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APIs · head to head

Bruno vs Stainless

Bruno logo

Bruno

APIs

Open-source IDE for API exploration with git-friendly collections

From
Free
Rated
-
Full reviewWebsite
Stainless logo

Stainless

APIs

Generates client SDKs, API docs, and MCP servers from an OpenAPI spec

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bruno native Git integration, the feature that distinguishes it from cloud API clients, is Pro only at $6 per user per month; Stainless starter and Pro plan prices are not published and require contacting the company.
  • They diverge on capability: Bruno covers API Testing, Stainless covers SDK generation.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bruno and Stainless actually diverge.

Attributes where Bruno and Stainless differ
AttributeBrunoStainless
PlatformsWindows, MacOS, Linuxweb, api
Founded2022Unknown

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

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 Bruno

  • API Testing
  • Environment management
  • Git-friendly storage
  • GitHub
  • Git repositories
  • Local file system
  • Windows support
  • MacOS support

Only in Stainless

  • SDK generation
  • MCP server generation
  • Docs site generation
  • Webhooks and streaming support
  • Automated unit tests
  • Git integration

What people use each for

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

Bruno

  • Sending and testing HTTP requests from a local clientnot Stainless
  • Keeping API collections in Git rather than a vendor cloudnot Stainless
  • Offline API development without an accountnot Stainless
  • Importing and syncing OpenAPI specificationsnot Stainless

Stainless

  • Generating typed SDKs for a public APInot Bruno
  • Producing an MCP server from an existing OpenAPI specnot Bruno
  • Building an API documentation site alongside client librariesnot Bruno
  • Giving open-source APIs a free SDK generation pathnot Bruno

Where each one falls short

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

Bruno

  • Native Git integration, the feature that distinguishes it from cloud API clients, is Pro only at $6 per user per month
  • OpenAPI syncs are capped at 5 a month on the free tier
  • SSO, SCIM and user management require Ultimate at $11 per user per month
  • Private workspaces are a paid feature
  • Advertised prices are annual rates

Stainless

  • Starter and Pro plan prices are not published and require contacting the company.
  • The free plan caps APIs at 25 endpoints, which excludes larger production APIs.
  • Overage charges apply per SDK/endpoint/month once limits are exceeded, which can make costs unpredictable at scale.

Pricing, plan by plan

Bruno

Free
  • Open SourceFree
    • Core API Client
    • Limited Git integration
    • 2 Workspaces
  • Pro$6/month
    • Core API Client
    • Native Git integration
    • Unlimited Workspaces
  • Ultimate$11/month
    • Core API Client
    • Full Git integration
    • Unlimited Workspaces

Stainless

Free
  • FreeFree
    • Up to 5 generators (SDKs, docs, or MCP servers)
    • 5 seats
    • APIs with 25 or fewer endpoints
  • Starter$undefined/mo
    • Unlimited generators
    • Expanded seats
    • Private SDKs of any size
  • Pro$undefined/mo
    • Custom enterprise features and pricing
  • Enterprise$undefined/mo
    • Dedicated support
    • SOC 2 compliance reports
    • Purchase order/invoicing with negotiable terms

Which should you pick?

Choose Bruno if

  • You need api testing.
  • You want to start without paying.
  • You work on Windows, MacOS, Linux.
  • You also want environment management.
Bruno review

Choose Stainless if

  • You need sdk generation.
  • You want to start without paying.
  • You work on web, api.
  • You also want mcp server generation.
Stainless review

Questions people ask

Is Bruno or Stainless better?
Neither clearly leads. Bruno starts at Free and Stainless at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bruno or Stainless?
Bruno starts at Free and Stainless at Free.
Does Bruno or Stainless run on more platforms?
Bruno runs on Windows, MacOS, Linux. Stainless runs on web, api.
Can I use Bruno for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bruno best used for?
Bruno is most often used for sending and testing http requests from a local client, keeping api collections in git rather than a vendor cloud, offline api development without an account, importing and syncing openapi specifications. Of those, sending and testing http requests from a local client and keeping api collections in git rather than a vendor cloud are not what Stainless is typically brought in for.
What can Bruno do that Stainless cannot?
Bruno covers API Testing, Environment management, Git-friendly storage, GitHub. Stainless covers SDK generation, MCP server generation, Docs site generation, Webhooks and streaming support.

Answered from the vendors’ own pages

Bruno: What is included in Bruno's free tier?

The Open Source plan includes the core API client, limited Git integration, and up to 2 workspaces at no cost. A 14-day free trial of the Ultimate plan is also available without requiring a credit card.

Source
Stainless: Is there a free plan, and what are its limits?

Yes. The Free plan supports up to 5 generators, 5 seats, APIs with 25 or fewer endpoints, and 100 preview builds per month, with email support.

Source
Bruno: What is the difference between Bruno Pro and Ultimate plans?

Pro ($6/month) includes native Git integration and unlimited workspaces. Ultimate ($11/month) adds SSO/SCIM support, audit logs, 24-hour support (vs. 48-hour), and an account manager. Ultimate supports unlimited OpenAPI syncs while Pro is limited to 5 per month.

Source
Stainless: Who owns the generated SDK code?

The generated SDK code is owned by the customer and published by Stainless under the Apache 2.0 license.

Source
Bruno: How much does Bruno Pro save compared to other API tools?

The vendor claims Ultimate saves teams more than 70% versus Postman, though this comparison is promotional rather than a specific cost metric.

Source
Stainless: What happens if I exceed my plan's endpoint limit?

Customers exceeding their endpoint limits are billed per SDK, per endpoint, per month for the overage.

Source
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