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Head-to-head · Software Testing Tools

Selenium vs Postman

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Selenium #2 in Software Testing Tools 9.2/10 Free plan Free plan✓ 0 of 4 features Visit Selenium
Postman #7 in Software Testing Tools 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Postman

Selenium leads on 0 checks, Postman on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSelenium · 9.2/10
  • Free planboth

Selenium scores higher on our rubric for software testing tools: 9.2 against 8.7 out of 10; our editors rank them #2 and #7.

Selenium is the better fit for teams needing a broad browser automation ecosystem. Postman is the better fit for teams testing APIs across multiple protocols.

  • Selenium fits best

    Teams needing a broad browser automation ecosystem

  • Postman fits best

    Teams testing APIs across multiple protocols

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Side by side

Feature Selenium 9.2/10 Visit ↗ Postman 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #2 in Software Testing Tools #7 in Software Testing Tools
Best for Teams needing a broad browser automation ecosystem Teams testing APIs across multiple protocols
Pricing model Free Free plan + paid
Starting price Free plan $9/mo
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted, Browser extension Cloud, Desktop, Browser extension
Platforms Web, Windows, macOS, Linux, Chrome extension Web, Windows, macOS, Linux, Chrome extension
Support Community, Docs Tickets, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Selenium 0/4 · Postman 0/4
API testing Not checked yet Not checked yet
Performance testing Not checked yet Not checked yet
Mobile testing Not checked yet Not checked yet
Test management Not checked yet Not checked yet
Specs
Deployment model Not checked yet Not checked yet
Parallel runs Not checked yet Not checked yet
Our review
Pros
  • WebDriver bindings support coded browser automation across languages.
  • Selenium Grid distributes execution across machines, browsers, and operating systems.
  • Selenium Manager automates driver and browser management.
  • Tests HTTP, GraphQL, SOAP, gRPC, WebSocket, and MQTT APIs
  • Combines scripts, scheduled runs, mocks, and CI/CD execution
  • Workspaces, documentation, and integrations support team workflows
Cons
  • Code-first authoring may not suit teams seeking a visual-first workflow.
  • Grid distribution requires teams to manage their own execution environment.
  • Support is centered on community resources and documentation.
  • Team plan starts at $19 per user per month with annual billing
  • Advanced access controls and governance are reserved for Enterprise
  • Its broad API workflow may exceed the needs of teams seeking a narrow test runner
Our verdict

Selenium is an open-source browser automation project for people building coded web tests and automating browser-based tasks. Its core is WebDriver, a language-neutral interface with bindings for multiple programming languages. Selenium…

Read the review →

Postman brings API requests, testing, documentation, and collaboration into a shared workspace. Its client supports HTTP, GraphQL, SOAP, gRPC, WebSocket, and MQTT, while collections, environments, variables, and request history help…

Read the review →
  1. SeleniumSoftware Testing Tools 9.2Free plan
  2. PostmanSoftware Testing Tools 8.7Free plan

Strengths and trade-offs

  • Selenium — where it wins

    • WebDriver bindings support coded browser automation across languages.
    • Selenium Grid distributes execution across machines, browsers, and operating systems.
    • Selenium Manager automates driver and browser management.

    Where it doesn't

    • Code-first authoring may not suit teams seeking a visual-first workflow.
    • Grid distribution requires teams to manage their own execution environment.
    • Support is centered on community resources and documentation.

  • Postman — where it wins

    • Tests HTTP, GraphQL, SOAP, gRPC, WebSocket, and MQTT APIs
    • Combines scripts, scheduled runs, mocks, and CI/CD execution
    • Workspaces, documentation, and integrations support team workflows

    Where it doesn't

    • Team plan starts at $19 per user per month with annual billing
    • Advanced access controls and governance are reserved for Enterprise
    • Its broad API workflow may exceed the needs of teams seeking a narrow test runner

More comparisons

All software testing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update