LangChain vs Turso
The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. Edge SQLite — libSQL at the speed of light
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
Turso
Free
100 DBs, 5 GB storage, 500M row reads/mo, 10M row writes/mo. No credit card.
Free
Developer
Unlimited DBs, 9 GB storage, 2.5B reads, 25M writes.
$5/mo
Scaler
24 GB storage, 100B reads, 100M writes. Teams + DPA support. Price is annual-billed.
$25/mo
Pro
50 GB storage, 250B reads, 250M writes. Teams, DPA, SSO, BYOK, HIPAA, SOC2, priority support. Annual billed.
$417/mo
Enterprise
White-glove support + unlimited usage + dedicated infra.
Custom
Free-tier quotas head-to-head
Comparing oss on LangChain vs free on Turso.
| Metric | LangChain | Turso |
|---|---|---|
| databases | — | 100 DBs |
| row reads month | — | 500000000 reads/month |
| row writes month | — | 10000000 writes/month |
| storage gb | — | 5 GB |
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).
Turso · 11 features
- Branching — Create DB branches from a primary for staging/test envs.
- BYOK Encryption — Bring your own encryption key (Pro+).
- Edge Routing — Requests route automatically to the nearest replica group.
- Embedded Replicas — Client-side local SQLite file that syncs from the primary — reads are <1ms local…
- libSQL — Turso's open-source SQLite fork with HTTP, WebSocket, and multi-writer support.
- libSQL Server (sqld) — Self-hostable server component. Runs libSQL as a service.
- Multi-Database — Create thousands of DBs cheaply — perfect for per-tenant / per-customer isolatio…
- Point-in-Time Restore — Rollback DB to any moment within backup window.
- Scheduled Backups — Automated point-in-time backups.
- SQLite Compatibility — Drop-in SQLite — same SQL dialect, same file format.
- Teams & RBAC — Org-level access control for Scaler+ tiers.
Developer interfaces
| Kind | LangChain | Turso |
|---|---|---|
| CLI | — | Turso CLI |
| SDK | @langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe | go-libsql, @libsql/client, libsql-experimental (Python), libsql-rs, libsql-swift |
| REST | LangGraph Platform | libSQL HTTP, Platform API |
| MCP | — | Turso MCP |
| OTHER | — | libSQL WebSocket, SQLite wire protocol |
Staxly is an independent catalog of developer platforms. Outbound links to LangChain and Turso are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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