Software · head to head
Windsurf vs Braintrust
Braintrust
Software
The active observability platform for agents
- From
- On request
- Rated
- -
The short version
- Only Windsurf has a free tier, so it costs nothing to try first.
- Each has a real cost: Windsurf recently rebranded to Devin Desktop, creating product identity confusion; Braintrust the free Starter tier includes only $10 of monthly model credits, 1 GB of processed data, and 10,000 scores before overage charges of $4 per GB and $2.50 per 1,000 scores apply, as of August 2026.
Where they differ
Only the attributes on which Windsurf and Braintrust actually diverge.
| Attribute | Windsurf | Braintrust |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | Unknown | usage-based |
| Free tier | Yes | No |
| Platforms | macOS, Linux, Windows | Web |
| Founded | 2021 | Unknown |
Identical on both: user rating (Not yet rated), category (Unknown).
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 Windsurf
- Cascade AI agent
- Agentic programming
- Context-aware assistance
- Automated command execution
- Multi-file understanding
- Intelligent code generation
- Real-time debugging
- Integrated terminal
Only in Braintrust
Nothing recorded that Windsurf does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
Windsurf
- Agentic developmentnot Braintrust
- AI-assisted codingnot Braintrust
- Complex project managementnot Braintrust
- Automated coding tasksnot Braintrust
- Learning new codebasesnot Braintrust
Braintrust
No use cases recorded yet. See the Braintrust review.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Braintrust
- The free Starter tier includes only $10 of monthly model credits, 1 GB of processed data, and 10,000 scores before overage charges of $4 per GB and $2.50 per 1,000 scores apply, as of August 2026.
Pricing, plan by plan
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
Braintrust
On requestNo published plan breakdown. See the Braintrust review.
Which should you pick?
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.
Choose Braintrust if
Nothing in the data separates Braintrust from Windsurf on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is Windsurf or Braintrust better?
- Neither clearly leads. Windsurf starts at Free and Braintrust at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Windsurf or Braintrust?
- Windsurf has a free tier; the other does not. Paid plans start at Free for Windsurf and On request for Braintrust.
- Does Windsurf or Braintrust run on more platforms?
- Windsurf runs on macOS, Linux, Windows. Braintrust runs on Web.
- Can I use Windsurf for free?
- Yes. Windsurf has a free tier, so you can try it without paying. Braintrust starts at On request.
- What is Windsurf best used for?
- Windsurf is most often used for agentic development, ai-assisted coding, complex project management, automated coding tasks. Of those, agentic development and ai-assisted coding are not what Braintrust is typically brought in for.
- What can Windsurf do that Braintrust cannot?
- Windsurf covers Cascade AI agent, Agentic programming, Context-aware assistance, Automated command execution.
Answered from the vendors’ own pages
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.
SourceWindsurf: 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