Pi vs OpenAI Codex vs OpenAI API vs CoupleWork

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

Your tool
Pi
vs
Competitor 1
OpenAI Codex
Competitor 2
OpenAI API
Competitor 3
CoupleWork
Compare
4 tools · best value per row highlighted
Your tool Pi
pi.ai
An AI that's genuinely pleasant to talk with
Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
Make main Remove
Competitor CoupleWork
couplework.ai
AI therapy can't replace a real human therapist when things get serious
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
473.9Kvisits/mo
204.3Mvisits/mo
15.2Mvisits/mo
6.6Kvisits/mo
MoM change
▼ 9.4%
▲ 3.6%
▲ 4.6%
▼ 26.4%
6-month growth
-16.4%
+0.3%
-2.4%
+572.5%
Global rank web
#87,743
#212
—
#3,063,986
Avg. last 3 months
512.8K
197.3M
15.2M
8.1K
Bounce rate lower is better
33%
58%
34%
48%
Pages / visit
3.7
3.0
5.4
1.7
Visit duration
1m 37s
2m 31s
3m 56s
2m 46s
Traffic sources
● Direct 87% · ● Referral 9%
● Direct 81% · ● Referral 17%
● Direct 82% · ● Referral 15%
—
PiOpenAI CodexOpenAI APICoupleWork
066.6M133.2M199.7M266.3MPi · 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 · 204.3MOpenAI 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 · 15.2MCoupleWork · 752CoupleWork · 609CoupleWork · 736CoupleWork · 976CoupleWork · 8.7KCoupleWork · 6.2KCoupleWork · 8.7KCoupleWork · 8.9KCoupleWork · 6.6K1001K10K100K1M10M100M1BPi · 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 · 204.3MOpenAI 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 · 15.2MCoupleWork · 752CoupleWork · 609CoupleWork · 736CoupleWork · 976CoupleWork · 8.7KCoupleWork · 6.2KCoupleWork · 8.7KCoupleWork · 8.9KCoupleWork · 6.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Paid
Freemium
Starting price
Free
$20per month · free tier available
—
$30per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
–
Plans
—
—
—
—
Capabilities input → output
Input
TextAudio
CodeText
TextImagesDocumentsAudio
AudioText
Output
TextAudio
Code
VideoTextImagesCodeAudio
AudioText
Skill level
Beginner-friendly
Advanced
Advanced
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningHealthcare & WellnessAI Chatbot+2 more
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI APILarge Language Models (LLMs)
Chatbots & CompanionsEducation & LearningHealthcare & WellnessAI Coaching+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
4
4
7
Coaching
–
–
APIs
–
–
–
Chatting
–
–
–
Coding
–
–
–
Relationship advice
–
–
–
Relationship coaching
–
–
–
Chatbots
–
–
–
Companions
–
–
–
LLM development
–
–
–
Large language models
–
–
–
Marriage counseling
–
–
–
Mental health
–
–
–
Therapy advice
–
–
–
Wellness
–
–
–
API integrations
–
–
–
Code documentation
–
–
–
Code reviews
–
–
–
Development
–
–
–
Mental health therapy
–
–
–
Therapeutic chatbot
–
–
–
Virtual coaching
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 1
▲ 1
▲ 0
Saves
1
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.