GitHub Copilot vs Greptile vs Functionize vs Tabnine

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

Your tool
GitHub Copilot
vs
Competitor 1
Greptile
Competitor 2
Functionize
Competitor 3
Tabnine
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 Greptile
greptile.com
Greptile is an AI code reviewer that builds a graph of your repository, covering files, functions and dependencies, and then sends a swarm of agents to review each pull request.
Make main 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 Tabnine
tabnine.com
AI coding with privacy built in
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
—
—
131.2Kvisits/mo
MoM change
▲ 3.7%
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—
▼ 22.7%
6-month growth
+19.3%
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-53.5%
Global rank web
#49
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#283,229
Avg. last 3 months
629.7M
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164.1K
Bounce rate lower is better
36%
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46%
Pages / visit
5.9
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—
1.7
Visit duration
6m 26s
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—
28s
Traffic sources
● Direct 83% · ● Referral 15%
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● Direct 82% · ● Referral 17%
GitHub CopilotGreptileFunctionizeTabnine
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 · 637.9MTabnine · 359.1KTabnine · 311.6KTabnine · 301.4KTabnine · 275.9KTabnine · 281.9KTabnine · 248KTabnine · 241.5KTabnine · 191.4KTabnine · 169.7KTabnine · 131.2K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MTabnine · 359.1KTabnine · 311.6KTabnine · 301.4KTabnine · 275.9KTabnine · 281.9KTabnine · 248KTabnine · 241.5KTabnine · 191.4KTabnine · 169.7KTabnine · 131.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$4per month · free tier available
$30per month · free tier available
$20per month · free tier available
$39per month
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
Starter FreePro $30/moEnterprise Custom
Free FreeGrowth $20/moScale $100/moEnterprise Custom
Code Assistant $39/moAgentic Platform $59/mo
Capabilities input → output
Input
CodeText
Code
TextWeb pages
CodeText
Output
Code
Text
Data
Code
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code Review
Development & CodeAI Testing
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
9
7
2
Agents
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Code autocompletion
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Coding
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Code reviews
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Test automation
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Testing
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Code analysis
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Code quality
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Coding in VS Code
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GitHub pull requests
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Test creation
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Test generation
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Vs code
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Agent management
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Code security analysis
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Code testing
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Code validation
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Debugging
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Developer tools
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Terminal
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Test cases
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Website testing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 2
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.