LangChain vs Cody
The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. AI coding assistant by Sourcegraph — code graph + enterprise codebase context
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
Cody
Cody Free
$0. 500 autocompletes + 20 chat messages/mo. Claude Sonnet + GPT-4o-mini.
Free
Cody Pro
$9/user/mo. Unlimited autocomplete, unlimited chat, premium LLMs (Claude Opus, GPT-5).
$9/mo
Enterprise Starter
$19/user/mo. Adds advanced context (code graph), SSO, centralized billing.
$19/mo
Enterprise
$59/user/mo. On-prem deploy option, full Sourcegraph platform, audit logs, SLA.
$59/mo
Free-tier quotas head-to-head
Comparing oss on LangChain vs free on Cody.
| Metric | LangChain | Cody |
|---|---|---|
| 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).
Cody · 17 features
- Audit Logs — Enterprise compliance.
- Autocomplete — Inline code completion.
- Batch Changes (Enterprise) — Large-scale automated refactors.
- Chat — Conversational AI with @-context.
- Code Graph Context — Automatic dependency-aware context.
- Commands (Slash) — Pre-built prompts (/explain, /doc, /test).
- Custom Prompts — Shareable team-level prompt library.
- Inline Edit — Highlight code → edit via natural language.
- JetBrains Plugin — IntelliJ/PyCharm/WebStorm/etc.
- @ Mentions — Add files/symbols/URLs as context.
- Multi-LLM Selection — Pick Claude/GPT/Gemini per request.
- Neovim Plugin — Nvim integration.
- On-Prem Deploy (Enterprise) — Self-host full Sourcegraph + Cody.
- OpenCtx Extensions — Third-party context providers.
- Prompts Library — Team-wide reusable prompts.
- SSO (Enterprise) — SAML + OIDC.
- VS Code Extension — Primary IDE.
Developer interfaces
| Kind | LangChain | Cody |
|---|---|---|
| CLI | — | src CLI (context tool) |
| SDK | @langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe | — |
| REST | LangGraph Platform | Cody API (Enterprise) |
| OTHER | — | Cody for JetBrains, Cody for Neovim, Cody for VS Code, Sourcegraph Cloud Web |
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