Softwr

Machine Learning · head to head

BentoML vs LangChain

BentoML logo

BentoML

Machine Learning

Build production-ready ML applications

From
Free
Rated
-
Full reviewWebsite
LangChain logo

LangChain

Machine Learning

Build applications with LLMs through composability

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: BentoML core BentoML framework is Apache 2.0 and free, but the managed BentoCloud enterprise tier has no published pricing: the README instructs buyers to sign up for personal access or contact sales for enterprise use, with no rate card shown.; LangChain the free Developer plan of LangSmith is limited to 1 seat
  • They diverge on capability: BentoML covers Model packaging, LangChain covers Chains and agents.

Where they differ

Only the attributes on which BentoML and LangChain actually diverge.

Attributes where BentoML and LangChain differ
AttributeBentoMLLangChain
Founded20192022

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), platforms (Linux, Mac, Windows), user rating (Not yet rated), category (Machine Learning).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in BentoML

  • Model packaging
  • REST API generation
  • Adaptive batching
  • Multi-framework support
  • Container deployment
  • PyTorch
  • TensorFlow
  • scikit-learn

Only in LangChain

  • Chains and agents
  • Retrieval-augmented generation
  • Memory management
  • Tool integration
  • Prompt templates
  • OpenAI
  • Anthropic
  • Hugging Face

Both cover

  • Linux support
  • Mac support
  • Windows support

What people use each for

The jobs each tool is most often brought in to do.

BentoML

  • Machine learningnot LangChain
  • Data analysisnot LangChain
  • Model trainingnot LangChain
  • Predictive analyticsnot LangChain

LangChain

  • Building LLM applications and agents in Python or JavaScriptnot BentoML
  • Tracing and debugging LLM chains and agent runsnot BentoML
  • Evaluating prompt and model changes against datasetsnot BentoML

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

BentoML

  • Core BentoML framework is Apache 2.0 and free, but the managed BentoCloud enterprise tier has no published pricing: the README instructs buyers to sign up for personal access or contact sales for enterprise use, with no rate card shown.

LangChain

  • The free Developer plan of LangSmith is limited to 1 seat
  • Base traces are retained for 14 days only; 400 day retention costs extra
  • Included traces are capped at 5,000 per month on Developer and 10,000 per month on Plus, with everything beyond billed pay as you go
  • Self hosted and hybrid deployment of LangSmith is Enterprise only
  • Custom SSO, RBAC and ABAC are Enterprise only
  • A support SLA is Enterprise only
  • Enterprise pricing is by quote with no published rate

Pricing, plan by plan

BentoML

Free
  • Open SourceFree
    • Model packaging
    • API creation
    • Local serving
  • BentoCloudFree
    • Managed deployment
    • Auto-scaling
    • Monitoring

LangChain

Free
  • Open SourceFree
    • Full framework
    • Community support
  • LangSmith$39/month
    • Debugging
    • Monitoring
    • Testing

Which should you pick?

Choose BentoML if

  • You need model packaging.
  • You want to start without paying.
  • You work on Linux, Mac, Windows.
  • You also want rest api generation.
BentoML review

Choose LangChain if

  • You need chains and agents.
  • You want to start without paying.
  • You work on Linux, Mac, Windows.
  • You also want retrieval-augmented generation.
LangChain review

Questions people ask

Is BentoML or LangChain better?
Neither clearly leads. BentoML starts at Free and LangChain at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BentoML or LangChain?
BentoML starts at Free and LangChain at Free.
Does BentoML or LangChain run on more platforms?
Both run on Linux, Mac, Windows, so platform support will not decide this one for you.
Can I use BentoML for free?
Both have a free tier, so you can try either at no cost before committing.
What is BentoML best used for?
BentoML is most often used for machine learning, data analysis, model training, predictive analytics. Of those, machine learning and data analysis are not what LangChain is typically brought in for.
What can BentoML do that LangChain cannot?
BentoML covers Model packaging, REST API generation, Adaptive batching, Multi-framework support. LangChain covers Chains and agents, Retrieval-augmented generation, Memory management, Tool integration. Both handle Linux support, Mac support, Windows support.

Answered from the vendors’ own pages

BentoML: Is BentoML free for commercial use?

BentoML is open source and available on GitHub at no cost. The page does not restrict commercial use of the open-source version.

Source
LangChain: Does LangChain charge for its services?

LangChain's main website does not display pricing. However, LangSmith (a related platform) offers both free and paid plans. Visit the dedicated pricing page or contact LangChain for details.

Source
BentoML: What does the managed Bento Inference Platform cost?

The page references a 'Pricing' link to https://www.modular.com/pricing but does not include actual pricing details. Bento Cloud is mentioned as a managed service offering with access to GPU hardware (Nvidia H100, MI300X, B200, AMD GPUs), but costs are not disclosed.

Source
LangChain: How can I learn about LangChain pricing?

Click on the Pricing link in navigation or use the Try LangSmith or Get a demo options to explore pricing for LangChain's commercial offerings.

Source
BentoML: Can I host BentoML myself or do I have to use their managed service?

The page mentions 'Bring Your Own Cloud' deployment as an option for Bento Inference Platform, in addition to Bento Cloud (their managed offering). However, specific details about self-hosting, costs, or features of each deployment model are not provided.

Source
BentoML: Is paid support available for BentoML?

The page includes 'Talk to our engineers' and 'Book a Demo' buttons but does not explicitly disclose whether paid support or consulting services are available.

Source
Share

Related pages

More on BentoML

More on LangChain

Keep looking

Other head to heads