Functionize vs Selenium: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Functionize and Selenium side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Selenium leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Functionize
Enterprise AI Test Automation Platform with intelligent QA Agents that build, run, and self-heal tests.
Best for you if:
- • You want AI test automation
Selenium
Automate browsers for web testing across all major platforms
Best for you if:
- • You want a fully free tool (Functionize requires payment)
| At a Glance | ||
|---|---|---|
Starts at | Not published | Free 100% free |
Category | Testing & QA Automation | Testing & QA Automation |
Rating | 4.6/5 G2 4.6 11 reviews | 4.5/5 G2 4.5 · Capterra 4.4 117 reviews |
Free plan | No | Yes |
Watch out for | Onboarding and training services may be extra | Requires significant technical expertise to set up and maintain. |
Choose Functionize or Selenium?
Choose Functionize if
- You want AI test automation
- You want good for QA
Choose Selenium if
- You want a fully free tool (Functionize requires payment)
- You want open source
- You want wide browser support
In-Depth Analysis
Functionize
Enterprise AI Test Automation Platform with intelligent QA Agents that build, run, and self-heal tests.
However, for an AI test automation platform with intelligent QA agents, this model often indicates an expensive, enterprise-focused solution.
Watch out
Onboarding and training services may be extra
Strengths
- Pro: AI test automation
- Pro: Good for QA
- Pro: Self-healing tests
- Pro: Active development
- Pro: Good features
Weaknesses
- Con: Expensive
- Con: Learning curve
- Con: Per-test pricing
- Con: Better alternatives exist
- Con: Support varies
Key features
Selenium
Automate browsers for web testing across all major platforms
Selenium's pricing is exceptionally generous as it is completely free and open-source, offering industry-standard browser automation capabilities at no cost.
Watch out
Requires significant technical expertise to set up and maintain.
Strengths
- Pro: Open source
- Pro: Wide browser support
- Pro: Large community
Weaknesses
- Con: Complex setup
- Con: Flaky tests common
Key features
Plans and prices: Functionize vs Selenium
| Tool | Plans and prices | Source |
|---|---|---|
| Functionize |
| functionize.com/pricing read Oct 22, 2026 |
| Selenium |
| selenium.dev read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Functionize pricing and Selenium pricing.
Key Takeaways
Functionize
- Choose if you want enterprise AI Test Automation Platform with intelligent QA Agents that build, run, and self-heal tests
Selenium
- Has a free plan
What the data shows
On the data below, Selenium leads on a free plan. We do not name an overall winner for this pair.
- User ratings rest on too few reviews to rank (4.6/5 from 11 reviews for Functionize, 4.5/5 from 117 reviews for Selenium; we compare ratings only above 20 reviews on both sides).
- Only Selenium has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Functionize and Selenium compare in 2026?
On the data below, Selenium leads on a free plan. We do not name an overall winner for this pair. User ratings rest on too few reviews to rank (4.6/5 from 11 reviews for Functionize, 4.5/5 from 117 reviews for Selenium; we compare ratings only above 20 reviews on both sides). Only Selenium has a free plan.
What are Functionize and Selenium used for?
Functionize: Enterprise AI Test Automation Platform with intelligent QA Agents that build, run, and self-heal tests. Selenium: Automate browsers for web testing across all major platforms.
What does Functionize cost vs Selenium?
Functionize has no public paid-plan price on file. Selenium is free. Prices read on the vendors' pricing pages, latest check Oct 22, 2026.
What's the main difference between Functionize and Selenium?
Functionize's main strength: AI test automation. Selenium's main strength: open source.