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Machine Learning · head to head

Weights & Biases vs Windsurf

Weights & Biases logo

Weights & Biases

Machine Learning

Developer tools for machine learning

From
Free
Rated
-
Full reviewWebsite
Windsurf logo

Windsurf

Software Development

The agentic IDE

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Weights & Biases pricing can be prohibitive for large teams without enterprise discounts; Windsurf recently rebranded to Devin Desktop, creating product identity confusion
  • They diverge on capability: Weights & Biases covers Experiment tracking, Windsurf covers Cascade AI agent.

Where they differ

Only the attributes on which Weights & Biases and Windsurf actually diverge.

Attributes where Weights & Biases and Windsurf differ
AttributeWeights & BiasesWindsurf
PlatformsWeb, Python SDK, REST APImacOS, Linux, Windows
CategoryMachine LearningSoftware Development
Founded20172021

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated).

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 Weights & Biases

  • Experiment tracking
  • Dataset versioning
  • Model registry
  • Hyperparameter sweeps
  • Collaborative dashboards
  • PyTorch
  • TensorFlow
  • Keras

Only in Windsurf

  • Cascade AI agent
  • Agentic programming
  • Context-aware assistance
  • Automated command execution
  • Multi-file understanding
  • Intelligent code generation
  • Real-time debugging
  • Integrated terminal

What people use each for

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

Weights & Biases

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

Windsurf

  • Agentic developmentnot Weights & Biases
  • AI-assisted codingnot Weights & Biases
  • Complex project managementnot Weights & Biases
  • Automated coding tasksnot Weights & Biases
  • Learning new codebasesnot Weights & Biases

Where each one falls short

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

Weights & Biases

  • Pricing can be prohibitive for large teams without enterprise discounts
  • Limited integrations compared to some competitors
  • Dashboard customization options limited on lower plans
  • Requires some setup and configuration knowledge

Windsurf

  • Recently rebranded to Devin Desktop, creating product identity confusion
  • Cascade agent reached end-of-life on July 1, 2026, requiring migration to Devin Local
  • Free tier quota runs out quickly for active developers, within a couple days of coding
  • Pricing increased significantly in March 2026 overhaul, moving from credit-based to daily/weekly quotas
  • OpenAI acquisition raises concerns about long-term product direction diverging from Codeium's vision

Pricing, plan by plan

Weights & Biases

Free
  • FreeFree
    • 5 model seats
    • 5 GB storage
    • 1 GB/month Weave ingestion
  • Pro$60/month
    • 10 seats
    • 100 GB storage
    • Private projects
  • Teams$179/month
    • Team collaboration
    • Advanced analytics
    • Dedicated support

Windsurf

Free
  • FreeFree
    • Light daily and weekly quotas
    • Unlimited tab autocomplete
    • Access to Cascade AI agent
  • Pro$20/month
    • Standard quotas
    • Windsurf proprietary SWE model
    • Cloud sessions for background work
  • Max$200/month
    • Heavy daily quotas
    • Long agent sessions
    • Frontier third-party models
  • Teams$40/month-per-user
    • All Pro features
    • Centralized billing
    • Usage analytics

Which should you pick?

Choose Weights & Biases if

  • You need experiment tracking.
  • You want to start without paying.
  • You work on Web, Python SDK, REST API.
  • You also want dataset versioning.
Weights & Biases review

Choose Windsurf if

  • You need cascade ai agent.
  • You want to start without paying.
  • You work on macOS, Linux, Windows.
  • You also want agentic programming.
Windsurf review

Questions people ask

Is Weights & Biases or Windsurf better?
Neither clearly leads. Weights & Biases starts at Free and Windsurf at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Weights & Biases or Windsurf?
Weights & Biases starts at Free and Windsurf at Free.
Does Weights & Biases or Windsurf run on more platforms?
Weights & Biases runs on Web, Python SDK, REST API. Windsurf runs on macOS, Linux, Windows.
Can I use Weights & Biases for free?
Both have a free tier, so you can try either at no cost before committing.
What is Weights & Biases best used for?
Weights & Biases is most often used for machine learning, data analysis, model training, predictive analytics. Of those, machine learning and data analysis are not what Windsurf is typically brought in for.
What can Weights & Biases do that Windsurf cannot?
Weights & Biases covers Experiment tracking, Dataset versioning, Model registry, Hyperparameter sweeps. Windsurf covers Cascade AI agent, Agentic programming, Context-aware assistance, Automated command execution.

Answered from the vendors’ own pages

Weights & Biases: Does Weights & Biases have a free plan?

Yes. The Free tier includes 5 model seats, 5 GB storage, and 1 GB/month Weave ingestion. Academic users get unlimited tracked hours, 200 GB storage, and 100 seats at no cost.

Source
Windsurf: Does Windsurf support MCP (Model Context Protocol) integrations?

Yes. Windsurf supports MCP with integrations for 21 third-party tools for extending functionality and connecting to external systems.

Source
Weights & Biases: What are the paid plans for Weights & Biases?

Pro starts at $60/month with 10 seats and 100 GB storage. Team plans start at $179/month. Enterprise pricing is custom.

Source
Windsurf: What is Windsurf's current status as of 2026?

Windsurf rebranded to Devin Desktop in June 2026 and is backed by OpenAI after its 2025 acquisition. Cascade reached end-of-life on July 1, 2026, with Devin Local as the Rust-rewritten successor.

Source
Weights & Biases: What machine learning features does W&B provide?

Weights & Biases captures hyperparameters, metrics, and model outputs automatically. Features include experiment tracking, interactive Reports for sharing findings, Artifacts for managing datasets and models, advanced hyperparameter sweeps, and model deployment tools.

Source
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