OpenAI API vs GitHub Copilot vs Kilo Code vs OpenRouter

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

Your tool
OpenAI API
vs
Competitor 1
GitHub Copilot
Competitor 2
Kilo Code
Competitor 3
OpenRouter
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
Make main Remove
Competitor OpenRouter
openrouter.ai
Every model, one endpoint
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
637.9Mvisits/mo
1.9Kvisits/mo
22Mvisits/mo
MoM change
▲ 4.6%
▲ 3.7%
▼ 42.3%
▲ 14.6%
6-month growth
-2.4%
+19.3%
-94.4%
+39.6%
Global rank web
—
#49
#4,668,091
#2,023
Avg. last 3 months
15.2M
629.7M
10.5K
19.5M
Bounce rate lower is better
34%
36%
34%
32%
Pages / visit
5.4
5.9
2.4
7.7
Visit duration
3m 56s
6m 26s
19s
6m 13s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 83% · ● Referral 15%
—
● Direct 89% · ● Referral 10%
OpenAI APIGitHub CopilotKilo CodeOpenRouter
0159.5M318.9M478.4M637.9MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22M1K10K100K1M10M100M1BOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
—
$4per month · free tier available
$20per month · free tier available
Free tier
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
—
Free FreeTeam $4/moEnterprise $21/mo
—
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
Capabilities input → output
Input
AudioDocumentsImagesText
CodeText
TextCode
VideoTextImagesAudio
Output
AudioCodeImagesTextVideo
Code
Code
VideoTextImagesAudio
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
9
5
5
APIs
–
–
Coding
–
–
Coding in VS Code
–
–
Large language models
–
–
Vs code
–
–
Development
–
–
Code autocompletion
–
–
–
LLM gateway
–
–
–
Agents
–
–
–
Code reviews
–
–
–
Developer tools
–
–
–
LLM development
–
–
–
API integrations
–
–
–
Agent management
–
–
–
Chatbot building
–
–
–
Code analysis
–
–
–
Debugging
–
–
–
LLM comparison
–
–
–
Terminal
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
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.