OpenCode vs OpenAI Codex vs CometAPI 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
OpenAI Codex
OpenAI Codex
Competitor 2
CometAPI
CometAPI
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
CometAPI
CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Competitor
Google Antigravity
Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Traffic estimated monthly website traffic
Monthly visits
—
204.3Mvisits/mo
302.3Kvisits/mo
14Mvisits/mo
MoM change
—
▲ 3.6%
▲ 9.9%
▼ 3.1%
6-month growth
—
+0.3%
-16.5%
-31.9%
Global rank web
—
#212
#157,147
—
Avg. last 3 months
—
197.3M
295.7K
15.4M
Bounce rate lower is better
—
58%
46%
48%
Pages / visit
—
3.0
2.9
2.2
Visit duration
—
2m 31s
38s
3m 35s
Traffic sources
—
● Direct 81% · ● Referral 17%
● Direct 69% · ● Referral 30%
● Direct 58% · ● Referral 42%
OpenCodeOpenAI CodexCometAPIGoogle Antigravity
Pricing
Model
Free
Freemium
Freemium
Free
Starting price
Free
$20per month · free tier available
$4per month · free tier available
Free
Free tier
Free trial
–
–
–
API access
–
–
–
Plans
—
—
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
—
Capabilities input → output
Input
CodeText
CodeText
ImagesText
CodeText
Output
Code
Code
ImagesTextVideo
AppsCode
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
6
9
6
9
Coding
–
Agents
–
Development
–
Developer tools
–
Terminal
–
–
APIs
–
–
–
LLM gateway
–
–
–
API integrations
–
–
–
Agent creation
–
–
–
Agent management
–
–
–
Code autocompletion
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Code documentation
–
–
–
Code reviews
–
–
–
Debugging
–
–
–
Frontend development
–
–
–
Image generation
–
–
–
Local AI
–
–
–
Self hosted
–
–
–
Video generation
–
–
–
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
–
–
–
–
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.