GitHub Copilot CLI vs MostlyAI vs OpenCode vs Google Antigravity

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

Your tool
GitHub Copilot CLI
vs
Competitor 1
MostlyAI
Competitor 2
OpenCode
Competitor 3
Google Antigravity
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
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Competitor MostlyAI
mostly.ai
Make main 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 Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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43.5Kvisits/mo
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14Mvisits/mo
MoM change
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▼ 22.5%
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▼ 3.1%
6-month growth
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-35.7%
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-31.9%
Global rank web
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#791,007
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Avg. last 3 months
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55.6K
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15.4M
Bounce rate lower is better
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39%
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48%
Pages / visit
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1.8
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2.2
Visit duration
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22s
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3m 35s
Traffic sources
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● Direct 58% · ● Referral 42%
GitHub Copilot CLIMostlyAIOpenCodeGoogle Antigravity
05.4M10.8M16.2M21.6MMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KGoogle Antigravity · 12.1MGoogle Antigravity · 15.1MGoogle Antigravity · 15.9MGoogle Antigravity · 21.6MGoogle Antigravity · 20.5MGoogle Antigravity · 16.4MGoogle Antigravity · 21.5MGoogle Antigravity · 17.9MGoogle Antigravity · 14.4MGoogle Antigravity · 14M10K100K1M10M100MMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KGoogle Antigravity · 12.1MGoogle Antigravity · 15.1MGoogle Antigravity · 15.9MGoogle Antigravity · 21.6MGoogle Antigravity · 20.5MGoogle Antigravity · 16.4MGoogle Antigravity · 21.5MGoogle Antigravity · 17.9MGoogle Antigravity · 14.4MGoogle Antigravity · 14MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Free
Free
Free
Starting price
Free
Free
Free
Free
Free tier
Free trial
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API access
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Plans
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Capabilities input → output
Input
CodeText
DataText
CodeText
CodeText
Output
Code
Data
Code
AppsCode
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeResearch & AnalyticsAI Developer ToolsAI For Data Analytics
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
6
6
9
Developer tools
Coding
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Agents
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Development
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Synthetic data
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Agent creation
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Agent management
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Code autocompletion
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Data analysis
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GitHub pull requests
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Terminal
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Data anonymization
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Data privacy compliance
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Data science
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Frontend development
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GitHub management
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Local AI
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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▲ 1
Saves
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Reviews
0
0
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0
Prompts
0
0
0
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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.