OpenRouter vs Google Antigravity vs Defapi vs CometAPI

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

Your tool
OpenRouter
vs
Competitor 1
Google Antigravity
Competitor 2
DDefapi
Competitor 3
CometAPI
Compare
4 tools · best value per row highlighted
Your tool OpenRouter
openrouter.ai
Every model, one endpoint
Remove
Competitor Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Make main Remove
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Make main Remove
Competitor CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
22Mvisits/mo
14Mvisits/mo
2.4Kvisits/mo
302.3Kvisits/mo
MoM change
▲ 14.6%
▼ 3.1%
▼ 42.6%
▲ 9.9%
6-month growth
+39.6%
-31.9%
-86.2%
-16.5%
Global rank web
#2,023
—
#4,650,820
#157,147
Avg. last 3 months
19.5M
15.4M
4.8K
295.7K
Bounce rate lower is better
32%
48%
36%
46%
Pages / visit
7.7
2.2
1.4
2.9
Visit duration
6m 13s
3m 35s
7s
38s
Traffic sources
● Direct 89% · ● Referral 10%
● Direct 58% · ● Referral 42%
—
● Direct 69% · ● Referral 30%
OpenRouterGoogle AntigravityDefapiCometAPI
05.5M11M16.5M22MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MGoogle 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 · 14MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3K1K10K100K1M10M100MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MGoogle 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 · 14MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Paid
Freemium
Starting price
Free tier
Free
—
$4per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
Plans
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
—
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Capabilities input → output
Input
AudioVideoTextImages
TextCode
TextImagesAudio
TextImages
Output
VideoTextImagesAudio
CodeApps
TextImagesAudio
VideoTextImages
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI API
Development & CodeAI API
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
8
4
6
APIs
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LLM gateway
–
–
API integrations
–
–
Development
–
–
Developer tools
–
–
Agents
–
–
–
Coding
–
–
–
API management
–
–
–
Agent creation
–
–
–
Agent management
–
–
–
Large language models
–
–
–
Terminal
–
–
–
API security
–
–
–
Frontend development
–
–
–
Image generation
–
–
–
LLM comparison
–
–
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Video generation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
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.