OpenCode vs Devplan vs PRDKit vs Google Antigravity
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
OpenCode
vs
OpenCode
Competitor 1
Devplan
Devplan
Competitor 2
PRDKit
PRDKit
Competitor 3
Google Antigravity
Google AntigravityCompare
4 tools · best value per row highlighted
Your tool
OpenCode
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.
Competitor
Devplan
Devplan
devplan.com
Product development often stalls between the initial spark of an idea and the structured execution needed to build it
Competitor
PRDKit
PRDKit
prdkit.ai
Product managers spend hours crafting requirements documents that translate vision into executable specs
Competitor
Google Antigravity
Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Traffic estimated monthly website traffic
Monthly visits
—
5Kvisits/mo
—
14Mvisits/mo
MoM change
—
▼ 20.2%
▼ 30.5%
▼ 3.1%
6-month growth
—
+131.4%
—
-31.9%
Global rank web
—
#3,650,414
—
—
Avg. last 3 months
—
5.1K
318
15.4M
Bounce rate lower is better
—
43%
0%
48%
Pages / visit
—
1.8
—
2.2
Visit duration
—
12s
—
3m 35s
Traffic sources
—
—
—
● Direct 58% · ● Referral 42%
OpenCodeDevplanPRDKitGoogle Antigravity
Pricing
Model
Free
Freemium
Freemium
Free
Starting price
Free
$100per month · free tier available
$15per month · free tier available
Free
Free tier
Free trial
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–
–
–
API access
–
–
–
–
Plans
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Free FreeTeam $100/moEnterprise Custom
Free FreePremium $15/moEnterprise Contact us
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Capabilities input → output
Input
CodeText
—
ImagesTextWeb pages
CodeText
Output
Code
—
DocumentsImages
AppsCode
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
6
8
7
9
Coding
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Agents
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Product management
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Product management assistant
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Development
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Developer tools
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Prd
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–
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Prd creation
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–
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Project specifications
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–
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Agent creation
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–
–
Agent management
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–
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Code autocompletion
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–
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Project planning
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Terminal
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–
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Agile product management
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–
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Diagrams
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–
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Frontend development
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–
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Jira tickets
–
–
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Local AI
–
–
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Product development
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–
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Project management
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–
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Self hosted
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–
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Slack
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–
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UI to PRD
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.