/100
APIYesYes

CopilotKit is the stronger pick for react teams shipping a copilot or assistant inside an existing product; LangGraph fits better for backend and platform engineers building production agents.

Built from live tool data, last verified 2026-09-29.

CopilotKit
CopilotKit

The frontend stack for agentic user experience — drop-in chat, generative UI, and shared state for React apps on any AG-UI backend

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LangGraph
LangGraph

MIT-licensed agent runtime and low-level orchestration framework for building reliable, stateful AI agents.

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Pricing
Freemium
Freemium
Plans
$0/mo
Custom
$0/seat per month
$39/seat per month
Custom
Popularity
5.8k views
3.1k views
Skill Level
Intermediate
Advanced
API Available
Platforms
Web
API
Categories
📦 LLM App Frameworks & SDKs🕸️ Agent Frameworks & Orchestration
🕸️ Agent Frameworks & Orchestration📡 LLM Observability & Evals
Features
CopilotChat, CopilotSidebar, and CopilotPopup drop-in chat surfaces
Generative UI that renders real React components from agent output
Headless UI for full control over every pixel
Rich Threads persist messages, generative UI, and tool activity across sessions and devices
Shared state between agent and application keeps conversations grounded in the current view
Human-in-the-loop workflows for approvals, edits, and corrections
Built-in in-process agent to start building without an external backend
Any AG-UI compatible backend, including LangGraph, Google ADK, AWS Strands, and Mastra
Claude Agent SDK integration with generative UI, shared state, HITL, sub-agents, and streaming
WebMCP support on React 19 for exposing app functionality to agents
Channels SDK for deploying agents into Slack and Microsoft Teams
A2A and MCP handshake support for agentic interoperability
Support for A2UI, Open-JSON-UI, and MCP Apps generative UI specifications
Automatic Learning turns real usage into skills that improve the agent
User Memories and sub-agents for richer agent capability
Graph-based state management for agent control flow
Human-in-the-loop checkpoints to steer and approve agent actions
Built-in memory storing conversation histories across sessions
Token-by-token streaming of agent reasoning and actions
Single-agent, multi-agent, and hierarchical architectures in one framework
Low-level primitives for fully custom agent design
Model-agnostic: works with any LLM provider
Sandboxed code execution for agent-generated code
Prompt caching
Agent self-evaluation
MCP support including stateless protocol and elicitation
Integrates with the Deep Agents harness for long-running tasks
LangSmith observability, tracing, and evaluation
LLM Gateway runtime controls: cost limits, rate limiting, fallbacks, PII redaction
Deployment with scale-to-zero and cron scheduling
Integrations
Slack
Microsoft Teams
LangGraph
LangChain Deep Agents
Google ADK
AWS Strands
Mastra
Claude Agent SDK
PydanticAI
Microsoft Agent Framework
AG2
Agno
LlamaIndex
CrewAI
OpenAI
Anthropic
Google
Ollama
Azure
AWS Bedrock
HuggingFace
Fireworks
Baseten
Mistral
Meta
OpenRouter
NVIDIA

Frequently Asked Questions

Which is better, CopilotKit or LangGraph?

The best choice between CopilotKit and LangGraph depends on your specific use case — we compare them independently on features, current pricing, integrations, and real-world signals (with an on-demand sentiment scan available for each). See the side-by-side breakdown above to match them to your needs.

What are the main differences between CopilotKit and LangGraph?

The key differences include pricing model, feature set, platform support, and skill level requirements. Review the full comparison on RightAIChoice for a detailed breakdown.

Is there a free version of CopilotKit or LangGraph?

Check the pricing section in the comparison for the latest pricing details on both tools, including free tiers, trial options, and paid plans.

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Explore each tool further

CopilotKit
View CopilotKit reviewCopilotKit alternatives
LangGraph
View LangGraph reviewLangGraph alternatives

Browse these categories

Best AI LLM App Frameworks & SDKs toolsBest AI Agent Frameworks & Orchestration toolsBest AI LLM Observability & Evals tools
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Last reviewed: May 12, 2026