LangChain vs GitHub Copilot
The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. AI pair programmer — the original AI coding assistant from GitHub/Microsoft
Pricing tiers
LangChain
OSS (MIT)
MIT-licensed core library. Free forever. Python + JS.
$0 base (usage-based)
LangSmith (see entry)
Observability layer — Developer free, Plus $39/seat. Separate platform.
$0 base (usage-based)
LangGraph Platform — Developer
Deploy LangGraph agents as an API. Free tier — limited execution minutes.
$0 base (usage-based)
LangGraph Platform — Plus
$39/seat/mo (tied to LangSmith Plus). More execution credit. Production features.
$39/mo
Enterprise
Custom. Self-host, dedicated support, SSO.
Custom
GitHub Copilot
Free
50 agent/chat requests + 2,000 completions/month. Haiku 4.5 + GPT-5-mini. Copilot CLI included.
Free
Pro
$10/user/mo. Unlimited agent + chat with GPT-5-mini, 300 premium requests, unlimited inline completions, Claude + Codex.
$10/mo
Pro+
$39/user/mo. 1,500 premium requests, Claude Opus 4.6, all models, GitHub Spark preview, third-party coding agent delegation.
$39/mo
Business
$19/user/mo (contact sales). Everything in Pro + organization license, audit logs, org policies, SSO.
Custom
Enterprise
$39/user/mo. IP indemnification, organization-wide knowledge bases, pull-request agents, fine-grained controls.
Custom
Free-tier quotas head-to-head
Comparing oss on LangChain vs free on GitHub Copilot.
| Metric | LangChain | GitHub Copilot |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
LangChain · 18 features
- Agents — Tool-using agents with reasoning loops.
- Chains (LCEL) — LangChain Expression Language — pipe primitives into chains.
- Checkpointers (LangGraph) — Persist agent state to SQL, Mongo, Redis, Postgres.
- Document Loaders — 150+ loaders for PDF, HTML, Notion, Google Drive, S3, GitHub, etc.
- Human-in-the-loop — Pause agent for approval, then resume.
- LangGraph — Stateful graph-based agent runtime. Durable, replayable, human-in-the-loop.
- LangGraph Platform — Managed hosting for LangGraph agents with state persistence.
- LangGraph Studio — Desktop IDE for debugging agent graphs.
- LangServe — Deploy chains as FastAPI endpoints.
- Memory — Buffer, summary, entity, vector memory stores.
- Output Parsers — Structured JSON, Pydantic schemas, function calling.
- Prompt Templates — Templating + partial filling + output parsers.
- RAG (Retrieval-Augmented Generation) — Standard patterns + 50+ retrievers.
- Streaming — First-class streaming at every layer.
- Subgraphs — Compose agent graphs hierarchically.
- Text Splitters — Recursive, token, semantic splitters for chunking.
- Tools — 400+ pre-built tools (web search, code, databases, APIs).
- Vector Store Integrations — 60+ vector DBs (Pinecone, Chroma, Weaviate, PGVector, Qdrant, Milvus).
GitHub Copilot · 16 features
- Agent Mode — Multi-step autonomous edits with tool use. In VS Code.
- AI Commit Messages — Auto-generate commit messages from diffs.
- Business Policies — Admin controls: disable chat, public code filter, audit logs.
- Chat with Repos / Docs — @github mentions to reference repos, wikis, docs.
- Copilot Chat — Sidebar chat inside editor with file context + /commands.
- Copilot Code Review — AI reviewer on pull requests. Suggests changes inline.
- Copilot Coding Agent — Background agent that implements issues + opens PRs.
- Copilot in CLI — GitHub CLI + `gh copilot suggest` / `explain`.
- GitHub Spark (Pro+) — No-code-style app builder inside Copilot.
- Inline Completion — Ghost-text suggestions as you type. Tab to accept.
- Knowledge Bases (Enterprise) — Index docs/repos as context for chat.
- PR Summaries + Q&A — AI-generated PR descriptions + Q&A on changes.
- Slash Commands — /explain, /fix, /tests, /docs, /simplify, /review.
- Third-Party Agent Delegation (Pro+) — Delegate tasks to Devin, Jules, Claude Code agents.
- Voice Chat (preview) — Talk to Copilot hands-free.
- Workspace (Preview) — Full-repo task planning + execution.
Developer interfaces
| Kind | LangChain | GitHub Copilot |
|---|---|---|
| CLI | — | GitHub Copilot CLI |
| SDK | @langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe | — |
| REST | LangGraph Platform | Copilot REST API |
| OTHER | — | Copilot Chat (Web), JetBrains Plugin, Neovim Plugin, VS Code Extension, Xcode Extension |
Staxly is an independent catalog of developer platforms. Outbound links to LangChain and GitHub Copilot are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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