OpenAI API vs Pi vs OpenAI Codex

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

Your tool
OpenAI API
vs
Competitor 1
Pi
Competitor 2
OpenAI Codex
Competitor 3
Suggested competitors for OpenAI API: Anthropic Claude API90% OpenRouter86% Mistral AI85% DeepSeek80% Azure AI Foundry80% Cohere80% Amazon Bedrock80% Together AI78%
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3 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
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Competitor Pi
pi.ai
An AI that's genuinely pleasant to talk with
Make main Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
473.9Kvisits/mo
204.3Mvisits/mo
MoM change
▲ 4.6%
▼ 9.4%
▲ 3.6%
6-month growth
-2.4%
-16.4%
+0.3%
Global rank web
—
#87,743
#212
Avg. last 3 months
15.2M
512.8K
197.3M
Bounce rate lower is better
34%
33%
58%
Pages / visit
5.4
3.7
3.0
Visit duration
3m 56s
1m 37s
2m 31s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 87% · ● Referral 9%
● Direct 81% · ● Referral 17%
OpenAI APIPiOpenAI Codex
066.6M133.2M199.7M266.3MOpenAI 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 · 15.2MPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9KOpenAI 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 · 204.3M100K1M10M100M1BOpenAI 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 · 15.2MPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9KOpenAI 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 · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Freemium
Starting price
—
Free
$20per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
—
—
—
Capabilities input → output
Input
AudioDocumentsImagesText
AudioText
CodeText
Output
AudioCodeImagesTextVideo
AudioText
Code
Skill level
Advanced
Beginner-friendly
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Chatbots & CompanionsEducation & LearningHealthcare & WellnessAI Chatbot+2 more
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
1
7
2
APIs
–
–
Chatting
–
–
Coding
–
–
Chatbots
–
–
Code reviews
–
–
Companions
–
–
Mental health
–
–
Wellness
–
–
Coaching
–
–
Therapeutic chatbot
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 1
▲ 1
Saves
0
1
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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–
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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.