OpenAI API vs GitHub Copilot vs OpenAI Codex vs Pi

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
OpenAI Codex
Competitor 3
Pi
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Competitor Pi
pi.ai
An AI that's genuinely pleasant to talk with
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
637.9Mvisits/mo
204.3Mvisits/mo
473.9Kvisits/mo
MoM change
▲ 4.6%
▲ 3.7%
▲ 3.6%
▼ 9.4%
6-month growth
-2.4%
+19.3%
+0.3%
-16.4%
Global rank web
—
#49
#212
#87,743
Avg. last 3 months
15.2M
629.7M
197.3M
512.8K
Bounce rate lower is better
34%
36%
58%
33%
Pages / visit
5.4
5.9
3.0
3.7
Visit duration
3m 56s
6m 26s
2m 31s
1m 37s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 83% · ● Referral 15%
● Direct 81% · ● Referral 17%
● Direct 87% · ● Referral 9%
OpenAI APIGitHub CopilotOpenAI CodexPi
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 · 637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9K100K1M10M100M1BOpenAI 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 · 637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Free
Starting price
—
$4per month · free tier available
$20per month · free tier available
Free
Free tier
–
Free trial
–
–
API access
–
–
–
–
Plans
—
Free FreeTeam $4/moEnterprise $21/mo
—
—
Capabilities input → output
Input
AudioDocumentsImagesText
CodeText
TextCode
AudioText
Output
AudioCodeImagesTextVideo
Code
Code
AudioText
Skill level
Advanced
Intermediate
Advanced
Beginner-friendly
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
4
4
7
Coding
–
–
Code reviews
–
–
APIs
–
–
–
Chatting
–
–
–
Agents
–
–
–
Chatbots
–
–
–
Companions
–
–
–
LLM development
–
–
–
Large language models
–
–
–
Mental health
–
–
–
Wellness
–
–
–
API integrations
–
–
–
Agent management
–
–
–
Coaching
–
–
–
Code documentation
–
–
–
Development
–
–
–
Therapeutic chatbot
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
▲ 1
Saves
0
0
0
1
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.