GitHub Copilot vs Functionize vs Testim vs Windsurf

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

Your tool
GitHub Copilot
vs
Competitor 1
Functionize
Competitor 2
Testim
Competitor 3
Windsurf
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Remove
Competitor Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Make main Remove
Competitor Testim
testim.io
Testim is an automated testing platform from Tricentis for fast authoring of stable, AI-powered tests.
Make main Remove
Competitor Windsurf
windsurf.com
Windsurf, which now appears on the web as Devin Desktop, is a desktop code editor that doubles as a control room for coding agents.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
—
—
29.6Kvisits/mo
MoM change
▲ 3.7%
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▲ 7.8%
6-month growth
+19.3%
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+122.1%
Global rank web
#49
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#1,172,623
Avg. last 3 months
629.7M
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26.9K
Bounce rate lower is better
36%
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50%
Pages / visit
5.9
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—
1.3
Visit duration
6m 26s
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13s
Traffic sources
● Direct 83% · ● Referral 15%
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GitHub CopilotFunctionizeTestimWindsurf
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 · 637.9MWindsurf · 16KWindsurf · 24.3KWindsurf · 15.7KWindsurf · 13.3KWindsurf · 25.4KWindsurf · 29.3KWindsurf · 23.6KWindsurf · 27.5KWindsurf · 29.6K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MWindsurf · 16KWindsurf · 24.3KWindsurf · 15.7KWindsurf · 13.3KWindsurf · 25.4KWindsurf · 29.3KWindsurf · 23.6KWindsurf · 27.5KWindsurf · 29.6KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
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Freemium
Starting price
$4per month · free tier available
$20per month · free tier available
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$20per month · free tier available
Free tier
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Free trial
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API access
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Plans
Free FreeTeam $4/moEnterprise $21/mo
Free FreeGrowth $20/moScale $100/moEnterprise Custom
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Free FreePro $20/moMax $200/moTeams $80/mo
Capabilities input → output
Input
CodeText
TextWeb pages
Text
CodeText
Output
Code
Data
Code
Code
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Testing
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
7
11
8
Agents
Code autocompletion
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Coding
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Test automation
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Testing
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Agent management
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Test creation
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Code reviews
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Debugging
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Website testing
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UI testing
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Coding in VS Code
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Developer tools
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Salesforce
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Test generation
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Vs code
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GitHub pull requests
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No-code
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Root cause analysis
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Selenium testing
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Terminal
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Test cases
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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
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
2
0
0
0
Verified listing
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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.