LiteLLM vs CometAPI vs OpenRouter vs Defapi

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

Your tool
LiteLLM
vs
Competitor 1
CometAPI
Competitor 2
OpenRouter
Competitor 3
DDefapi
Compare
4 tools · best value per row highlighted
Your tool LiteLLM
litellm.ai
LiteLLM is an open-source AI gateway and LLM proxy that puts more than 140 providers and 1,800 models behind one OpenAI-compatible API key.
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
Competitor OpenRouter
openrouter.ai
Every model, one endpoint
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
Traffic estimated monthly website traffic
Monthly visits
—
302.3Kvisits/mo
22Mvisits/mo
2.4Kvisits/mo
MoM change
—
▲ 9.9%
▲ 14.6%
▼ 42.6%
6-month growth
—
-16.5%
+39.6%
-86.2%
Global rank web
—
#157,147
#2,023
#4,650,820
Avg. last 3 months
—
295.7K
19.5M
4.8K
Bounce rate lower is better
—
46%
32%
36%
Pages / visit
—
2.9
7.7
1.4
Visit duration
—
38s
6m 13s
7s
Traffic sources
—
● Direct 69% · ● Referral 30%
● Direct 89% · ● Referral 10%
—
LiteLLMCometAPIOpenRouterDefapi
05.5M11M16.5M22MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4K1K10K100K1M10M100MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Paid
Starting price
Free
$4per month · free tier available
Free tier
—
Free tier
–
Free trial
–
–
API access
Plans
Open Source FreeEnterprise Custom
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
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
Capabilities input → output
Input
Text
TextImages
AudioVideoTextImages
TextImagesAudio
Output
TextData
VideoTextImages
VideoTextImagesAudio
AudioTextImages
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI API
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI API
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
6
5
4
APIs
LLM gateway
–
API integrations
–
–
API management
–
–
Developer tools
–
–
LLM management
–
–
–
Large language models
–
–
–
Self hosted
–
–
–
API security
–
–
–
Development
–
–
–
Image generation
–
–
–
LLM comparison
–
–
–
MCP
–
–
–
Video generation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
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.