GitHub Copilot vs OpenCode vs Stack AI 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
OpenCode
Competitor 2
Stack AI
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 OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
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
—
6.3Kvisits/mo
131.2Kvisits/mo
MoM change
▲ 3.7%
—
▼ 57.9%
▼ 22.7%
6-month growth
+19.3%
—
-93.7%
-53.5%
Global rank web
#49
—
#1,700,092
#283,229
Avg. last 3 months
629.7M
—
13.9K
164.1K
Bounce rate lower is better
36%
—
39%
46%
Pages / visit
5.9
—
1.8
1.7
Visit duration
6m 26s
—
14s
28s
Traffic sources
● Direct 83% · ● Referral 15%
—
—
● Direct 82% · ● Referral 17%
GitHub CopilotOpenCodeStack AITabnine
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 · 637.9MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KTabnine · 359.1KTabnine · 311.6KTabnine · 301.4KTabnine · 275.9KTabnine · 281.9KTabnine · 248KTabnine · 241.5KTabnine · 191.4KTabnine · 169.7KTabnine · 131.2K1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KTabnine · 359.1KTabnine · 311.6KTabnine · 301.4KTabnine · 275.9KTabnine · 281.9KTabnine · 248KTabnine · 241.5KTabnine · 191.4KTabnine · 169.7KTabnine · 131.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
$4per month · free tier available
Free
Free tier
$39per month
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
Free FreeTeam $4/moEnterprise $21/mo
—
—
Code Assistant $39/moAgentic Platform $59/mo
Capabilities input → output
Input
CodeText
CodeText
DataDocumentsText
CodeText
Output
Code
Code
Apps
Code
Skill level
Intermediate
Advanced
Intermediate
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
2
7
2
Coding
–
Agents
–
–
Code autocompletion
–
–
–
No-code
–
–
–
Workflows
–
–
–
Agent creation
–
–
–
Business automation
–
–
–
Code reviews
–
–
–
Developer assistance
–
–
–
Process automation
–
–
–
Agent management
–
–
–
Finance workflow automation
–
–
–
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
–
–
–
–

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.