OpenAI API vs GitHub Copilot vs Z.ai 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
Z.ai
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 Z.ai
chat.z.ai
Z
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
10Mvisits/mo
22Mvisits/mo
MoM change
▲ 4.6%
▲ 3.7%
▼ 12.3%
▲ 14.6%
6-month growth
-2.4%
+19.3%
+44.6%
+39.6%
Global rank web
—
#49
—
#2,023
Avg. last 3 months
15.2M
629.7M
10.6M
19.5M
Bounce rate lower is better
34%
36%
25%
32%
Pages / visit
5.4
5.9
3.2
7.7
Visit duration
3m 56s
6m 26s
19m 00s
6m 13s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 83% · ● Referral 15%
● Direct 91% · ● Referral 8%
● Direct 89% · ● Referral 10%
OpenAI APIGitHub CopilotZ.aiOpenRouter
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 · 637.9MZ.ai · 4.2MZ.ai · 4.4MZ.ai · 5.4MZ.ai · 6.2MZ.ai · 6.9MZ.ai · 8.6MZ.ai · 8.5MZ.ai · 10.4MZ.ai · 11.4MZ.ai · 10MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22M1M10M100M1BOpenAI 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 · 637.9MZ.ai · 4.2MZ.ai · 4.4MZ.ai · 5.4MZ.ai · 6.2MZ.ai · 6.9MZ.ai · 8.6MZ.ai · 8.5MZ.ai · 10.4MZ.ai · 11.4MZ.ai · 10MOpenRouter · 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
Free
Freemium
Starting price
—
$4per month · free tier available
Free
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
CodeDocumentsImagesText
ImagesVideoTextAudio
Output
AudioCodeImagesTextVideo
Code
TextAppsCode
VideoTextImagesAudio
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+6 more
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
9
4
5
Large language models
–
APIs
–
–
Agents
–
–
Coding
–
–
Chatbots
–
–
–
Code autocompletion
–
–
–
LLM gateway
–
–
–
Code reviews
–
–
–
Coding in VS Code
–
–
–
Developer tools
–
–
–
LLM development
–
–
–
Vs code
–
–
–
API integrations
–
–
–
Agent management
–
–
–
Chatbot building
–
–
–
Debugging
–
–
–
Development
–
–
–
LLM comparison
–
–
–
Terminal
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
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.