LangChain vs Tally
The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. Free, unlimited online forms — the Notion-style form builder
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
Tally
Free
$0. Unlimited forms, unlimited responses, unlimited fields. Tally branding. Basic question types.
Free
Pro
$29/mo. Remove branding, custom domain, conditional logic, calculations, form logic, file uploads, Stripe integration, webhooks.
$29/mo
Business
$89/mo. Workspaces, custom email domain, priority support, team collaboration.
$89/mo
Free-tier quotas head-to-head
Comparing oss on LangChain vs free on Tally.
| Metric | LangChain | Tally |
|---|---|---|
| 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).
Tally · 13 features
- Calculator + Variables — Formulas + variables in questions (Pro).
- Conditional Logic — Show/hide, skip logic (Pro).
- Custom Domain — forms.yoursite.com (Pro).
- Embed Anywhere — Inline, popup, slider — any site.
- E-Signatures — Signature capture block.
- File Uploads — Accept file attachments (Pro).
- Notion-like UX — Block-based editor with slash commands.
- Question Types — 20+ field types (text, choice, file, rating, signature).
- Stripe Payments — Accept payments via Stripe (Pro).
- Template Library — 1,000+ community templates.
- Unlimited Free Plan — Unlimited forms + responses on Free.
- Webhooks — Real-time submission events (Pro).
- Workspaces — Team collaboration (Business).
Developer interfaces
| Kind | LangChain | Tally |
|---|---|---|
| SDK | @langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe | Popup / Slider API |
| REST | LangGraph Platform | Tally API |
| OTHER | — | Form Embed Script, Tally Web Editor, Tally Webhooks |
Staxly is an independent catalog of developer platforms. Some links to LangChain and Tally may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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