OpenCode vs Documentation.AI vs GitBook vs Google Antigravity

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

Your tool
OpenCode
vs
Competitor 1
Documentation.AI
Competitor 2
GitBook
Competitor 3
Google Antigravity
Compare
4 tools · best value per row highlighted
Your tool 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.
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Competitor Documentation.AI
documentation.ai
Product teams ship docs that fall out of date the moment code changes
Make main Remove
Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
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
—
22.4Kvisits/mo
—
14Mvisits/mo
MoM change
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▲ 39.6%
—
▼ 3.1%
6-month growth
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+31.1%
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-31.9%
Global rank web
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#1,237,358
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Avg. last 3 months
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15.2K
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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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4.2
—
2.2
Visit duration
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2m 02s
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3m 35s
Traffic sources
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● Direct 97% · ● Referral 3%
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● Direct 58% · ● Referral 42%
OpenCodeDocumentation.AIGitBookGoogle Antigravity
05.4M10.8M16.2M21.6MDocumentation.AI · 24.8KDocumentation.AI · 17.1KDocumentation.AI · 92.5KDocumentation.AI · 17.1KDocumentation.AI · 10.1KDocumentation.AI · 10.7KDocumentation.AI · 7.2KDocumentation.AI · 16KDocumentation.AI · 22.4KGoogle 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 · 14M1K10K100K1M10M100MDocumentation.AI · 24.8KDocumentation.AI · 17.1KDocumentation.AI · 92.5KDocumentation.AI · 17.1KDocumentation.AI · 10.1KDocumentation.AI · 10.7KDocumentation.AI · 7.2KDocumentation.AI · 16KDocumentation.AI · 22.4KGoogle 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
Freemium
Freemium
Free
Starting price
Free
$29per month · free tier available
$65per month · free tier available
Free
Free tier
Free trial
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API access
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Plans
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Starter FreeStandard $29/moProfessional $79/moEnterprise Custom
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
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Capabilities input → output
Input
CodeText
CodeText
CodeText
CodeText
Output
Code
Documents
DocumentsText
AppsCode
Skill level
Advanced
Intermediate
Beginner-friendly
Advanced
Categories
Development & CodeAI Coding Assistant
Education & LearningProductivity & OfficeAI Documents GeneratorAI Knowledge Management
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
5
8
9
Agents
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Developer tools
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Coding
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Knowledge bases
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Code documentation
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Development
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Technical documentation
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Agent creation
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Agent management
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Changelogs
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Code autocompletion
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Knowledge
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Terminal
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API docs
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Customer support chatbot
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Digital information management
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Document creation
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Frontend development
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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
▲ 0
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
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.