Agent Framework

LangGraph vs smolagents: Which is Better in 2026?

Choosing between LangGraph and smolagents? Both are popular agent framework tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Both LangGraph and smolagents are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences. In our catalog, LangGraph rates slightly higher (4.5 vs 4.1 out of 5).

LangGraph vs smolagents — Side by Side

LangGraphsmolagents
CategoryAgent FrameworkAgent Framework
PricingFreeFree
Starting priceFree tier availableFree tier available
Free tier
Rating4.54.1
Best forAgent Framework — ai, llmAgent Framework — ai, minimal

Pros & Cons

LangGraph
LangGraph
  • Fine-grained agent control
  • Great for complex multi-step flows
  • Open-source
  • Integrates with LangChain & LangSmith
  • Steeper learning curve
  • Newer than core LangChain
smolagents
smolagents
  • Small enough to read end to end in an afternoon
  • Code-as-action beats JSON tool calls for many tasks
  • Hugging Face Hub integration
  • Deliberately minimal — no orchestration layer
  • Running model-written code needs a sandbox

Key Features Compared

LangGraph

  • Free open-source library
  • Stateful agent graphs
  • Human-in-the-loop
  • Durable execution

smolagents

  • Code-writing agents
  • Roughly a thousand lines of core
  • Any model provider
  • Sandboxed execution options

Choose LangGraph if…

  • You want a free tier to validate before paying.
  • Fine-grained agent control
  • Great for complex multi-step flows
  • Open-source
LangGraph review & pricing

Choose smolagents if…

  • You want a free tier to validate before paying.
  • Small enough to read end to end in an afternoon
  • Code-as-action beats JSON tool calls for many tasks
  • Hugging Face Hub integration
smolagents review & pricing

Frequently Asked Questions

Is LangGraph better than smolagents?⌄

Both LangGraph and smolagents are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences. In our catalog, LangGraph rates slightly higher (4.5 vs 4.1 out of 5).

What is the difference between LangGraph and smolagents?⌄

LangGraph — Open-source library for building stateful, multi-step agent workflows as graphs — with a managed platform option. smolagents — Hugging Face's minimal agent library — agents that write and run Python. Both are agent framework tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

LangGraph vs smolagents: which is cheaper?⌄

LangGraph pricing: Free. smolagents pricing: Free. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, LangGraph or smolagents?⌄

In our catalog, LangGraph rates 4.5 out of 5 and smolagents rates 4.1 out of 5, so LangGraph has a slight edge on reviews.

See more options in our guide to the best agent framework tools for startups.

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