Functionize vs GitHub Copilot vs Zed vs Atai - Automated Testing AI

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Functionize
vs
Competitor 1
GitHub Copilot
Competitor 2
Zed
Competitor 3
Atai - Automated Testing AI
Compare
4 tools · best value per row highlighted
Your tool Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor Zed
zed.dev
Speed meets intelligence
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Competitor Atai - Automated Testing AI
automatedtesting.ai
Atai uses Vision AI to generate automated test cases for web applications by interpreting natural language prompts
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Traffic estimated monthly website traffic
Monthly visits
—
637.9Mvisits/mo
1.2Mvisits/mo
—
MoM change
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▲ 3.7%
▼ 18.1%
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6-month growth
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+19.3%
+26.6%
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Global rank web
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#49
#47,672
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Avg. last 3 months
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629.7M
1.5M
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Bounce rate lower is better
—
36%
42%
0%
Pages / visit
—
5.9
2.8
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Visit duration
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6m 26s
1m 56s
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Traffic sources
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● Direct 83% · ● Referral 15%
● Direct 80% · ● Referral 18%
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FunctionizeGitHub CopilotZedAtai - Automated Testing AI
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MZed · 1.1MZed · 966.1KZed · 1.1MZed · 936.1KZed · 1.4MZed · 1.4MZed · 1.8MZed · 1.4MZed · 1.2M100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MZed · 1.1MZed · 966.1KZed · 1.1MZed · 936.1KZed · 1.4MZed · 1.4MZed · 1.8MZed · 1.4MZed · 1.2MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
Free Trial
Starting price
$20per month · free tier available
$4per month · free tier available
Free tier
$19per month
Free tier
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Free trial
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API access
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–
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Plans
Free FreeGrowth $20/moScale $100/moEnterprise Custom
Free FreeTeam $4/moEnterprise $21/mo
Personal FreePro $10/moBusiness $30/mo
Download For Life $99/one-timeCloud Subscription $19/mo
Capabilities input → output
Input
TextWeb pages
CodeText
CodeText
TextWeb pages
Output
Data
Code
Code
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeAI Testing
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
9
5
10
Agents
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Code autocompletion
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Coding
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Test automation
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Testing
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Test creation
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Test generation
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Test cases
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Debugging
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Website testing
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Browser testing
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Code reviews
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–
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Coding in VS Code
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–
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Development
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–
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UI testing
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–
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Vs code
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Agent management
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Git commands
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Terminal
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–
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Test management
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
0
Verified listing
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–
–
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.